{"product_id":"12v-300ah-bluetooth-lifepo4-battery-200a-high-output","title":"12V 300Ah High Output Bluetooth 5.0 LiFePO4 Battery","description":"\u003cdiv class=\"sapphire-product-description\" role=\"region\"\u003e\n\u003c!-- Title --\u003e\n\u003ch2 class=\"sapphire-title\"\u003e12.8V 300Ah High Output LiFePO₄ Battery with Bluetooth\u003c\/h2\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003c!-- Overview --\u003e\n\u003cp class=\"sapphire-p\"\u003e\u003cstrong\u003eMassive capacity. Serious inverter power.\u003c\/strong\u003e This high-output 300Ah LiFePO₄ battery combines an impressive \u003cstrong\u003e3840Wh of energy storage\u003c\/strong\u003e with a powerful \u003cstrong\u003e200A continuous discharge rating\u003c\/strong\u003e, making it an excellent choice for larger inverter systems, extended off-grid runtime, RVs, cabins, boats, trolling motors, and backup power systems.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eDespite storing nearly 4kWh of energy, this battery uses the same compact enclosure as our High Output 200Ah model. You get approximately \u003cstrong\u003e50% more stored energy in the same footprint\u003c\/strong\u003e—ideal for installations where battery compartment space is limited.\u003c\/p\u003e\n\u003c!-- Why You'll Love This --\u003e\n\u003ch3 class=\"sapphire-h3\"\u003eWhy You’ll Love This\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003cul class=\"sapphire-checklist\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eHuge 3840Wh Capacity:\u003c\/strong\u003e Provides longer runtime between charges for off-grid, RV, marine, and backup power systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Output 200A BMS:\u003c\/strong\u003e Supports demanding DC loads and larger inverter systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Charging:\u003c\/strong\u003e Accepts up to 100A of charging current when paired with suitable charging equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth Monitoring:\u003c\/strong\u003e View battery status, cell voltages, current, temperature, alarms, and more from your phone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Footprint:\u003c\/strong\u003e Delivers 50% more capacity than the 200Ah model without requiring a larger battery enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandable Systems:\u003c\/strong\u003e Series and parallel capable for larger-capacity and higher-voltage battery banks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- More Energy Same Footprint --\u003e\n\u003ch3 class=\"sapphire-h3\"\u003eMore Energy. Same Footprint.\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003cp class=\"sapphire-p\"\u003eThis 300Ah battery uses the same physical enclosure as our High Output 200Ah model while increasing available energy storage from 2560Wh to \u003cstrong\u003e3840Wh\u003c\/strong\u003e. That means approximately \u003cstrong\u003e50% longer runtime\u003c\/strong\u003e without requiring additional battery compartment space.\u003c\/p\u003e\n\u003ctable class=\"sapphire-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003e200Ah Model\u003c\/th\u003e\n\u003cth\u003e300Ah Model\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200Ah\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e300Ah\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStored Energy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2560Wh\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3840Wh\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Discharge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200A\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e200A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCase Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.25″ × 7.7″ × 10.75″\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e15.25″ × 7.7″ × 10.75″\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Runtime\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBaseline\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eApproximately 50% Longer\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"sapphire-callout sapphire-callout-yellow\"\u003e\n\u003cp class=\"sapphire-p\" style=\"margin: 0;\"\u003e\u003cstrong\u003eCompact Capacity Upgrade:\u003c\/strong\u003e If your existing battery compartment accommodates our High Output 200Ah battery, this 300Ah model provides substantially more energy storage without requiring a larger enclosure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- High Output Power --\u003e\n\u003ch3 class=\"sapphire-h3\"\u003eBuilt for High-Output Power Systems\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003cp class=\"sapphire-p\"\u003eThe integrated \u003cstrong\u003e200A JBD Battery Management System\u003c\/strong\u003e allows this battery to support demanding loads that can overwhelm conventional lithium batteries equipped with smaller 100A BMS units.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eAt its nominal 12.8V voltage, a 200A continuous discharge rating represents approximately \u003cstrong\u003e2560W of available DC power\u003c\/strong\u003e. This makes the battery a strong match for properly designed inverter systems in the 2000W class, as well as high-current DC equipment such as trolling motors, pumps, communications equipment, and mobile workshop loads.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eProperly sized battery cables, over-current protection, disconnects, and busbars must be used when operating high-current loads.\u003c\/p\u003e\n\u003c!-- Example Runtime --\u003e\n\u003ch3 class=\"sapphire-h3\"\u003eExample Loads and Estimated Runtime\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003cp class=\"sapphire-p\"\u003eWith 3840Wh of nominal energy storage, this battery can support light loads for several days or operate high-demand equipment for shorter periods. The following examples provide a practical idea of what a fully charged battery may deliver.