3.7V 18650 Li-ion Battery USB Charger Module | Single Cell Charging Board

The 3.7V 18650 Li-ion Battery USB Charger Module is a simple and cost-effective charging solution for single-cell Li-ion batteries. Whether you’re building a DIY battery pack, upgrading a robotics project, or assembling a portable power supply, this charger ensures safe and reliable charging performance.

Frequently Asked Questions (FAQs):

Q1: Can this charger be used for all 18650 batteries?
Yes, it is compatible with most 3.7V rechargeable 18650 Li-ion cells, but not with non-rechargeable batteries.

Q2: Does it support charging multiple cells at once?
No, this module is designed for single-cell charging. For multiple cells, you’ll need a dedicated BMS or charger module.

Q3: Is there any protection built into the module?
Yes, the module includes overcharge, over-discharge, and short-circuit protection to extend battery life and ensure safety.

Q4: How do I connect it?
Simply insert the 18650 cell into the holder (if included) and connect via USB input for charging.

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🔹 Specification Table