FTVOGUE XL-MH9958S 5-String 21V Lithium Battery Protection Board for Power Tools - High-Efficiency Battery Management System for Drills, Saws & Electric Wrenches | DIY & Professional Electrical Accessories | Workshop & Construction Site Use

Specification: Item Type Lithium Battery Protection Board Model XL-MH9958S (or MH9958S-S) Number of Series 5 Series Voltage Charging Voltage 21V Single Charge Voltage 4.25V Current Continuous Discharge Current 8-20A Overcharge Protection Overcharged Single Section Detection Voltage 4.25V Overcharge Protection Delay 1S Overcharged Single Section Recovery Voltage 4.13V Overcharge Protection Release Delay 1mS Overdischarge Protection Over-Discharge Single-Section Detection Voltage 2.8V Over-Discharge Protection Delay 1S Over-Discharge Single-Section Recovery Voltage -3.0V Over-Discharge Protection Release Delay 100±20mS Overcurrent Protection Overcurrent Detection Voltage 0.4V Overcurrent Detection Current 30±5A Overcurrent Detection Delay 1S Recovery StatusAutomatic Recovery Short Circuit Protection With Or Without Short Circuit Protection With Short Circuit Protection Short Circuit Detection Delay 250uS Short Circuit Release Delay 1S Short Circuit Detection Voltage 0.8V Recovery Status Automatic Recovery After Disconnecting Load Temperature Protection Over Temperature Protection Temperature 70±5℃ Over Temperature Recovery Temperature 55±5℃ Power Consumption Working Status 25uA (25℃) Dormant State 6uA(25℃) Internal Resistance Discharge Loop Internal Resistance 30±5mΩ Size Length x Width Approx. 89 x 64mm / 3.5 x 2.5in Temperature protection Working temperature -40°C-85°C Relative humidity≤75% Storage temperature -40°C-125°C Relative humidity≤75% Package List: 1 x Lithium Battery Protection Board

Lithium battery protection board has overcharge, over discharge, over current, short circuit, charging over current, temperature protection and so on.

The lithium battery protection board can detect battery voltage, charging and discharging current and ambient temperature in real time to ensure stable operation of the protection board.

The lithium battery protection board uses a 5-string lithium battery dedicated IC as a processor, which has stable performance and is safe to use.

The lithium battery protection board uses high-quality electronic components to ensure stable and reliable performance of the lithium battery protection board. Widely used in power tool battery packs using 18650 lithium batteries.

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