Hilitand Dual Liquid Crystal Display Power Bank Charging Module USB 18650 Battery Charging Module
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Product description
- Charging indication The power bank module is equipped with an LCD screen that can display the word "IN" when charging.
- Output charging indication After connecting the charge, you can long press the LED switch to start the output. Then the module screen will display the word 'OUT' and the output voltage current 5V 1A or 5V 2.1A.
- Protective function The charging module has a built-in lithium battery circuit, capable of preventing overcharging, excessive discharge and overcharging.
- Connection Method You need to connect the positive pole of the battery to B+ and connect the negative pole of the battery to B-.
- Connect a battery to lithium The power supply module can connect a lithium battery or several lithium batteries in parallel. But the following conditions must be met capacity 20W mAh, voltage 3-4.2V
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