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This power bank DIY case is specially designed to work with two 3.7V polymer batteries (not included) to create a compact and powerful 20000mAh-class fast charger. It supports modern fast-charging standards through dual USB and Type-C ports and features a digital display for easy monitoring. Ideal for custom power solutions.
This power bank DIY case is specially designed to work with two 3.7V polymer batteries (not included) to create a compact and powerful 20000mAh-class fast charger. It supports modern fast-charging standards through dual USB and Type-C ports and features a digital display for easy monitoring. Ideal for custom power solutions.