US$ 99.98
Non-Contact Detection: Optical sensing means zero mechanical wear
Sensors & Manual
as charging cold batteries can cause permanent internal damage
multiply capacity by C rating: 2200mAh × 30C = 66
allowing safe operation at approximately 224mA maximum current before thermal stress occurs
Sim800 Sim800L Gprs Gsm Chip MK Non-Contact Detection: Optical sensing meansSim800 Sim800L Gprs Gsm Chip
US$ 99.98
US$ 140.00
US$ 44.00
US$ 200.00