4S-30A: BMS 4 Series 30A 18650 Lithium Battery Protection Board 14.8V 16V with Cable

4S 30A BMS 18650 Lithium Battery Protection Board with Cable

The 4S-30A BMS is a robust protection board designed for 4-series 18650 lithium battery packs. It ensures the safety and longevity of your 14.8V or 16V battery configurations. This board features a 30A continuous discharge capability, making it suitable for demanding applications. Integrated cell balancing maintains optimal voltage across each battery cell, enhancing overall pack performance. It includes essential protections against overcharge, over-discharge, and short circuits. Equipped with an auto-recovery function and 10 low-load resistance MOS tubes for reliable operation. The compact 46 x 60 x 3.4 mm size allows for easy integration into various projects. It supports nominal 3.6V/3.7V lithium batteries, including 18650, 26650, and polymer types. A connecting cable is included for convenient installation.

Specifications:

• Overcharge Detection Voltage: 3.9V ± 0.05V
• Overcharge Release Voltage: 3.9V ± 0.05V
• Over-discharge Voltage: 2.55V ± 0.08V
• Overcharge Detection Delay: 0.1s
• Operating Temperature Range: -30°C to 80°C
• Short Circuit Detection Delay: 100ms
• Overcurrent Detection Delay: 500ms
• Balanced Current: 60mA
• Continuous Working Current: 30A
• Overcurrent Protection: 60A
• Weight: 17g
• Dimensions (LxWxH): 46 x 60 x 3.4 mm

Key features and benefits:

• Designed for 4-series 18650 lithium battery packs (14.8V/16V nominal)
• 30A continuous discharge current capability
• Integrated cell balancing function (60mA balanced current)
• Comprehensive protection: overcharge, over-discharge, and short-circuit
• Auto-recovery function for enhanced reliability
• Utilizes 10 low-load resistance MOS tubes
• Compact dimensions: 46 x 60 x 3.4 mm for easy integration
• Supports 3.6V/3.7V nominal lithium batteries (18650, 26650, polymer)

Applications:

• Electric drills (suitable for starting current below 80A, power below 135W)
• Battery packs for sprayers
• Powering LED lights and other low-power devices
• Low-power inverters
• DIY battery management systems and portable electronics

Package Includes:

*Image shown is a representation only.

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