6S 22.2V 15A Li-Ion Battery Protection Board (BMS) for 18650 Batteries

The 6S 22.2V 15A Li-Ion Battery Protection Board (BMS) is designed to provide comprehensive protection and management for 6-cell lithium-ion battery packs built with 18650 cells. It enhances battery safety by monitoring charging and discharging conditions while protecting against overcharge, over-discharge, overcurrent, and short-circuit events. Featuring low power consumption and a compact design, this BMS is suitable for DIY battery packs, portable power systems, robotics, electric mobility projects, and energy storage applications. The board supports up to 15A continuous charging and discharging current while ensuring reliable battery operation and extended service life.

• Designed for 6S lithium-ion battery packs

• Compatible with 18650 lithium-ion cells

• 22.2V nominal battery system support

• Continuous charging current up to 15A

• Continuous discharge current up to 15A

• Overcharge protection function

• Over-discharge protection function

• Overcurrent protection function

• Short-circuit protection function

• Low standby current consumption

• Compact PCB design

• Low main circuit resistance

• Suitable for DIY battery pack assembly

• Improves battery safety and lifespan

• Size: approx.50*30*2mm
• Lampshift maximum discharge current: 15A
• Instantaneous discharge current: 25A
• Charging voltage: 25.5V
• Charging current: 15A (MAX)
• Overcharge detection voltage: 4.28 ± 0.05V
• Overcharge protection delay: 0.1S
• Overcharge release voltage: 4.08 ± 0.05V
• Over discharge detection voltage: 2.55 ± 0.08V
• Overdischarge detection delay: 0.1S
• The overdischarge release voltage: 2.9 ± 0.1V
• Overcurrent detection voltage: 150mV
• Overcurrent detection delay: 9MS
• Overcurrent protection current: 30 ± 3A
• Overcurrent protection release condition: Disconnect the load
• Short circuit detection delay: 250uS
• Short circuit protection Release condition: disconnect negative open
• Main circuit conduction resistance: ≤20mΩ
• Working current: ≤30uA
• Sleep current (battery over discharge) ≤10uA
• Temperature range: -30 / + 80 ℃

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