3.7V Overcharge Protection Circuit for Lithium Batteries 18650

Description

Description:This board is used to protect cells from Full Discharge, Over-Charging, Over-current and Short CircuitSuitable for lithium batteries with nominal voltage of 3.6 V, 3.7 V, 3.8 V and charge up to 4.2 V per cellYou need basic soldering skills for the boardInput Voltage: 4.2 V regulated by constant current source and constant voltageVoltage: 22x4x3mmSolder points:B+: battery positiveB-: battery negativeP+: charger / charging positiveP-: charger / charging negativeParameter Table:Number Parameter ValuesCharging Voltage 1 Constant Current (CC): 4,2V CC/CVSingled Balanced Voltage n/aCurrent Equalization Single n/aBattery Consumption Single (self-consumption) n/aMaximum Continuous Discharge Current n/a3 Overcharge ProtectionOvercharge Detection Voltage 4.275 V 0.025VOvercharge Recovery Voltage Detection Delay Time 150-500 msTutorial: How to use the 3.7V Overcharge Protection Circuit for Lithium Batteries 18650 This circuit protects LiPo 18650 batteries from damage due to overcharging, ensuring their safety and longevity. Useful for those who charge or use LiPo batteries. What you need 3.7V Overcharge Protection Circuit for Lithium Batteries 18650 LiPo 18650 Batteries Fuses or circuit breaker (optional) Multimeter (for verification) Steps Check the maximum allowed voltage on the datasheet (3.7V). Connect the battery to protection with specified contacts. Verify if fuses are needed from the datasheet. If necessary, connect fuses between protection and battery. Verify proper functioning of the circuit with a multimeter. Use the circuit in charging or power circuits. For safety, check voltage regularly. Store the circuit safely during transportation. Mini-project Build a LiPo 18650 battery test cart using this circuit and a power supply. Common mistakes Force voltage above 3.7V. Omit verification of the circuit. Do not use fuses if necessary. Ignore safety instructions.