4S 14.8V 20A BMS 18650 Lithium Battery Protection Board Suitable for Drill Tools
The 4S 14.8V 20A BMS 18650 Lithium Battery Protection Board, model 1040-4SZC, is tailored for use in drill tools, electric vehicles, garden tools, power tools, and angle grinders. This protection board ensures your 4-series Li-ion battery packs operate safely and efficiently by providing robust protection against overcharge, over-discharge, short circuits, and over-current conditions. Designed with a compact form factor and durable construction, it maintains a nominal voltage of 16V and supports a maximum operating current of 9A, with a peak instantaneous current of 20A.
Specifications of 4S 14.8V 20A BMS 18650 Lithium Battery Protection Board
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Model: 1040-4SZC
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Nominal Voltage: 16V
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Operation Voltage: 14.8V
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Operation Current:
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Maximum Operating Current: 7-9A
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Maximum Instantaneous Current: 15-20A
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Quiescent Current: <20uA
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Internal Resistance: <30mΩ
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Overcharge Voltage Range: 4.275V±0.035V
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Over-discharge Voltage Range: 2.750V±0.08V
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Overcharge Recovery Voltage: 4.075V±0.1V
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Over-discharge Recovery Voltage: 2.9V±0.08V
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Working Temperature: -40℃ to 80℃
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Short Circuit Protection: Yes, with automatic recovery
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Dimensions: 34 x 34 x 1.6 mm
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Color: Green
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Functions: Overcharge protection, over-discharge protection, short circuit protection, over-current protection
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Suitable for: Electric vehicles, garden tools, power tools, angle grinders, etc.