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    DIY power bank, 21×18650 li-Ion
    DIY power bank, 21×18650 li-Ion

DIY power bank for 21 18650 cells

DIY power bank whose power can be individually configured according to your chosen 18650 Li-Ion batteries. Thanks to the LCD display, you can view the current power status for easy checking of the remaining power and optimizing the charging of your device. This power bank is suitable for users with a variety of charging needs. It supports the most commonly used types of charging interfaces: USBC-C as well as the Lightning connector for Apple devices.

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