Interesting, if it is the same as this: http://www.hobbycity.com/hobbycity/s...rger_System_6S I have one and use it from time to time on some lipos. I have used it to balance packs, not very quick, but it will get the job done. I like the large screen and the individual voltages are nice to see all at once. A bit cheaper from HC as well.
How close is the tolerance between channels? Yeah, the meter might say it's right on, but that depends a lot on the other components. Could you post the error between the displayed voltage reading and a reading made with a multi-meter? Pretty please?