Each channel works independently, Users can choose different charging current to meet the needs of slow charge or fast charge. And the charger will display the status of each rechargeable battery when charging.
【 Multi-function 】
The 4 bay battery charger can be adjustable for different battery length. This battery charger is suitable for 3.7V Li-ion rechargeable batteries such as 16340/16650/14500/18650/18500/20700/21700/26650/17650/17670/18350/18490 Li-ion Rechargeable Battery.
Our charger comes with multiple security protection settings, the charger can effectively prevent reverse, short circuit, overcharge, over-discharge, over-current damage to the battery, which makes users using the product without any safety concern.
【Universal USB port 】
Li-ion USB Smart Battery Charger 4-Bay battery charger, 18650 battery charger operating voltage is 5V, So do not worry about high voltage to bring you harm and disaster. USB charging help travelers can charge lithium-ion batteries anytime anywhere.
Input: USB 5V Output: 4.2V Battery Chrge Rate: >80% Progress: LED indicator Weight: 73g Charger slots: 4 Slots