Features:
Real time detection: test voltage, current and charging capacity.
LCD display with multiple data, easy and clear for readings.
DC3-9V voltage test range, 0-3A current range, 1% accuracy.
Voltage alarm function: when the voltage is higher than 5.3V(display H) or lower than 4.7V(display L).
With data storage function: memorize 10 groups of capacity data.
Quick capacity data review and zero clearing function.
U-disk current detection and USB interface voltage detection.
Improve the charging efficiency and protect the charging equipment.
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