2S-2A JLGW Li-ion Battery Management System (BMS)

Overview:
The 2S-2A JLGW BMS is a compact and efficient Battery Management System designed for 2-series (2S) lithium-ion batteries, such as 18650 cells. With a continuous discharge current of 2A, this BMS provides essential protection features to ensure the safe operation and longevity of your battery pack.

Key Specifications:

• Battery Configuration: 2S (7.4V nominal, 8.4V fully charged)

• Continuous Discharge Current: 2A

• Peak Discharge Current: 3A

• Overcharge Detection Voltage: 4.25V ±0.05V per cell

• Overcharge Release Voltage: 4.15V ±0.05V per cell

• Over-discharge Detection Voltage: 2.75V ±0.05V per cell

• Over-discharge Release Voltage: 3.00V ±0.10V per cell

• Overcurrent Detection Voltage: 0.20V ±0.02V

• Short Circuit Protection: Yes (Instant reaction)

• Balance Function: No

• Operating Temperature Range: -20°C to +60°C

• PCB Dimensions: Slimline design for space-sensitive builds

Protection Features:

• Overcharge Protection: Prevents battery overcharging by disconnecting the charging path when the voltage exceeds 4.25V per cell.

• Over-discharge Protection: Disconnects the load when the battery voltage drops below 2.75V per cell to prevent deep discharge.

• Overcurrent Protection: Detects excessive current draw and disconnects the load to prevent damage.

• Short Circuit Protection: Automatically disconnects in case of a short circuit to protect the battery and connected devices.

Applications:

• DIY power banks

• Portable electronics

• LED lighting systems

• Backup power solutions

• Robotics and embedded systems