DIY Powerbank Case
- Stock: In Stock
- Model: -
- Weight: 80.00g
Now you can customize your powerbank capacity with this powerbank case and there will be no more dead powerbank due to dead batteries. This case also allow you to charge your 18650 battery for other devices use.
Note: Micro USB charging cable is not included, you can use your own cable.
FAQ: How many times can my powerbank fully charge my device?
Formula: powerbank battery capacity * 0.8 (about 20% loss) / mobile phone battery capacity = charging times (approximately)