Home/Travel Wall AC Multi-Functional/Universal Battery Charging.Automatically Stops When Charging is Complete.Red Light While Charging, Green When Fully Charged, Auto Stop Charging. Designed to Charge Your Batteries Quickly and Safely.Compatible Batteries: 10440, 14500, 16340, 17335, 17500, 17670, 18500, 18650.Input :AC100-240V/47-63HZ; Output: 3.7v/450mAProduct Dimensions: 3.7D x 9.5W x 3H CentimetersItem Weight: 200 Grams ss