Portable Imax B3AC 2S 3S 7.4V 11.1V Lithium LiPo RC Battery Balance Charger Quantity: 1pcs. Made of plastic material. Dimensions: 9cm x 5.7cm x 3.5cm . Input voltage: 110-240V AC. Maximum charge current: 1.5A (2S) 1A (3S). Charging Display: Through three LED lights, red and green. LED indicator shows: Wait: Green, Charging: Red, Full: Green, Fault: Red flashing. Easy and convenient to use.