Main Features: ● Charge 18650 batteries: Support charging 18650 Li-ion battery. Besides, it can be used as a 18650 battery charger to charge other USB devices ● Standard USB interface output: Compatible with almost all kinds of phones and USB flashlight ● Safety: Built-in intelligent control over charge, over discharge, and a short circuit protection ● Energy saving: When fully charged, the charger will turn to be dormant ● Adopts imported ABS material: Lightweight and easy to carry out ● Delightful color: Six color to select (red, yellow, blue, green, gray and black) Parameters: 1. Input: 5V±0.25V, 600mA ± 50mA 2. Output: 5V±0.25V, 1000mA ± 100mA 3. Battery type: 18650 Li-ion battery (not included), support 3.6V / 3.7V Li-ion battery PS: The 18650 battery does not included.