Polinovel offers customized energy storage batteries to meet different power needs. There is a 204.8V 280Ah energy storage system with four 51.2V 280Ah lithium battery modules in series. 2pcs connected in parallel to create a 114kWh system for villas, farms and barns. What's more, we have a 71kWh energy storage system with five 51.2V 280Ah lithium batteries connected in parallel to power cold weather sheds.