You can make your own power bank with this power bank case and you can use used laptop batteries, damaged power bank batteries, or new batteries to power up your phone using this power bank case.

This product comes with a 2,1A output current board and you can replace the board.

NOTE: Battery connectors, 18650 batteries, and springs are not available with this product.

Specifications

• Battery Type: 18650 ( 4 Batteries Required)
• Capacitance: 10400mAh (please note this depend on the battery battery mAh x 4)
• Current: Output - 1.5A (can upgrade upto 2.1 with board)
• Material: Aluminium and Plastic
• Output Voltage: 5V

Colours can be change due to stock availability