|Item Weight||0.3 ounces|
|Package Dimensions||3.7 x 2.5 x 0.6 inches|
|Item model number||CECOMINOD006996|
|Item Package Quantity||1|
BEAUTOPE Dual-USB 2.0 HUB Charger Doctor Voltage Current Detector Digital Ammeter Voltmeter Multimeter Fast Charging and Solar Panel Alignment USB Tester Mobile Power Panel Monitor Gauge DC Display 3.2-10V 0-3A Red Blue LED
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OUTPUT Ⅰ (two functions) :
Data communication function: mobile phones or other mobile device and a computer for data transfer
Charging voltage output function: suitable for most of mobile phones, mobile power, and tablet PCs and other USB devices, if with Original Charger or other with high-current Identify resistance charger, can also supports IPad, IPhone and Samsung S4 “High Current” charge.
Universal : OUTPUT Ⅱ (one function):
Charging voltage output function: universal-version, suitable for most of mobile phones, mobile power, tablet PCs and other USB devices, do not support IPad, IPhone and Samsung S4 “High Current” charge, NO data communication function.
- Test Voltage: DC 3.2 ~ 10V
- Test Current: 0 ~ 3A (10A Maximum, If more than 3A, can not work continuously)
- Operating Current: < 20mA
- LED Size: 0.28 inch LED
- Display Ways: Blue display current, red display voltage
- USB Extension cable: about 120mm
- Measuring Rate: ≥ 500mS / times
- Accuracy: 1% (± 2 digits)
- Color: Black
- Dimensions: 69 x 26 x 14mm
- Product Weight: 27g
Extreme working conditions:
Low supply voltage: +3.2 V
Maximum supply voltage: +10 V
Working temperature: -10 °c~ +65 °c
Operating Humidity: 10 ~ 80% (non-condensing)
Working pressure: 80 ~ 106kPa
Sun exposure: no direct exposure
1x KW-203 Red & Blue Dual USB Charging Volt Ampere Meter
Top Customer Reviews
accurate volt and ammeter readings
dual-LED easy to see indoors
dual USB jacks
Power draw of the device is less that 10mA, and does not significantly load the test devices or PSU
No brand name, you can find many identically looking devices under many brands and vendors, you can't be sure if it was made by the same person, its fake or counterfeit, or works properly without testing it yourself
LED are difficult to see in outdoors and worse in sunlight
I troubleshoot USB with a USB breakout box that is tedious to set up and having this device makes it plug and play for quick status checks for charging or USB devices.
For example, in daily use its superior as a charge monitor compared to looking at just the charging icon of your device: you can see quantitative current supplied by your PSU and watch the current drop as the battery reaches full charge. You can check new cables against known good cables and see if the supplied current improves or not. If you're not sure a PSU has been damaged, you can plug it in and check output voltage and response to a test charge, or compared to a known good charger. While you can do such tasks without this gadget, the output current gives you more information than a simple go, no-go test for USB diagnosis.