The 3S 20A BMS 18650 Lithium Battery Protection Board offers safe and stable management for lithium battery packs used in robotics and DIY electronics. It helps regulate charging, discharging, and cell balancing, ensuring better battery life and consistent performance. The 3S 20A BMS 18650 Lithium Battery Protection Board is built for reliable protection in demanding applications and carries trusted quality from StemVolt.
Related Product:
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3S Lithium Battery Pack Holder
-
20A Battery Protection Circuit Module
Applications:
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DIY lithium battery pack building
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Robotics and automation projects
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Solar-powered storage systems
Specifications:
| Parameter | Details |
|---|---|
| Battery Type | 3-cell lithium-ion / lithium-polymer |
| Continuous Discharge | Up to 20A |
| Overcharge Protection | Yes |
| Brand | by StemVolt |
| Over-discharge Protection | Yes |
| Short Circuit Protection | Built-in |
| Balancing Function | Automatic cell balancing |
| Board Material | High-quality PCB |
| Usage | DIY Electronics Project, robotics, energy projects |
Features:
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Maintains safe and balanced battery operation
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Supports high current loads up to 20A
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Ideal for multi-cell lithium battery projects
Package Includes:
- 1 × 3S 20A BMS 18650 Lithium Battery Protection Board














Gurudas Prabhu –
Best deal for lithium battery packs
Vishal Mehra –
Damage-free delivery experience from reliable component store
Lobzang Temphel –
Worth every rupee
Abhijit Banerjee –
Solid build quality, secure packaging, and the 11.1V lithium battery pack protection board delivered excellent value.
Sriram Venkataraman –
Integrated this 3S 20A BMS module into an IoT battery pack, and protection worked flawlessly.