The goldenmate 12V 400Ah battery provides reliable, long-lasting energy storage. Its large 400Ah capacity makes it ideal for residential, recreational, off-grid and commercial solar applications that require clean, renewable energy solutions. GoldenMate LiFePO4 Batteries provide up to 15,000 cycles, depending on your actual depth of discharge (4,000 cycles at 100% DOD, 6,000 cycles at 80% DOD, 15,000 cycles at 60% DOD). This is more than 20 to 30 times the lifespan of Lead Acid batteries, which typically have 200 to 500 cycles. With an immense 5120Wh capacity proided by premium EV Grade-JGNE cylindrical cells, one 12V 400Ah battery equals 4* 12V 100Ah LiFePO4 batteries in parallel. You can have peace of mind knowing its energy is always smooth and safe and will last for 10 years to come.