Recent content by jsoar

I built the TTpacks charge controller kit but ran into a question as I was getting ready to attach it to one of my pair of Meanwell S-350-36 PSUs. The S-350-36 pc board looks a little different from the photo in the instructions, in the area where the “2.48V Sense” wire connects to a...

Hi Gary, thanks for the reply. A couple of issues with my set-up: My 18S charger shuts off automatically right at 75.6 Fluke volts. So with a 0.03 volt or more delta, some cell groups have gone over 4.20 volts to around 4.22 before it shuts off. Then there is a distinct possibility some cells...

Over the last few months of reading this great forum, and trying various items mentioned here, I wonder about the voltage accuracy of their readouts. I have a couple of Icharger 106b+, a couple of Turnigy 8S chargers, 3x Battery Medics, and just got 3x Cell Log 8S's. I bought a Fluke DVM to try...

Thanks for the replies. Since I already have the chargers and don't want to take a chance of smoking them, and I need a full charge every time for take-off, and there will be a rather deep discharge every flight, I'm leaning towards El_Steak's suggestion of paralleling them and plugging in the...

A question: I have made a couple of short flights in my ultralight airplane powered by a PERM PMG-132 motor, with a Kelly controller set to 200 amps max, and a battery pack made up of 21 Zippy Flightmax 5000 mAh 6S1P 30C units, 3 in series, then 7 of the strings in parallel, connected by a...