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【4 Times Capacity & Good Value】Redodo 12V(12.8V) 400Ah LiFePO4 built-in 250A BMS with max. 3200W power and max. 5120Wh energy. Generally, 1*12V 400Ah equals 4*12V 100Ah, which can save time and cost for extra wires to expand the energy and no need to balance the voltage. Solid and practical for almost 100% of devices, power tools, and even larger appliances such as electric stoves and electric microwave ovens. PAY LESS, GAIN MORE!
【100% Reliable Performance】Redodo LiFePO4 battery is built with Grade A LiFePO4 battery cells with a UL certificate, and the new technology ensures the superior quality of the battery. 4000+ cycle times and a 10-year lifespan, even after years of use, the power is still durable and stable, and the quality is as new as before! At the same time with a powerful BMS protection, and a safety factor of 5 stars. The long-lasting power for every single use of outdoor adventures and home use.
【Giant Energy System & Up To Max. 81.92kWh】Redodo Lithium Iron Phosphate battery 12V 400Ah LiFePO4 batteries could be expanded to max. 4P4S(16* batteries, S refers to Series, P refers to Parallel) as a 51.2V 1600Ah battery system. The max. energy is 81.92kWh. The capacity is 1*400Ah=4*100Ah, while the volume is 1*400Ah≈2.5*100Ah (100Ah: L13W6.82H8.44inches; 400Ah: L20.47W10.59H8.66 inches), which helps save the space. For unexpected weather extremes, it is the first choice as a home backup power.
【Various Charging Methods】Redodo 12V 400Ah LiFePO4 battery supports recharging by solar panels, DEDICATED LiFePO4 battery charger with DC output voltage 14.2V-14.6V and electric generator (a DC-DC charger is needed). With 250A max. continuous charge/discharge current, it supports safe and fast charging. The low self-discharge rate and working perfectly with green solar make it become the first choice of safe and environmentally friendly energy to protect our earth.
【2-7 Working Days Shipping & Outstanding Service】The local warehouses enable around 2- 7 working days delivery time in the USA. With 5 years warranty, 24 hours one on one customer service, and lifetime technical support, buying Redodo batteries has no worry! We inject passion, integrity, respect, and professionalism into Redodo LiFePO4 batteries and service.