The **FelicitySolar 12.5kWh 48V 250ah LiFePo4** battery is a high-capacity lithium iron phosphate battery designed for residential and commercial solar systems ¹. It has a nominal voltage of **48 volts** and a capacity of **250AH** ¹. The battery pack is designed to support connected parallel mode for expansion (up to 6 pieces) ¹. The battery pack can be easily expanded by adding expansion battery packs in parallel connection ¹. The battery pack also comes with a battery management system (BMS) that monitors its operation and prevents the battery from operating outside design limitations ¹. The battery pack is designed for household and SME photovoltaic systems ¹. The battery pack has a long warranty period of **10 years**