FLA-20A+ 12V/24V 20A Smart Lithium Battery Charger LCD Digital Display, Adjustable Current, Pulse Repair Charger for LiFePO4, GEL and Lead-Acid Batteries Product Overview FLA-20A+ is a high-performance, portable and intelligent battery charger designed for 12V and 24V battery systems. It is compatible with LiFePO4, GEL and lead-acid batteries, making it suitable for automotive, motorcycle, electric vehicle, boat, RV, off-grid solar and commercial fleet battery maintenance.