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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
Colours can be change due to stock availability
The price of Power Bank Case for 4x18650 DIY in Sri Lanka is Rs 800 at 1 shop.
37left.lk lists Power Bank Case for 4x18650 DIY prices from 1 shop in Sri Lanka on one page.
Yes, Power Bank Case for 4x18650 DIY is available in Sri Lanka at 1 shop.