Price: $39.99 - $109.99
(as of Oct 09, 2025 03:00:44 UTC – Details)
Product description
As the upgraded version of USB PD3.0 protocol, the new USB PD3.1 protocol can support up to 48V, And the charging power can reach 240W. According to the documents from USB-IF, the USB PD3.1 can support extended power range (EPR) of 28V, 36V, 48V and three sets of adjustable voltage supply (AVS).
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Customer Reviews
4.6 out of 5 stars 168
4.3 out of 5 stars 16
Price
$109.99$109.99
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Size
1.44 x 1.4 x 0.34 inches (36.5 x 35.5 × 8.7 mm) 1.42 x 1.46 × 0.31 inches (36 x 37 × 8 mm)
Weight
16.5g (0.58 oz) 15.8g (0.56 oz)
Screen Size
1.54 inches 1.3 inches
Accuracy
0.00003 0.00003
Language
English/Chinese English/Chinese
Typical Operating Current
15~50mA 8~25mA
Processor
ARM Cortex-M4 192MHz ARM Cortex-M4 192MHz
PD3.1
✓
✓
Gravity Sensor
✓
no data
Supercapacitor
✓
no data
Product Dimensions : 1.4 x 0.34 x 1.44 inches; 0.58 ounces
Item model number : KM003C
Date First Available : October 11, 2022
Manufacturer : ChargerLAB
ASIN : B0BJ24PVNJ
Best Sellers Rank: #27,378 in Automotive (See Top 100 in Automotive) #5 in Multimeters & Analyzers
Customer Reviews: 4.6 4.6 out of 5 stars 168 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
【PD3.1】This is the POWER-Z product page. This tester is the latest version and can support PD3.1.
【Larger Display】It has a larger LCD display (1.54 inches) than previous generaion and can support gravity rotation. The high contrast UI makes it easier to get what you need.
【Multiple Tests】This tester can support multiple tests, including voltage/current detection, capacity/energy test, E-marker test, PDO test, protocol test, etc.
【More Powerful】This tester integrates ARM Cortex-M4 processor and 20 bit ADC. It can support up to 50V 6A (240W in PD) and USB PD protocol analyzer. The PC software can obtain 10 million pieces of data at a time.
【Designed for USB-C】It’s equipped with two USB-C ports for current input & output and an additional HID port (USB-C) for connecting to PC & power supply.
【Tech Support】This model can support English and Chinese. Please go to our official website to get the manual and PC software (For update and further analysis).
Customers say
Customers praise the USB tester’s build quality and functionality, with one noting its ability to test cable resistance, and another highlighting its compatibility with all PD chargers. The device receives positive feedback for its power consumption capabilities, with one customer specifically mentioning its power draw analysis, and customers appreciate its numerous features, with one highlighting its high-frequency ripple and FFT analysis functions. While customers find the device handy and consider it worth the price, they disagree on its ease of use, and the software is criticized for being in Chinese.