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by Alibaba
20000mAh Dual USB Power Bank Case for 8 x 18650 Batteries is available for £2.95 at Alibaba.
Available at Alibaba
This DIY kit allows you to build your own 20000mAh power bank using eight 18650 batteries. The case features dual USB outputs, a clear LCD display, and supports both Type-C and Micro USB inputs for charging the power bank itself. It's an ideal solution for those who prefer to assemble their portable charging devices.
The power bank case is designed for convenience and functionality, providing a robust shell for your batteries while offering versatile charging options for your devices. Please note, this product is the case shell and DIY kit only; 18650 batteries are not included.
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