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Lithium Battery Protection Board, Overdischarge Protection BMS Protection Board, Overcharge Protection For Short Circuit Protection Massager Battery Pack

<ul><li>Built-in high  voltage detection circuit makes the protection board quick response and protect the battery from damage in time. </li><li>Overcurrent protection, overcharge protection, overdischarge protection, short circuit protection.</li><li>The protection board is made with  electronic components, stable charge and discharge, with long service life.</li><li>Wide operating temperature range -40~50 degrees Celsius , low self consumption.</li></ul>

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<br/><b>Specification:</b><br/>Item Type: Lithium Battery Protection Board<br>Overcharge Voltage Range: 4.25-4.35V±0.05V<br>Size: 56 x 45 x 4mm / 2.2 x 1.8 x 0.2inOver-Discharge Voltage Range: 2.3-3.0V±0.05V<br>Upper Limit Working Current: 20-25A pay attention to heat dissipation <br>Upper Limit Instantaneous Current: 35-40A <br>Working Temperature: -40~+50°C<br>Storage Temperature: -40~+80 °C<br>Quiescent Current: &lt;30uA <br>Life: &gt;30,000 hours<br>Internal Resistance: &lt;100m Ohm  <br>Short Circuit Protection: Yes, delay self-recovery<br>Balance Current: 45 mA<br>Charging Voltage: 12.6V-13V<br>Test Point Description: S1 S2 short circuit, P + P- will output voltage, indicating that all MOS protection is normal, plus a normally open temperature detection can extend the temperature protection.<br> <br/><br/><b>Package List:</b><br/>1 x Lithium Battery Protection Board <br/><br/><b>Note:</b><br/><div>1. This protection board can not be used for LiFePo4 battery,  lamp, power drill battery pack, electric bicycle battery pack, baby car battery, 775 4A above motor, 1W fisheye LED lamp.</div><div>2. For discharge products above 3A, the battery discharge rate should be more than 3C.</div><div>Discharge rate calculation : 1C rate battery, 2000 capacity is equal to 2AHx1=2A working current; 3C rate battery, 2000 capacity is equal to 2AHx13=6A working current. If battery heats during use, it means the battery discharge rate is not applicable, this situation can not be used for a long time, or the battery will be damaged quickly.</div><div>3. In strict accordance with the wiring 0V B-, 3.7V B1, 7.4V B2, 11.1V B+, do not intentionally short circuit!</div><div>4. When connecting 3 sets of batteries in series, please ensure that the voltage of each set of batteries is the same. If they are different, please fill each set of batteries separately and then use them in series. During the discharge test, the battery with the fastest voltage drop is the poor battery.</div><div>Tips: Do not mix  battery and poor battery to use! The closer the capacity/internal resistance of the batteries are, the better! The use effect of 2  batteries and 1 poor battery = the use effect of 3 poor batteries.</div>

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