XL-MH9958S Li ion Lithium Battery Protect Circuit Protection Board Module for Lithium Drill Power Tools 5 Series 21V(MH9958 )

1、Adopting a 5 series lithium battery-dedicated IC as a processor.

2、Real-time detection of battery voltage, charge and discharge current, and ambient temperature.

3、Overcharge, overdischarge, discharge overcurrent, short circuit, charge overcurrent, temperature protection, etc.

4、Widely used on battery packs for power tools using 18650 lithium batteries.

5、High-quality electronic components ensure the stable and reliable performance of the lithium battery protection board.

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div.Section0{page:Section0;}Item Type Lithium Battery Protection BoardModelXL-MH9958S (or MH9958S-S) Number of Series5 SeriesVoltageCharging Voltage21V Single Charge Voltage4.25VCurrentContinuous Discharge Current8-20AOvercharge ProtectionOvercharged Single Section Detection Voltage4.25VOvercharge Protection Delay1SOvercharged Single Section Recovery Voltage4.13VOvercharge Protection Release Delay1mSOverdischarge ProtectionOver-Discharge Single-Section Detection Voltage2.8VOver-Discharge Protection Delay1SOver-Discharge Single-Section Recovery Voltage-3.0VOver-Discharge Protection Release Delay100±20mSOvercurrent ProtectionOvercurrent Detection Voltage0.4VOvercurrent Detection Current30±5AOvercurrent Detection Delay1SRecovery StatusAutomatic Recovery