12.8V100Ah Group31 Dual Purpose LiFePO4 Battery, Built-in 200A BMS, IP66 Waterproof, and Max. 900A Marine Cranking Starting Lithium Battery, Up to 4P4S for Outboard Motors, Boat, RV, Home

✅Market First, Uniquely Dual-Powered✅ Meet the game-changer for your marine adventures – the GrenerPower 12.8V100Ah dual purpose lifepo4 battery! Designed specifically as a lithium cranking battery, it delivers 900A MCA (Marine Cranking Amps) to ignite even the toughest outboard motors instantly. It is a Group 31 battery (13.0×8.35×6.62in) with dual-terminal design, this marine starting battery powers both your motor and onboard devices like fish finders. No more swapping batteries – enjoy all-day cruising and backup power in one rugged Lifepo4 battery that outperforms lead-acid by 40% lighter weight.
✅Cylindrical Cells, Built Tougher✅ Engineered for rough seas, our 12v marine battery uses Grade-A cylindrical cells and a robust 200A BMS for superior heat dissipation and shock resistance. Safeguarded against short circuit, high temp, over discharge, over charge and over voltage, it handles 2C discharge rates – perfect for trolling motor battery demands. Outlasts bulky prismatic batteries in vibration-heavy environments.
✅Dual-Terminal Game-Changer✅ One battery, two purposes! This 12V100Ah dual purpose lithium battery combines marine starting battery strength with deep-cycle battery endurance. Its IP66 waterproof rating and Group 31 battery case fit standard battery boxes, while dual terminals let you crank your outboard motor and then run 12V loads (lights, GPS, pumps) . It weighs 25.35lbs, at 40% lighter than 12V100Ah lead-acid yet packing double the energy, it’s the ultimate MCA starting battery for longer, faster voyages.
✅Expandable Power✅ Scale up to 16 units-4 in parallel & 4 in Series (48V400Ah system) for Marine, Off-Grid Life, RVs or solar setups! This 12 volt 100Ah LiFePO4 battery delivers 1280Wh/2560W to run trolling motors, anchors, and boat lights, or power solar off-grid homes. Versatile and rugged, it’s your all-in-one outboard motor battery and energy hub.
✅Pro Tips for Peak Performance✅ Note: ① Not for car starting/golf carts. ‼️② Use a 14.6V20A lithium charger or solar system to fully charge it before using. ③ Operate safely: Charge 32–113°F, Discharge -4–140°F (cell ≤176°F). ④ Activate your 5-year warranty by registering online! Need help? Contact us for expert support on your 900A MCA marine cranking battery setup.