4S 40A LiPo Protection Board 14.8V 16.8V BMS with Balance for Arduino Robotics

Key Highlights

• ✓ 4 Series Battery Configuration: Designed for 4 cells in series, creating a 14.8V nominal and 16.8V fully charged lithium battery pack. Suitable for 18650 or similar lithium cells. ✅ High Current Capacity: Supports 40A continuous discharge current, making it ideal for high-power applications. 20A continuous charging current capacity ensures efficient charging. ✅ Overcharge & Over-discharge Protection: Prevents cells from overcharging (>4.25V) or over-discharging (<2.5V). Enhances safety and longevity of the battery pack. ✅ Temperature Resilience: Wide operating temperature range (-40°C to 85°C), ensuring performance in extreme conditions. ✅ Balanced Version: The balanced version ensures even charging and discharging across all cells, promoting longer battery life. Suitable for applications with a starting current below 80A and power consumption below 135W. ✅ Compact & Lightweight: Weighing only 9.3g – 10.3g, it offers easy installation in battery packs.