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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 performance you can individually configure according to your choice of 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 diverse charging needs, as it supports three types of the most common charging interfaces: micro-USB and USBC-C, as well as a Lightning connector for Apple devices.

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