The 5S 18.5V 20A BMS 18650 Lithium Battery Protection Board is specifically designed for electric power tools using 5 series Li-ion batteries. It features a specialized IC for real-time monitoring of voltage, charge and discharge currents, and ambient temperatures. This BMS offers stable protection functions including overcharge, over-discharge, and short circuit protection. With low power consumption and robust protection features, it ensures the longevity and safety of your batteries. Compact in size (46 x 40 mm), it is easy to integrate into various devices.
Specifications of 5S 18.5V 20A BMS 18650 Lithium Battery Protection Board
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Operation Voltage: 18.5V
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Operation Current: 8-20A
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Dimensions: 46 x 40 mm
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Charge Voltage: 21V
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Single Cell Charge Voltage: 4.25V
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Overcharge Protection:
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Overcharge Single Cell Detection Voltage: 4.25V
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Overcharge Protection Delay: 1S
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Overcharge Single Cell Recovery Voltage: 4.13V
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Overcharge Protection Release Delay: 1mS
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Over-discharge Protection:
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Over-discharge Single Cell Detection Voltage: 2.8V
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Over-discharge Protection Delay: 1S
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Over-discharge Single Cell Recovery Voltage: 3.0V
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Over-discharge Protection Release Delay: 100±20mS
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Over-current Protection:
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Over-current Detection Voltage: 0.4V
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Over-current Detection Current: 30±5A
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Over-current Detection Delay: 1S
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Recovery State: Auto
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Short Circuit Protection: Yes
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Short Circuit Detection Delay: 250uS
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Short Circuit Release Delay: 1S
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Short Circuit Detection Voltage: 0.8V
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Recovery State: Auto after Disconnect Load
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Over Temperature Protection:
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Protection Temperature: 70±5°C
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Recovery Temperature: 55±5°C
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Power Consumption:
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Working State: 25uA (25°C)
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Stand-by State: 6uA (25°C)
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Internal Resistance: 30±5mΩ
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Temperature:
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Operating Temperature: -40°C to 85°C, RH≤75%
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Store Temperature: -40°C to 125°C, RH≤75%
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