Auto Range Tester LCD Mini AC/DC Digital Multimeter Voltmeter

Description:
Features:
This module is used for single-cell lithium or lithium multi-section parallel, charging ports can take power from USB.
It can be used for voltage 3.6 3.7V, etc. 18650, polymer and other lithium battery charge and discharge protection.
Charge module- Linear charging.
It has MICRO USB female.
It still retain the input voltage wiring solder joints, can be very convenient to DIY

Specifications:
Type: Voltage Regulator
Apply: 18650 Lithium Battery
Current:1A adjustable.
Charge precision:1.5%.
Input voltage:4.5V-5.5V.
Full charge voltage:4.2V.
Led indicator:red is charging Green is full charged.
Input interface:micro USB.
Work temperature: -10℃ to +85℃.
Size: 27X17mm.

Package included:
1 x 5V Micro USB 1A 18650 Lithium Battery Charging Board Charger Module

Note:
Only one 18650 batteries (6000mAh) you can charge with this charger in parallel at the same time
1. Ampere meter can only be connected to 5v input end of the module.
2. It is better that the charging current is 37% of the battery capacity. If you charge to the battery of 1000mAH, current of 400 is enough.
3. The connection wire should not be too thick.
4. Make sure the connect point is good.
5. If the input voltage is too high, like 5.2v, the current will be less than 1000mA, it is normal. It is protective function, auto-substract the charging current to avoid burn damage to chip.
6. NO Reveral polarity.    
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