Suitable for 3.7V lithium batteries, which can be used in mobile power supplies, electronic equipment and DIY lithium battery projects to achieve stable charging and discharging. The module size is 17×12×4.3mm, which is compact and easy to install in electronic equipment or homemade battery packs with limited space. Supports DC 5V input/output, high charging and discharging efficiency, stable current output, and protects lithium battery performance. Built-in overcharge, over-discharge, short circuit and over-current protection effectively prevents battery damage and improves safety. Modular design, clear interface, can be directly welded or connected without complicated debugging, suitable for DIY enthusiasts and maintenance personnel.
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