\u003c\/p\u003e\n\u003ctable class=\"sapphire-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eExample Load\u003c\/th\u003e\n\u003cth\u003eTypical Consumption\u003c\/th\u003e\n\u003cth\u003eEstimated Runtime\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStarlink Mini\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~30W\u003c\/td\u003e\n\u003ctd\u003e128 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiesel Heater\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~10-20W average\u003c\/td\u003e\n\u003ctd\u003e190-240 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLED Lighting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~25W\u003c\/td\u003e\n\u003ctd\u003e154 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCPAP Machine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~40W\u003c\/td\u003e\n\u003ctd\u003e96 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e50 lb 12V Trolling Motor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10-20A at trolling speed\u003c\/td\u003e\n\u003ctd\u003e15-30 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e12-Cup Coffee Maker\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~1000W while brewing\u003c\/td\u003e\n\u003ctd\u003e20 full pots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1200W Microwave\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~1500W\u003c\/td\u003e\n\u003ctd\u003e~120 mins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"sapphire-p\"\u003e\u003cem\u003eRuntime estimates are based on typical equipment consumption and a fully charged 3840Wh battery. Actual results vary with equipment efficiency, operating speed, temperature, wiring losses, battery condition, inverter efficiency, and usage patterns. Diesel heater estimates include average operation but may vary considerably with heater size, temperature setting, fan speed, and startup frequency. Coffee estimates assume a typical 12-cup brewing cycle without extended use of the warming plate.\u003c\/em\u003e\u003c\/p\u003e\n\u003c!-- Bluetooth Monitoring --\u003e\n\u003ch3 class=\"sapphire-h3\"\u003eBluetooth Battery Monitoring\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: flex-start; margin-top: 0.5rem; margin-bottom: 1.5rem;\"\u003e\n\u003cdiv style=\"flex: 0 1 260px; max-width: 100%;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0914\/6803\/8463\/files\/Screenshot_100Ah_Loaded_Xiaxiang_JBD_520x1127px.webp?v=1770581586\" alt=\"Sapphire Battery JBD Bluetooth app showing state of charge, voltage, current, temperature, cell voltages, and battery status\" style=\"display: block; width: 260px; max-width: 100%; height: auto; border: 1px solid #0d4d8b; border-radius: 12px; box-shadow: 1px 1px 3px rgba(13, 77, 139, 0.35);\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 320px;\"\u003e\n\u003cp class=\"sapphire-p\" style=\"margin-top: 0;\"\u003eThe integrated \u003cstrong\u003eJBD Bluetooth BMS\u003c\/strong\u003e gives you real-time access to detailed battery information using a compatible mobile app. You can check the battery from your phone without installing a separate meter or opening the battery compartment.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eThe app provides much more than a basic voltage reading. It allows you to see live operating data, individual cell information, temperature readings, and any active protection conditions.\u003c\/p\u003e\n\u003cul class=\"sapphire-checklist\"\u003e\n\u003cli\u003eBattery state of charge percentage\u003c\/li\u003e\n\u003cli\u003eLive battery voltage and current\u003c\/li\u003e\n\u003cli\u003eCharge and discharge power\u003c\/li\u003e\n\u003cli\u003eIndividual cell voltages\u003c\/li\u003e\n\u003cli\u003eCell balancing status\u003c\/li\u003e\n\u003cli\u003eInternal temperature readings\u003c\/li\u003e\n\u003cli\u003eCharge and discharge status\u003c\/li\u003e\n\u003cli\u003eActive alarms and BMS protections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sapphire-callout sapphire-callout-yellow\"\u003e\n\u003cp class=\"sapphire-p\" style=\"margin: 0;\"\u003e\u003cstrong\u003eUseful for Setup and Troubleshooting:\u003c\/strong\u003e Bluetooth monitoring makes it easy to confirm charging performance, identify unexpected loads, review individual cell voltages, and understand why the BMS has activated a protection condition.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Features --\u003e\n\u003ch3 class=\"sapphire-h3\"\u003eFeatures\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003cul class=\"sapphire-checklist\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e300Ah\u003c\/strong\u003e nominal capacity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3840Wh\u003c\/strong\u003e nominal energy storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e200A\u003c\/strong\u003e maximum continuous discharge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100A\u003c\/strong\u003e maximum charge current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJBD Bluetooth BMS\u003c\/strong\u003e with mobile app monitoring\u003c\/li\u003e\n\u003cli\u003eAutomatic cell balancing\u003c\/li\u003e\n\u003cli\u003eOver-charge protection\u003c\/li\u003e\n\u003cli\u003eOver-discharge protection\u003c\/li\u003e\n\u003cli\u003eOver-current protection\u003c\/li\u003e\n\u003cli\u003eShort-circuit protection\u003c\/li\u003e\n\u003cli\u003eHigh-temperature protection\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGrade A LiFePO₄ cells\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5000+ cycle\u003c\/strong\u003e design life under suitable operating conditions\u003c\/li\u003e\n\u003cli\u003eSeries connectable up to \u003cstrong\u003e4S\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eParallel connectable up to \u003cstrong\u003e4P\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompact enclosure with dual rope carry handles\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e5-Year Limited Warranty\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Perfect For --\u003e\n\u003ch3 class=\"sapphire-h3\"\u003ePerfect For\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003cul class=\"sapphire-checklist\"\u003e\n\u003cli\u003eRVs, campers, motorhomes, and van conversions\u003c\/li\u003e\n\u003cli\u003eOff-grid cabins and tiny homes\u003c\/li\u003e\n\u003cli\u003eSolar and wind energy storage systems\u003c\/li\u003e\n\u003cli\u003eFishing boats and electric trolling motors\u003c\/li\u003e\n\u003cli\u003eMarine house battery banks\u003c\/li\u003e\n\u003cli\u003eStarlink Mini and remote communications equipment\u003c\/li\u003e\n\u003cli\u003eDiesel heaters and winter camping systems\u003c\/li\u003e\n\u003cli\u003eCPAP machines and overnight medical equipment\u003c\/li\u003e\n\u003cli\u003eAmateur and HAM radio stations\u003c\/li\u003e\n\u003cli\u003eService trucks, trailers, and mobile workshops\u003c\/li\u003e\n\u003cli\u003eEmergency backup and disaster preparedness\u003c\/li\u003e\n\u003cli\u003eHigh-output 12V inverter systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Charging --\u003e\n\u003ch3 class=\"sapphire-h3\"\u003eFast, Flexible Charging\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003cp class=\"sapphire-p\"\u003eThe battery supports charging currents of up to \u003cstrong\u003e100A\u003c\/strong\u003e, allowing it to recharge quickly when paired with a suitable lithium-compatible charger, solar charge controller, alternator charger, or inverter\/charger.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eA lower charging current may be used whenever rapid charging is unnecessary. Charging at 50A, for example, places less demand on generators, shore-power connections, alternators, and charging equipment while still providing practical recharge times.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eFor best results, use charging equipment with a dedicated or programmable LiFePO₄ charging profile. Lead-acid equalization and desulfation modes should be disabled.\u003c\/p\u003e\n\u003c!-- Series Parallel --\u003e\n\u003ch3 class=\"sapphire-h3\"\u003eExpandable Battery Banks\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003cp class=\"sapphire-p\"\u003eThis battery can be used individually or combined with matching batteries for larger systems. Up to four batteries may be connected in series to build a higher-voltage bank, and up to four batteries may be connected in parallel for additional capacity.\u003c\/p\u003e\n\u003cul class=\"sapphire-checklist\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Series Configuration:\u003c\/strong\u003e 4 batteries for a 51.2V nominal battery bank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Parallel Configuration:\u003c\/strong\u003e 4 batteries for up to 1200Ah at 12.8V nominal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Combined Configuration:\u003c\/strong\u003e Up to 4S4P using 16 matching batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"sapphire-p\"\u003eBatteries should be the same model, capacity, age, and state of charge before they are connected. Each battery should be individually charged and verified before assembling a series or parallel bank.\u003c\/p\u003e\n\u003c!-- Specifications --\u003e\n\u003ch3 class=\"sapphire-h3\"\u003eSpecifications\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003ctable class=\"sapphire-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eChemistry\u003c\/th\u003e\n\u003ctd\u003eLiFePO₄ (Lithium Iron Phosphate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal Voltage\u003c\/th\u003e\n\u003ctd\u003e12.8V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacity\u003c\/th\u003e\n\u003ctd\u003e300Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal Energy\u003c\/th\u003e\n\u003ctd\u003e3840Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery Management System\u003c\/th\u003e\n\u003ctd\u003e200A JBD Bluetooth BMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Continuous Discharge\u003c\/th\u003e\n\u003ctd\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Charge Current\u003c\/th\u003e\n\u003ctd\u003e100A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBluetooth\u003c\/th\u003e\n\u003ctd\u003eJBD Bluetooth monitoring for compatible iOS and Android devices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCell Balancing\u003c\/th\u003e\n\u003ctd\u003eAutomatic BMS-controlled balancing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCycle Life\u003c\/th\u003e\n\u003ctd\u003e5000+ cycles under suitable operating conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions (L × W × H)\u003c\/th\u003e\n\u003ctd\u003e15.25″ × 7.7″ × 10.75″\u003cbr\u003e385mm × 192mm × 260mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e56lbs (25.4kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminals\u003c\/th\u003e\n\u003ctd\u003eM8 bolts included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHandles\u003c\/th\u003e\n\u003ctd\u003eDual rope carry handles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries Connection\u003c\/th\u003e\n\u003ctd\u003eMaximum 4S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eParallel Connection\u003c\/th\u003e\n\u003ctd\u003eMaximum 4P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Combined Configuration\u003c\/th\u003e\n\u003ctd\u003e4S4P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e5-Year Limited Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"sapphire-p\"\u003e\u003cem\u003eSpecifications are provided for general reference and may be updated as components or production revisions change. Always confirm critical dimensions, charging settings, and installation requirements before completing a system design.