DESCRIPTION:Size: 38 * 10 * 4mm
Charging voltage: 5V
Charging current : 400-500MA become hot during charging is normal.
Boost Output: 5V
Output current: 300 ~ 400MA; suitable for use in less demanding situations.PERFORMANCE: This boar..
TECHNICAL PARAMETERS:Scope of work: Current (0~2.5A) can detect mobile phone charger voltage compliance DC5V
Operating Range : U = 3 ~ 7.5V I = 0 ~ 2.5A
Resolution : Voltage 10mV current 1mA
Error : voltage <± 1% current <± 2%
Full scale drop : ( When measuring current ) 200mV
DESCRIPTION:USB Charger Doctor Voltage Current Meter Mobile Battery Tester Power DetectorFEATURES:100% Brand New and High Quality
Display data: Voltage Current
RTZ, Reset button, press it three seconds will Reset
Voltage: 4V-20V ( 1% accuracy )