The TrustFire TR002 lithium charger can charge several sizes of batteries such as 10440 / 14500 / 17670 / 18650 batteries. With this charger you can save a lot of money using to buy battery. Via using the rechargeable battery and charger you make a great contribution to the environment. This battery charger is necessary for you. - Model: Trustfire TR002 - Charge rate: 4.2V 500mA - Powered by AC 100V~240V - Charges: 10440 14500 17670 18500 and 18650 batteries - Automatically stops when charging is complete - LED indicator shows current charging status