DescriptionWelcome to our store: Tips: If you need Large quantity, please contact us, we can wholesales. Features: Suitable for DIY universal rechargeable, 18650 lithium ion battery charger 4.35V applies to the following scenarios: DIY some norminal 3.80V lithium batteries charge that the 4.35V charge board is too high to use 4.3V, and the disadvantage is that it may flush up to 97% or 99%. If want to charge to 100%, recommend to buy the 4.35V version. Name: 3A Polymer Lithium Battery Fast Charging Board (Note that it is not suitable for 3.2V LifePo4 batteries) Model: AILAVI-0503V1 Main control chip: IP2312 Input voltage: 4.5-5.5V Charging cut-off voltage: 4.2V/4.35V (two versions of output voltage are available) Charging current: 3A (current can be changed by adjusting resistance) Indicator: Yes, red: work indicator. Blue: Full Charged indicator lights. Note: This product has no power indicator function and battery protection function. We also have lithium battery protection board and power indicator board for sale. Conversion efficiency: 3A 93%, 2A 94%, 1A 95% (data for reference only) IP2312 adopts complete CC/CV charging mode. When the battery voltage is less than 3V, it enters trickle current charging mode and charges the battery with 100mA charging current. When the battery voltage is greater than 3V, it enters the constant current charging mode to charge the battery with the set constant current charging current. When the battery voltage is close to 4.2V and the charging current is less than 300mA, it enters the constant voltage charging mode. After entering the constant voltage mode, stop charging every 4 minutes, and check whether the battery voltage is higher than 4.15V: If it is higher than 4.15V, stop charging; otherwise, continue charging, and then test after 4 minutes. When the battery is full, if the battery voltage is detected to be less than 4.1V, it will be turned on to charge the battery. Current regulation instructions: Default 3A, remove resistor 2A and replace it with 135k resistor 1A PCB size: 31*15mm USB socket protrudes about 1mm Package include: 1 x charging module(with LED indicator) Payment
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