CharlesS:
Yeah, I tried it in multiple slots. For some reason, this unit just doesn’t like the high-capacity batteries. Whenever I put something with around 2000 mAh in it, it works fine. I have no idea why.
This charger is popular on the forum, so I’m hoping that someone else can verify that this problem is not endemic to the model and it’s just my unit, in which case I can figure how to send this in and replace it with a new one.
The Opus does a good job of charging and testing, but that fan is too loud even when it’s working properly, and I can’t sleep. And then the fan on the unit I got doesn’t always work properly; if I put it through a sufficient amount of stress, it starts making noises that sound like an angry cat.
Here is your solution for your Opus[loud] fan!! Mine was not that loud. I just wanted a better fan to improve cooling which in turn gave more accurate readings.
First I want to thank speaker_joe for donating the Delta fans, Dale[DB Custom] for splicing the Delta fans with the proper plug and donating his skill and time. Also HKJ who spent several hours with me Three weeks ago in determining whether the Opus Transistor was capable of handling the wattage of the Delta fan.Without their help and input this thread would NOT exist.
One of problems I was having with a few Opus chargers is during discharge cycle w/ 4 X 18650 3400mAh batteries, the charger wou…