\u003c\/em\u003e\u003c\/p\u003e\n\u003c!-- FAQ --\u003e\n\u003ch3 class=\"sapphire-section-title\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003cdiv class=\"sapphire-faq\"\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eCan this battery power a large inverter?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eYes. The integrated 200A BMS supports up to 200A of continuous discharge. At the battery’s nominal 12.8V voltage, this represents approximately 2560W of continuous DC power before wiring and inverter losses.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eThis makes the battery a strong match for many properly designed inverter systems in the 2000W class. The inverter’s surge requirements, efficiency, low-voltage cutoff, battery cable size, cable length, fuse rating, and terminal connections must all be considered when designing the system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eHow long will this battery run my equipment?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eRuntime depends on the equipment’s actual power consumption. A fully charged battery stores 3840Wh of nominal energy. As a basic example, a steady 30W DC load could theoretically operate for approximately 128 hours.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eAC equipment powered through an inverter will run for less time because the inverter consumes some of the available energy. Temperature, wiring losses, battery condition, equipment duty cycle, and the BMS cutoff point will also affect real-world runtime.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eHow many pots of coffee can it brew?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eA typical 12-cup drip coffee maker uses approximately 900W to 1200W while brewing. Depending on the brewing time and inverter efficiency, this battery can provide enough energy for approximately \u003cstrong\u003e20 full pots of coffee\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eLeaving the coffee maker’s warming plate on after brewing can consume substantially more energy. Turning the warming plate off and transferring the coffee to an insulated carafe will improve battery runtime.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eIs this suitable for a trolling motor?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eYes. Its 300Ah capacity and 200A continuous discharge rating make it well suited for many 12V trolling motors, including common 50 lb thrust models.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eA 50 lb trolling motor drawing approximately 25A at a moderate operating speed may run for roughly 12 hours. Runtime will be shorter at maximum speed and longer at lower speeds because trolling motor current draw changes substantially with the selected speed and operating conditions.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eAlways confirm the trolling motor’s voltage and maximum current requirements. A properly sized marine-rated fuse or circuit breaker should be installed close to the battery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eCan it be used as a marine house battery?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eYes. This battery is a strong option for fishing boats, recreational boats, and marine house-power systems operating navigation electronics, lighting, pumps, communications equipment, refrigeration, and other onboard DC loads.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eThe installation should use appropriately sized marine cable, secure terminal connections, suitable over-current protection, and a battery enclosure or mounting system that prevents movement. The battery should not be submerged or installed where standing water can accumulate around the terminals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eDoes it include Bluetooth monitoring?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eYes. The integrated JBD Bluetooth BMS communicates with a compatible mobile app and provides access to state of charge, voltage, current, individual cell voltages, temperatures, balancing status, and protection alarms.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eBluetooth monitoring is especially useful during system commissioning because it allows you to confirm that the battery is charging and discharging as expected.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eCan I connect multiple batteries together?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eYes. Up to four matching batteries may be connected in series, and up to four may be connected in parallel. This permits battery-bank configurations as large as 4S4P when properly designed.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eAll connected batteries should be the same model, age, capacity, and state of charge. Each battery should be fully charged and checked individually before making the final series or parallel connections.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eParallel banks should use balanced cable routing so each battery shares the load and charging current as evenly as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eCan I mix this battery with a different battery?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eMixing different battery models, capacities, chemistries, ages, or BMS ratings in the same series or parallel bank is not recommended. Differences between batteries can cause uneven charging, uneven current sharing, reduced usable capacity, or premature BMS protection events.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eFor an expandable system, use matching 12V 300Ah High Output batteries purchased as close together as practical.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eCan this battery be charged from solar panels?