
2S 5A 18650 Li-Ion Battery Protection Board (BMS) – HX-2S-A2
QAR 7.00/ unit
Arrives by 17 October · Standard · Delivery from QAR 50
Express: 15 October · Economy: 21 October
Description
The HX-2S-A2 2S 5A Battery Protection Board (BMS) is a compact battery management solution designed for 2-cell lithium-ion battery packs built using 18650 cells. It provides essential protection against overcharging, over-discharging, overcurrent, and short-circuit conditions, helping to improve battery safety and extend service life. With its ultra-compact size and low standby current consumption, this BMS is ideal for portable electronics, LED lighting, battery-powered devices, DIY battery packs, and embedded systems requiring reliable battery protection. Features • Designed for 2S lithium-ion battery packs • Compatible with 18650 lithium-ion batteries • Compact and lightweight design • Overcharge protection function • Over-discharge protection function • Overcurrent protection function • Short-circuit protection with recovery • Low quiescent current consumption • Supports charging voltage up to 8.4V • Long operational life exceeding 50,000 hours • Suitable for portable battery-powered devices • Reliable battery monitoring and protection • Easy integration into custom battery packs • Enhances battery safety and longevity Tutorials • 2SBMS-K90 | 2S BMS 7.4V 5A 18650 battery Charging Protection
Specifications
| Model | HX-2S-A2 |
|---|---|
| Battery Type | Lithium-Ion (18650) |
| Battery Configuration | 2S (2 Cells in Series) |
| Nominal Battery Voltage | 7.4V |
| Charging Voltage | 8.4V – 9V |
| Overcharge Protection Voltage | 4.25V – 4.35V ±0.05V |
| Over-Discharge Protection Voltage | 2.5V – 3.0V ±0.05V |
| Maximum Continuous Operating Current | 5A |
| Maximum Instantaneous Current | 7A |
| Quiescent Current | <10µA |
| Internal Resistance | <300mΩ |
| Short Circuit Protection | Yes |
| Recovery Method | Charging Recovery |
| Operating Temperature | -40°C to +50°C |
| Storage Temperature | -40°C to +80°C |
| Service Life | More Than 50,000 Hours |
| Board Dimensions | 17.5 × 17.5 × 3.2mm |
| Application | Battery Pack Protection and Management |
- Category
- Power