18V Li-Ion 4200Mah Smart Intelligent Dual Charger

2x 4000mAh=8000mAh power supply kit suits all RYOBI universal power platform range of tools, Garden Equipment, and Cleaning Equipment.Recharges 2 x 4000mAh battery simultaneously in 125min, or single battery in 90min in connection with RYOBI inverter Generator, RYOBI portable Power Station, and AC outlet.