ITEM NAME:Dual USB 5V 1A 2.1A Power Bank 18650 Battery Charger PCB Module Board #gib Store Home Promotion Hot Item Add to Fav.USB Output: 5V 2.1A / 5V 1A(Dual USB interface). Batteries Type: liquid lithium-ion batteries (18650). Micro USB input: 5V 1A. The circuit board is connected to the battery negative B-, B + is the positive, do not connecting reversed, connecting reversed will burn the board, the battery is connected in parallel welding, assembling battery.
