Quote:
Originally Posted by snellemin
That PSU is cool. Nice to have a different option.
But I rather use 24V @ 47A for my chargers. Keeps the power wires cooler and charger happy.
|
I don't have a charger that supports the 24v input, and I'm honestly not going to be going to >6S for a while, so this works fine. I also didn't want to go through the fun of running two PSUs in series with the the possible risks as I'll be carting this power supply to the track and such. There are kids there would would probably find a way to shock themselves pretty good.
Most of the time I'll either be charging two 3S packs at once, or two 2S packs, both 5000mah. So I won't really be using everything the charger can do.
Quote:
Originally Posted by brainanator
does the PSU need that much cooling? You probably aren't taxing it very much at all. Maybe if you want to future proof it for expansion.
Also, depending on how smart the PSU is, it might monitor fan speed and no operate if it senses a failed fan.
http://dx.com/p/mini-1-5-lcd-digital...-x-lr44-126092
That's a little temp display I got from there one time. Only displays in C.
Mines been going for 3 years on the same batteries. Not super thin or high tech, but it's cheap. |
Thats why I'm thinking about replacing the stock twin fans with 4 of these:
http://www.newegg.com/Product/Produc...82E16835426033.
The original fans are something like a this Sunon 60x38mm 8000rpm fan. Its rated at 56dB while the other fans I posted are 23db and are significantly quieter.
It was nice to charge both the 4S and 6S batteries at once and have them charged in about 30 minutes. I say "about" 30 minutes because apparently my 3S LiPos are getting rather old. I ran them down yesterday with the truggy so they'd be near dead, but they recovered to 3.8v which tells me the batteries are just about junk now. They have to be balance charged every time.
Oh well, I've known its been time to purchase new batteries for a while now. The 4S battery is in perfect harmony with each cell, I don't think any of them were more than .01v off from the others.
the 6S battery on the other hand had most of the cells at 4.15v, but one was at 4.02, and the other was at 4.2. So its pretty much junk and only good for the 10TT now due to the 10TT's much less demanding powertrain.