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KEHIPI 20PCS TP4057 1A Lithium Battery Charging Protection Board Module with Protection Micro USB Charging Boards 3.7V 4.2V TP4056 Upgraded
- 20pcs 5V 1A 18650 Lithium Battery Charging Board
- Scope of application DIY lithium battery charging; Small electrical appliance magic;Installing a charging port on a tablet computerSuitable for various types of 3.7V lithium batteries, including 18650 and composite batteries.
- TP4057 1A Lithium Battery Charging Board with ProtectionMicro USB USB C Li-ion Battery Charging Board
- Function Introduction: When the charging current drops to 100mA after reaching the final float voltage, the charging cycle will be automatically terminated When the battery voltage drops below 405V (roughly corresponding to 80% to 90% of the battery capacity), the charging cycle resumes. When the battery voltage is below 2.9V, the battery will be pre charged with a current of 100mA.
- With protection board, overvoltage protection, over discharge protection, over-current protection, over discharge protection value: 2.4V; Overcurrent protection value: 4A.
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Overview
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Specifications
1. Up to 1A Programmable Linear Charging Current
2. For single 3.7V lithium battery, full 4.2V
3. Constant current/constant voltage charging with over-temperature protection
4. Soft start to limit surge current with battery reverse protection
5. Low power standby, prolong battery life
6. Dual output of charging status, no battery and fault status display
7. Can be activated at 0V, 2.9V slip current charging
8. Operating temperature -40~80
9. Input voltage range 4.2V~6.5V
Description
TP4057 1A 3.7V Lithium Battery Charging & Discharging Board
TP4057 Charging & Discharging in One Board
Micro USB Li-ion Battery Charging Board
Constant current/constant voltage charging with over-temperature protection
Dual output of charging status, no battery and fault status display
Note:
1. The battery cannot be connected backwards, as it can easily damage the motherboard.
2. The battery terminal voltage should not exceed the product overshoot voltage.
3. Batteries cannot be connected in series, they can only be connected in parallel. The battery of parallel can be several, but not recommend too many.
Package included:
20 * TP4057 1A Lithium Battery Charging & Discharging Board with Protection
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Wispa Technologies Return Policy
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