5Pcs 5V 2.1A Power Bank Charger Module 3 USB Charging Port Mobile Circuit Board DIY USB Power Bank Board
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Product description
- 3 USB CHARGING PORT-- Power bank charger module is designed with 3 USB charging port, can 3 mobile phones at the same time
- HIGH CONVERSION RATE-- Using dual IC control, synchronous rectification, conversion rate up to 90%
- HIGH QUALITY-- Power bank circuit board adopts high quality inductors and dual tube rectifiers, with stable performance, durable in use.
- MULTI-PROTECTION FUNCTION-- The Module has many protection functions, such as over discharge, over charge, and overload protection circuit functions, safe to use.
- AUTOMATIC IDENTIFICATION-- Power bank module can automatically identify the output current of 5V1A or 2A according to the device, suitable for 3.7 4.2V rechargeable lithium batteries, such as mobile phone batteries, 18650 batteries, etc.
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