Hyperion 720i power supply

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01-08-2010, 08:52 PM

#16

DraftDriver

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Quote:

Originally Posted by JAM MaxAmps

If your power supply isn't giving enough power for the chargers you'll see a lower charge rate. If it's really underpowered you'll get an input voltage error. As for what Hyperion uses to test with it's likely an industrial power supply of sorts. This is a company that started in the RC plane side of the hobby so I highly doubt they are using a power supply that a racer would be using.

Jason

Will it take the same amount of time to charge a 5200 24C 7.4 Lipo as it does a 5200 50C 7.4v lipo? My 5200mah pack is taking about 30 - 35 minutes with the balancer connected, does that sound about right?

01-11-2010, 12:08 PM

#17

JAM MaxAmps

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C rate has no affect on charge time.

Jason

01-12-2010, 10:55 PM

#18

DragonFireSG

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Hi Jason,

Maybe you can offer some advice on this.

I managed to get a used 1kw telco power supply that throws out -52V.

The +ve terminal is essentially at 0v and the -ve terminal at -52.

The potential difference should thus be +52V if I run the circuit in reverse.

Now I am not familiar with negative DC supplies of this power level, and documentation so far has been sketchy.

Is there anyway I can get this to safely run a pair of 720 or 0615 chargers in series?

Thanks,
DF

01-14-2010, 07:36 AM

#19

Thrashin Bashin

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I just picked up one of these chargers and a 4S 5250 pack.

When using this charger connected to a car battery (deep cell battery I use just for at the track) what is the maximum charge rate I can use? I keep seeing that you can do 1C off a car battery, but can you do 2C safely?

01-14-2010, 10:11 AM

#20

JAM MaxAmps

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Quote:

Originally Posted by Thrashin Bashin

It all depends on if the battery can supply enough out put power to sustain a 2C rate. Try it and see what happens the worst thing will be you won't see the 2C rate but more likely a lower rate.

Jason