3Pcs Wemos® 18650 Battery Shield Expansion Board

Description 18650 shield has a strong ability for 18650 battery charging and discharging It will be very helpful for a lot of projects It is a better solution than 18650 shield V1 which could charge and discharge at 3A It also has 4 LEDs to show the charging status and dump energy It could detect target when the output current is less than 30mA the board will shut off automatically The sleeping current is only 6 uA When you click once the button charging work will start and LEDs will show the dump energy When you keep clicking the button over 2 5s output will stop Parameter Over charging protectionOver discharging protection4 LEDs indicationTemperature protectionBattery short protectionClick button will start workClikc button 2 5s will stop output go to sleep mode If output 30mA for 10s will go to sleep mode Current of sleep mode is 6uA Efficiency is 93 5 Input 5 9VWork temperature 40C 85CBe careful of and You should follow the direction of on the PCB Package included 3 x Wemos 18650 Battery Shield Expansion Board 18650 battery not included