Deep cycle battery to power a charger and charge lipo packs - Page 2 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 07-13-2016, 01:43 PM   #11
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Re: Deep cycle battery to power a charger and charge lipo packs

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Originally Posted by Cougar429 View Post
That's difficult to believe about alternator output at idle. Unlike generators their purpose was to have variable output regardless of RPM based on field strength, controlled by the regulator. Yes, under heavy load there may be some limits on output current, but not as much as you would expect.
Its a very simple test. Check your battery with a volt meter, start the car and check the voltage again at idle. Start turning on your options until the alternator isn't changing the battery anymore. Don't turn on the A/C because you don't want a fast idle. On one of my GM's I only got the headlights and heater on full speed before it was not charging anymore. Cheers Floyd
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Old 07-29-2016, 09:44 AM   #12
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Re: Deep cycle battery to power a charger and charge lipo packs

The Dryden club has some big 6v forklift batteries wired up for 12v, and a couple CT solar panels hooked up to them to keep them charged. They installed a few 'Hobby king' bus bar panels that have sets of banana plugs to plug in chargers. They have a decent amount of electric flyers using this, especially at a fun fly, with no problems.
At our small club, we have an old dump truck battery. It fails a load test. However, it runs a few chargers no problem and with one CT 40watt panel hooked up to it, it keeps it charged up. Every now and then when need be, one of us will bring it home and charge it up.
We now have 3 old batteries to hook up and several donated solar panels.....will be installing onto our shed roof, batteries in shed, HD extension cord buried out to pitt area and on a post will be one of these HK banana plug bars for power. May not be quite right, but it'll work just fine to run a few chargers!
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Old 07-29-2016, 08:20 PM   #13
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Re: Deep cycle battery to power a charger and charge lipo packs

Another source For batteries would be any remote communications facility that depends on battery storage for power. Check hydro, cell phone companies and similar. If windy most of the time another source of regeneration are small wind generators are becoming quite economical . Charging can can take place day or night
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Old 08-06-2016, 01:47 AM   #14
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Re: Deep cycle battery to power a charger and charge lipo packs per my knowledge difference between a deep cycle and a standard car battery of today is the car battery is designed to maintain a much mote constant voltage (kind of like the difference between a123 and nicad batteries )car batteries will work fine if you keep it in is't operating range .but don't take it much below 12.6 ocv. They are designed that way to give stable voltage to the electronics on the car. They will be damaged if cycled to low.

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Last edited by CharlesBose; 08-29-2016 at 12:50 PM.
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