Koanhinn 21X18650 Battery Case Sweat-free Power Bank Case PD with Light 18650 Battery Charging Box Removable Portable DIY Case
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Product description
- 3. Suitable for people with larger charging needs, equipped with 3 charging interface types, for , for type-C, the charging box can be .
- 2. Handmade DIY kit for mobile power supply, self-configured mobile power supply, larger battery capacity and longer service life, can solve charging problem.
- 1. Function digital display with, removable, sweat-free, with reverse polarity protection, can charge 21 18650 flat head batteries, if the built-in battery can be used as a power bank, the normal version requires a charging cable, wireless fast charging. The version does not require a charging cable and can be quickly.
- 5. Comes with a lanyard that is more convenient to carry and allows you to take it anywhere.
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