Wall-mounted LiFePO4 batteries feature ultra-long service life, with over 6000 charge-discharge cycles under standard conditions and a service life over 10 years, far superior to lead-acid batteries with only 300-500 cycles. It adopts maintenance-free design, no regular water refilling or electrolyte testing required, with zero corrosion and leakage to cut labor maintenance costs. Stable voltage output throughout discharge, cell balance technology slows capacity attenuation with tiny capacity loss after long-term use. It works stably between -20℃ and 60℃, delivering steady power in extreme temperatures. Slim integrated structure eliminates regular disassembly inspection. With intelligent monitoring module, users can check battery health remotely via mobile phones, easy to maintain for household PV and small commercial scenarios with lower full-lifecycle cost.