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Lithium Battery Protection Plate, MOS Transistor 4Pcs Lithium Battery Equalizer 40A Accurate Detection  For Electric Machinery

<ul><li>Easy Carrying: Comes with small size and lightweight, you can easily take this board with you to help with your work.</li><li>Accurate Detection: This board features high voltage circuit detection, possesses fine workmanship, durable.</li><li>MOS Transistor: MOS transistor of this board can control the charge and discharge of the battery. You can take it with confidence!</li><li>Low Power Consumption: This board is small in size and low in power consumption, with an low standby current consumption.</li></ul>

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<br/><b>Specification:</b><br/>Item Type: Lithium Battery Balance Board<br>Material: PCB<br>Charging Voltage: 16.8V-18.1V<br>Continuous Discharge Current upper limit: 40A if the cooling environment is bad, please reduce the load current for use<br>Continuous Charging Current upper limit: 20A<br>Standard Version: Applicable to electric drills with starting current below 60A and power below 100W.<br>Enhanced Version: Applicable to electric drills with starting current below 80A and power below 135W.<br>Equalizing Version: Applicable to electric drills with starting current below 80A and power below 135W <br/><br/><b>Package List:</b><br/>4 x  Lithium Battery Balance Board <br/><br/><b>Note:</b><br/><div>1: Four 15C to 20C power batteries or eight 10C to 15C power batteries are required to successfully start the electric drill ordinary  cannot start the electric drill!!!.</div><div>2: Wiring 0V, 4.2V, 8.4V, 12.6V, 16.8V in strict accordance with the diagram, and do not intentionally short circuit.</div><div>3: When the load with brush motor is used, try to connect a non  capacitor withstand voltage of more than 25V, capacity of 10uF to 100uF in parallel at the positive and negative terminals of the motor to prevent the reverse  voltage generated by the motor from interfering with the protection board or breaking through MOS tubes.</div><div>4: When four groups of batteries are connected in series, please ensure that the voltage of each group of batteries is the same. If not, please fully charge each group of batteries separately and then use them in series. During the discharge test, the group of batteries with fast voltage drop is the poor battery. Explain to some customers with poor electronic  that balanced charging is only an auxiliary function. Try not to mix  batteries with poor batteries! The capacity and internal resistance of the four batteries are as close as possible! The use effect of three  batteries and one poor battery is equal to that of four poor batteries..</div>

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