For convenient measurement of both voltage and current of a mobile device, you may be in badly need of this KEWEISI 3V-9V 0-3A USB Charger Power Battery Capacity Tester Voltage Current Meter! Having gone through strict test before shipment, this tester ensures absolute durability and reliability. Sophisticated craftsmanship guarantees its stable and anti-interference performance. Due to its universality, it is highly suitable for cellphone charger, USB flash disk and other products. Would like to have a try?
- It can measure the USB-powered devices empty and easy to use and practical
- Compact and easy to carry, no additional power supply, plug and play
- It can easily measure the output voltage of the USB port and the device operating current or load voltage
- Detect any USB charger such as PC USB, home charger, car charger
- Wide range of applications, any phone, any electronic product
- Suitable for factories, laboratories and personal use
||3V-9V, ¡À 1%
||0-3A, ¡À 1%
||(2.83 x 0.87 x 0.43)" / (7.2 x 2.2 x 1.1)cm (L x W x H)
||0.71oz / 20g
- 1 x USB Current Voltage Detector Battery Tester Meter
(1) Q: Is the accuracy accurate?
???? A: The accuracy is very accurate;
(2) Q: Will the phone be slower when it is added?
???? A: There is no impact on the charging speed of the mobile phone, and the charging speed of the mobile phone is normal and will not slow down;
(3) Q: Can Q detect the voltage and current of the mobile power supply?:
???? A: It is completely ok, very suitable;
(4) Q: Will it be hot after a long time?
???? A: No, don't worry;
(5) Q: Can it be displayed below 100mah?
???? A: It can be displayed normally.
Please allow 1-2mm errors due to manual measurement.
Due to the difference between different monitors, there are color differences, please take the real product as the standard,Please understand. Does not support QC2.0!