ultra thin crediet card shape power bank 2500mAh for promotion gifts
Built-in charging cable
Customized logo,silk screen printing or offset printing
Built-in charging cable
Customized logo,silk screen printing or offset printing
Product Features:
1.Credit card power bank,slim size portable battery pack with 2500mAh capacity.
2.Elegant and beautiful appearance.
3.With advanced A-grade high-energy polymer lithium-ion battery cells.
4.Add 18 hours for iPhone movie playing time.
5.Built-in battery tester button with managing battery level and charging LED indicator.
6.With internal protection functions for short circuit, overcharge and over temperature.
7.One key combination of Power key and capacity indicator.
8.Built-in cable credit card power bank.
9.Once 10 seconds without work,the device will go to automatically power off.
10.Four levels power indication.Best credit card power bank.
Five Protection Functions:
1:Over Charge Protection
2:Over Discharge Protection
3:Short Circuit Protection
4:Stable Voltage Protection
5:Auto Identify Phone Current Protection
| Input Interface | Micro USB |
| Operating Temperature | –10°C~40°C |
| Storage Temp erature | –20°C~50°C |