ChargeLab new product. USB power meter with up to PD 3.1 support
![](https://liutyi.info/wp-content/uploads/2022/02/POWER-Z_KM002C-1024x761.jpg)
With higher voltage (50v) and current (6A)
![](https://liutyi.info/wp-content/uploads/2022/02/POWER-Z_KM002C_back-890x1024.jpg)
The device is not PC Software compatible with KM001 KM001C. First versions of application was about 90% Chinese. With almost no English translation.
![](https://liutyi.info/wp-content/uploads/2022/02/2022-02-17_222430-1024x545.jpg)
(Update for 2022-04-05) But that is getting better. Version 1.2.8 is more usable with better English support
![Power-Z Lab 2.0 v1.2.8](https://liutyi.info/wp-content/uploads/2022/04/Power_Z_lab2_128-1024x543.png)
Despite the similar name, design is changed a lot since KM001C devices
![](https://liutyi.info/wp-content/uploads/2022/02/KM002C-1024x614.jpg)
Firmware 1.1.0 is unstable and has to be updated before using the device. Firmware update is possible for Power-Z Lab application.
To Download and apply new firmware Press “Chip button” on Update Firmware tab
![](https://liutyi.info/wp-content/uploads/2023/04/Apply_new_power-z_firmware.png)
Link to Dropbox from ChargeLab
Link to Google Drive from ChargeLab
Link to AliExpress for KM003C: ~70$
2 replies on “POWER-Z KM002C”
How to update the firmware? I can see updates in the software but cant update
yes, it is not obvious. So added screenshot to article