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eYes. It can be charged using a lithium-compatible MPPT or PWM solar charge controller. For larger solar arrays, an MPPT controller is generally preferred because it provides greater design flexibility and more efficient energy harvesting.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eThe charge controller must be configured for LiFePO₄ batteries, and its maximum output must not exceed the battery’s 100A charging limit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eCan I charge it from a vehicle alternator?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eYes, but a suitable DC-to-DC battery charger is normally recommended. LiFePO₄ batteries can draw substantial current from an alternator, particularly when the battery is at a low state of charge.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eA DC-to-DC charger limits the charging current, provides the correct lithium charging profile, and helps protect the vehicle’s alternator and wiring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eCan I use my existing lead-acid charger?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eSome lead-acid chargers may work, but a dedicated or programmable LiFePO₄ charger is strongly preferred. The charger must not use automatic equalization, desulfation pulses, or charging voltages outside the battery’s permitted range.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eUsing a suitable lithium charging profile provides more predictable charging and helps ensure the battery reaches a proper state of charge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eCan it replace an AGM or flooded lead-acid battery bank?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eIn many systems, yes. A 300Ah LiFePO₄ battery provides substantially more usable energy than a similarly rated lead-acid battery bank because lithium batteries can normally be discharged much deeper without the same rapid reduction in cycle life.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eLiFePO₄ batteries are also lighter, charge more efficiently, maintain a more stable voltage under load, and do not require watering or equalization. Existing chargers, alternator charging systems, battery monitors, and low-voltage settings should be checked for lithium compatibility before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eCan this battery be installed inside an RV, cabin, or boat?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eYes. LiFePO₄ batteries do not normally release hydrogen gas during charging and do not require watering or other routine maintenance associated with flooded lead-acid batteries.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eThe battery should still be mounted securely in a dry location with protection from physical damage, conductive debris, excessive heat, and water. Adequate working space should be provided around the terminals and protective devices.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eWhat size battery cables should I use?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eBattery cable size depends on maximum current, cable length, installation method, allowable voltage drop, insulation temperature rating, and applicable electrical standards. A system operating near the battery’s 200A continuous limit requires substantially larger cable than a low-current solar or communications installation.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eThe fuse protects the wiring, so its rating must be selected for the installed cable and equipment—not simply matched to the battery’s maximum BMS rating.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eFor assistance selecting suitable cable and protection, visit our \u003ca href=\"https:\/\/sapphirebattery.ca\/pages\/contact\" class=\"sapphire-cta\" rel=\"noopener\" target=\"_blank\"\u003eContact Us\u003c\/a\u003e page.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eDoes the BMS replace a fuse or circuit breaker?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eNo. The internal BMS protects the battery cells and may disconnect the battery during an abnormal condition, but it does not replace properly sized external over-current protection.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eA suitable fuse or DC-rated circuit breaker should be installed close to the positive battery terminal. Each connected circuit must also be protected according to its wire size and equipment requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eWhat warranty does this battery include?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp class=\"sapphire-p\"\u003eThis battery includes a \u003cstrong\u003e5-Year Limited Warranty\u003c\/strong\u003e covering qualifying defects in materials and workmanship under normal operating conditions.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eCorrect charging equipment, suitable wiring, external over-current protection, secure mounting, and operation within the battery’s stated limits are important for safe performance and warranty coverage.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eQuestions about compatibility with an inverter, charger, trolling motor, or solar system can be submitted through our \u003ca href=\"https:\/\/sapphirebattery.ca\/pages\/contact\" class=\"sapphire-cta\" rel=\"noopener\" target=\"_blank\"\u003eContact Us\u003c\/a\u003e page.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sapphire Energy","offers":[{"title":"Default Title","offer_id":54847945310527,"sku":"12V300BTX","price":949.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/6803\/8463\/files\/12V300BT_white_bg_1600px_1.webp?v=1751751126","url":"https:\/\/sapphirebattery.ca\/products\/12v-300ah-bluetooth-lifepo4-battery-200a-high-output","provider":"Sapphire Energy","version":"1.0","type":"link"}