I agree the Hyperions are generally good chargers, but the documentation is a little weak at times. The 606 I have didn’t come with any manual, or instructions to download even.

Despite that I have looked at the Duo as we are considering E 1/8 scales. In several places on their site and the manual it says that each port is limited to 180w, no indication of an ability to go above that even for one at a time that I can see. Which could be an attractive feature, despite largely defeating the dual charger aspect.

For what little it’s worth, 333 watts would only cover the 3.7v nominal cell voltage, 378 is required to maintain the 15 amps up to the full voltage of 4.2 per cell for a 6s.

Thanks for the info.