TOPAK A889 72V 80Ah LiFePO4 Battery delivers 81Ah capacity and 6.22kWh energy with IP67 waterproof, dustproof design for marine and off-grid applications. Built with 24S3P IFP20100140A cells, it offers 2500 cycles, 160A continuous discharge, and intelligent protection for yachts, bamboo rafts, and electric go-karts. Lightweight, durable, and fast-charging in 2 hours.More