Wall-mounted energy storage 52.7V 220AH 11.59KWh (3.7v 220AH Lithium ion Lifepo4 Battery) The 52.7V 220Ah battery system is applicable to home energy storage,small or medium sized shopping mall energy storage, which uses 14 pieces of 3.7V 220Ah battery cells in 14s1p configuration. Built-in Seplos smart BMS support maximum of 14 packs of battery in parallel