China OEM For Solar Energy Storage/Off-Grid Systems Factory 12V200AH LiFePO4 Battery Deep Cycle Product Overview WBDP LK12.8-200B is a high-capacity lead-to-lithium replacement battery designed for off-grid solar energy storage systems. Sized 483*170*240mm with a net weight of 21kg, this 12.8V 200Ah lithium pack is equipped with built-in smart BMS. It supports over 4500 deep charge-discharge cycles at 80% DOD, delivering reliable, long-duration power for residential solar,