Hey, does anyone know what the most powerful, relatively compact and quiet chargers are? I'm presuming it'd be of SMPS technology, but can't think of any particularly powerful ones.
I'm wondering because it'd be quite cool to pop into the library/coffee-shop/etc. and charge your portable battery in 30 minutes and be on the road (My lipo battery is in a laptop case so I can carry it around). Would make those long-distance journeys a lot more feasible, with the greater amount of charging opportunities you'd have with a quiet charger. (I'm not charging my batteries with the noisy fan on my RC balance charger in the library, lol.)
Here's a few ideas, a little on the expensive side, though.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817151099
Just put two of these 400w fanless badboys' 12v outputs in series, and you have something like 800watts of 24volt charging power for 6s lipos. So, it's totally possible to have quiet high-power charging, just costs a cool ~$250. (Which is pretty cheap compared to how much my 50watt charger cost me, watt-per-watt. Lab power supplies are much more expensive, too.)
Wonder if you could parallel 24v laptop power supplies on ebay? Maybe one could parallel 10 of those laptop power supplies to get 700 watts of quiet charging power, total cost being $120ish. Might have to use a diode, hmmm... (Of course, maybe the power supply comes with its own internal diode?)
http://www.ebay.com/itm/15V-24V-65W...=Laptop_Adapters_Chargers&hash=item27c7bf844a
Still looking for more ideas, possibly cheaper ones if possible. Maybe ones with an adjustable voltage output for fine-tuning, and not just stuck at "24v" [When they say 24v, I'm not sure if they really mean 24.6v or what for the float voltage] (You could pair these chargers up with a methods lipo protection unit for quick, easy and safe bulk charging. I'd, personally, just watch the charging with a voltmeter but some may not feel so comfortable with that setup, lol.)
I'm wondering because it'd be quite cool to pop into the library/coffee-shop/etc. and charge your portable battery in 30 minutes and be on the road (My lipo battery is in a laptop case so I can carry it around). Would make those long-distance journeys a lot more feasible, with the greater amount of charging opportunities you'd have with a quiet charger. (I'm not charging my batteries with the noisy fan on my RC balance charger in the library, lol.)
Here's a few ideas, a little on the expensive side, though.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817151099
Just put two of these 400w fanless badboys' 12v outputs in series, and you have something like 800watts of 24volt charging power for 6s lipos. So, it's totally possible to have quiet high-power charging, just costs a cool ~$250. (Which is pretty cheap compared to how much my 50watt charger cost me, watt-per-watt. Lab power supplies are much more expensive, too.)
Wonder if you could parallel 24v laptop power supplies on ebay? Maybe one could parallel 10 of those laptop power supplies to get 700 watts of quiet charging power, total cost being $120ish. Might have to use a diode, hmmm... (Of course, maybe the power supply comes with its own internal diode?)
http://www.ebay.com/itm/15V-24V-65W...=Laptop_Adapters_Chargers&hash=item27c7bf844a
Still looking for more ideas, possibly cheaper ones if possible. Maybe ones with an adjustable voltage output for fine-tuning, and not just stuck at "24v" [When they say 24v, I'm not sure if they really mean 24.6v or what for the float voltage] (You could pair these chargers up with a methods lipo protection unit for quick, easy and safe bulk charging. I'd, personally, just watch the charging with a voltmeter but some may not feel so comfortable with that setup, lol.)