Many has found the benefits of this compact and well performing Imars Dual charger. Those who have bought the charger from the first batch may have noticed that the charger had quite complicated 1S lipo charging and buzzer which indicates that battery is fully charged did not stop beeping before the battery was disconnected. The latest software version (when typing this: 1.0.5) will fix these issues.
Gens Ace has made the updating very easy by offering simple PC software for it. Just download the latest software update here: https://www.gensace.de/support and extract it to your computer.
Before starting the update it is good to do some some basic preparetions. Make sure you have relatively modern PC with internet connection and the USB cable in hand which is included in the chargers accessories and the power cord. Find a good place where you can place the charger so that the USB wire reaches your computer's USB port and you can plug in the power to the charger.