4 Series 40A 18650 Lithium Battery Protection Board 14.8V 16.8V with Balance for Drill Motor Lipo Cell Module بالنس بطارية ليثيوم
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Specification |
|
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Battery Configuration |
4S (4-series) Li-ion/Li-Po
(13.2V–16.8V) |
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Nominal Voltage |
14.8V (3.7V/cell) |
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Full Charge Voltage |
16.8V (4.2V/cell) |
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Max Continuous Current |
40A (Peak may vary) |
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Balance Function |
Yes (Passive balancing) |
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Overcharge Protection |
4.25±0.05V per cell |
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Over-Discharge Protection |
2.5±0.08V per cell |
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Overcurrent Protection |
Yes (Adjustable via resistors,
typically 40A–80A) |
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Short-Circuit Protection |
Yes (Auto-recovery) |
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Temperature Protection |
Optional (NTC thermistor support
in some models) |
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Cell Balancing Current |
~30mA–50mA (Passive balancing) |
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PCB Size |
Varies (~50mm x 35mm typical) |
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Wire Gauge Support |
10–12AWG (for high-current
terminals) |
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Compatible Batteries |
18650, 21700, Li-Po packs
(4-series) |
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Applications |
Drill motors, RC cars, e-bikes,
solar storage |
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