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DIY Power Bank Module with Dual USB Output- 3.7V to 5V 2A with 18650 LiPo Charger

DIY Power Bank Module with Dual USB Output- 3.7V to 5V 2A with 18650 LiPo Charger

Sale: $1.31 $0.66
Save: 50% off
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Estimated delivery: 3-5 business days.
Description

Features:

  1. 4-level LED lamp display power, not working state intelligent automatic shutdown;
  2. The built-in lithium battery protection IC, over-current, overpressure, under-voltage protection;
  3. Dual USB output ports.
  4. Input requirements: 5V constant voltage power supply can do charge input power, the most matching charger for 5V 1A above
  5. Requirements for rechargeable batteries:
  6. Compatible Batteries: 18650 batteries, cell phone batteries, flat-panel batteries, MP3 batteries, etc. 3.7v-4.2V polymer Lithium battery.


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