The Ingco FCLI2064 charger is designed to efficiently charge multiple 20V battery packs. Operating on an input voltage of 220–240V at 50/60Hz, it delivers a 20V output with a current of 4A. The charger can accommodate up to six 20V battery packs at once, charging them sequentially to ensure optimal performance and safety. It has received positive feedback from customers for its reliability and convenience in managing multiple batteries.