12V 400Ah LiFePO4, 5200Wh Lithium Battery with 4000+ Deep Cycles & Built in 250A BMS

5.2kWh Larger Capacity | 3.2kW Higher Power: With 5.2kWh energy and max 3.2kW continuous load power (max 250A continuous charge & discharge current ), Maxampere 12V 400Ah LiFePO4 battery meets your higher power and longer battery runtime at one time.
Grade A Cells | 8× Longer Life: Maxampere LiFePO4 battery provides 4000+ deep cycles & a 10-year lifetime, extending the battery lifespan by 8× more than the lead-acid batteries.
100% Protection | Using without Risk: Maxampere 12V 400Ah lithium battery builds in 250A BMS to protect from overcharging & discharging, over current, short circuit, and over temp. Green energy, non-toxic.
5 Hours Fast Charging: 5 hours fully charged by a 14.6V 80A dedicated LiFePO4 battery charger and Within one day by a solar panel more than 1800W.
81.92 kWh Max. Energy Expansion: Maxampere 12V 400Ah supports max 4P4S connection to reach up to 81.92kWh (51.2kW), perfect for off-grid applications, like solar or energy storage system, backup power, RV, security or surveillance systems.