In this video the errors of this ToolkitRC M8 are shown and clarified.
Charger bought from banggood: July 2019
Firmware updated to latest firmware, version 1.40 (February 2020)
the ToolkitRC M8 charger started with inaccurate voltage readings and now since a few months does not work anymore. Since I bought the charger I have updated to the latest firmware, in October 2019, December 2019 and recently in February 2020, but unfortunately the errors were not solved after updates. Error overview:
1. Incorrect voltage error, low voltage on lipo cell. Incorrect voltage, voltage of some cells shows up to 4.4V (see at 1:10min in video) (impossible as lipo cell is max 4.20V)
2. Dial button does not work when rotating (needs switching on/off power supply and sometimes that does not work at all)
3. time out: shortly after charging start, time out follows: not possible to charge
4. resistance test not possible: time out
5: When balance charging seems to start, the charger slowly discharges the battery. I realised this after 15 minutes , when a 60% lipo was drained to 30%)
