Per 18650/20700/21700/26650/26700/26800/26980/46800 supporto alimentazione batteria 5V 2A #
Output:USB 5V 2A. Input: DC5V 2A. The charging current is 2A, the accuracy is 1%, and it is suitable for 3.6V/3.7V lithium battery charging. Reverse connection, the light is on. Connect the battery and press once to check the battery power.