UPGRADED BMS AND BATTERY CELLS: The 12v 440Ah lithium battery has built-in 250A intelligent BMS with overcharge protection, overdischarge protection, overcurrent protection, and over temperature protection.IP65 waterproof rating is higher than other chemical batteries. In addition, the 12V 440Ah LiFePO4 battery uses upgraded cells with excellent quality. It can be safely used outdoors.
LONG LIFE & DEEP CYCLE: The 440Ah LiFePO4 battery can be recycled more than 10,000 times and has a service life of up to 10 years. Due to its safety and stability, our 440Ah LiFePO4 battery can completely replace traditional lead-acid batteries. It has better stability, higher energy density and lighter weight, so it performs well at high temperatures and is characterized by high power output and low self-discharge rate.
LIGHTWEIGHT & PORTABLE: Product size: Length 24.05* Width 9.7* Height 8.7 inches. The E-LekTech 12V 440Ah LiFePO4 battery weighs just 98 pounds, half the weight of a lead-acid battery, and has twice the capacity of a lead-acid battery, making it easy to move and install. Our 12V 440Ah LiFePO4 batteries provide 100% of the available capacity compared to lead-acid batteries. Both indoor and outdoor, easy to carry.
SERIES AND PARALLEL SUPPORT: E-LekTech 440Ah LiFePO4 Battery support extends to 6 series and 6 parallel circuits, supporting connection to solar panels, MTTP and inverters. Suitable for Marine, RV, RV and off-grid energy storage applications. Note that in the series parallel process, the batteries need to be fully charged separately so that they reach a voltage balance state. And be careful to use the same brand of battery.
10-YEAR WARRANTY: E-lektech offers a 10-year warranty for the 12V 440Ah LiFePO4 battery. If you encounter any problems during use, we will help you analyze the problem within 24 hours, help solve the problem, restore the battery usage, and introduce the best use method.
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