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5S 18V 21V 20A Li-Ion Lithium Battery Charger Protection Board for Electric Drill Power Tools Battery Charging Protection Board

<ul><li>Battery charging protection board for 5 series Li-ion batteries】 This protection board is designed specifically for 5 series Li-ion batteries and is commonly used in electric power tools. It utilizes a special IC as a processor to monitor real-time voltage, charge and discharge current, and ambient temperature of each individual battery.</li><li>Various protective functions】 Equipped with stable protective functions for charging and discharging, including overcharge protection, over-discharge protection, and short circuit protection. the safety and longevity of your batteries.</li><li>Low power consumption】 With a working current of approximately 25uA and a quiescent current of about 6uA, this protection board features power consumption, saving and maximizing battery efficiency.</li><li>Precise voltage detection and recovery】 The protection board detects overcharge or over-discharge of individual cells with detection voltages ranging from 85V to 4.25V and 2.0V to 2.8V respectively. It also offers precise recovery voltages of 3.75V to 4.13V and 2.5V to 3.0V for overcharge and over-discharge situations.</li><li>Additional features】</li><li>5S 18V/21V 20A Battery Charging Protection Board Overcharge Ver-Discharge Short Circuit Protection Li-Ion Battery Circuit Board</li></ul>

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5S 18V 21V 20A Battery Charging Protection Board Li-Ion Battery Circuit Board Features:The protection board is for 5 series Li-ion batteries, mainly used for electric power tools.It uses special IC for 5S lithium batteries as processor to detect real-time voltage, charge and discharge current and ambient temperature of each battery.Stable various protective functions for charging and discharging, such as overcharge protection, over-discharge protection and short circuit protection.Low power consumption,the working current is about 25uA and quiescent current is about 6uA.Choosing the correct protection board and applying it appropriately is vital to the longevity your batteries.&nbsp;Specifications:Charge Voltage:19/21VSingle Cell Charge Voltage:3.8/4.25VContinuous Discharge Current:8-20AOvercharge Single Cell Detection Voltage:3.85-4.25VOvercharge Protection Delay:1SOvercharge Single Cell Recovery Voltage:3.75-4.13VOvercharge Protection Release Delay:1mSOver-discharge Single Cell Detection Voltage:2-2.8VOver-discharge Protection Delay:1SOver-discharge Single Cell Recovery Voltage:2.5-3.0VOver-discharge Protection Release Delay:100±20mSOver-current Detection Voltage:0.-0.4VOver-current Detection Current:30±5AOver-current Detection Delay:1SShort Circuit Protection Support:YesShort Circuit Detection Delay:250uSShort Circuit Release Delay:1SShort Circuit Detection Voltage:0.8VRecovery State:Auto after Disconnect Load

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