A compact single-cell lithium-ion battery protection board with an advertised 3A rating and a 4.2V full-charge voltage. Designed to help protect compatible batteries against overcharging, over-discharging, overcurrent, and short circuits.
Full Description
The BMS 1S 3A 4.2V Lithium Battery Protection Board is designed for a single lithium-ion cell with a nominal voltage of 3.7V and a full-charge voltage of 4.2V, including compatible 18650 batteries.
The protection circuit monitors battery operating conditions and disconnects the circuit when unsafe conditions are detected, depending on the board's design. Its compact form makes it suitable for portable electronics, DIY projects, and single-cell battery pack assemblies.
Important: This is a protection board, not a standalone charger. Use a suitable 4.2V lithium-ion charging module.
Technical Specifications
| Specification |
Details |
| Product Type |
BMS Battery Protection Board |
| Cell Configuration |
1S – Single cell |
| Advertised Current Rating |
3A |
| Nominal Battery Voltage |
3.7V |
| Full-Charge Voltage |
4.2V |
| Battery Chemistry |
Lithium-ion (Li-ion) |
| Compatibility |
Compatible 18650 and other single-cell Li-ion batteries |
| Overcharge Protection |
Yes |
| Over-discharge Protection |
Yes |
| Overcurrent Protection |
Depends on board design |
| Short-Circuit Protection |
Depends on board design |
| Dimensions |
40 mm × 4 mm × 3 mm |
Product Applications
-
Single-cell lithium-ion battery protection.
-
18650 battery pack assembly.
-
Portable electronic devices.
-
Arduino and DIY electronics projects.
-
Compatible rechargeable lighting systems.
English
العربية
No customer reviews for the moment.