4S 14.8V 16.8V 20A BMS PCM BOARD

4S 14.8V 16.8V 20A BMS Board protects four lithium batteries connected in series from overcharging, over-discharging, overcurrent, and short-circuit.

14.8V battery pack rated voltage, 16.8V battery pack full charge voltage, and 14.4V battery pack rated voltage.

This board is not designed for high-powered tools such as portable drills.

Specifications:

• Over Charge Voltage: 4.25-4.35v±0.05v.
• Over-Discharge Voltage: 2.3-3.0v±0.05v.
• Max is working current: 10A.
• Max Peak current: 20A.
• Working Temperature:-40~+50.
• Storage Temperature:-40~+80.
• Small current: 6uA.
• Life cycle: 50000 hours.
• Resistance: <100mΩ.
• Shortcut Protection: Protectable, change for repair.
• Size: 3.6×3.5cm/1.42×1.38inch.

Features:

• High-accuracy voltage detection circuit.
• Built-in three-stage over-current detection circuit (over-current 1, over-current 2, or load short circuit).
• MOS transistors can control the battery charge and discharge.

Four series 18650 battery 16.8V 16V 14.8V

• 14.8V (Li-ion 18650 or li-ion battery-rated voltage).
• 16.8V (Li-ion battery full charge voltage).
• 14.4V ( Lipo battery pack rated voltage).

BMS solder instruction:

• B+ Connected battery is positive.
• B1 is the connecting point between battery one and battery 2.
• B2 Connects the point between battery two and battery 3.
• B3 Connects the point between battery three and battery 4.
• B- Connect to the battery opposing end.
• P- + Connection charge/Discharge positive.
• P- Connection charge/Discharge negative.

Package included: 1 x 4S 14.8V 16.8V 20A BMS PCM BOARD

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Notes:

1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual colour of the item because of different photographing lights, angles and display monitors.