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AJMRTC 5Pcs TP4057 Type-C USB 1A 3.7V Lithium Ion Battery Charging Module Board, 4.2V CC/CV Charge with Overcharge Overcurrent Short Circuit Protection for 18650 Li-Po Battery DIY Project
- - Type-C 5V input, constant current constant voltage 1A charging for single 3.7V lithium battery, cut-off at 4.2V
- - Built-in multi-protection circuit: overcharge, over-discharge, overcurrent and short-circuit safeguard
- - Based on TP4057 charging IC, stable linear charging, thermal regulation to avoid overheating
- - Plug and play, indicator lights show charging and fully charged status, easy to install
- - Compact PCB board, widely used for 18650, polymer lithium battery and electronic DIY projects
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Overview
Specs
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AJMRTC TP4057 charging module provides reliable CC/CV charging for single-cell 3.7V lithium batteries. It adopts Type-C port for convenient power supply from USB adapters, power banks and laptop USB ports. Integrated protection circuit prevents battery damage caused by abnormal current or voltage. It is a practical charging solution for small electronics, wearable devices, sensor power packs and battery DIY builds.
Specifications
- Brand: AJMRTC
- Chip: TP4057
- Input: 5V USB Type-C
- Charge Current: 1A
- Battery: Single 3.7V Li-ion / Li-Po, stop at 4.2V
- Protection: Overcharge, overdischarge, overcurrent, short circuit
- Indicator: Charge / full LED indicator
- Application: 18650 battery, lithium polymer battery, electronic DIY
- Quantity: 5pcs
- Package: 5 x TP4057 Lithium Charging Boards
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: non-replaceable
- This item is covered by ConnectFlow USA Return Policy
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