As the title shows I purchased a Hyperion 0720I Ac/Dc. I also bought some 2c 7.4v 5000mah lipo batteries from hoobypeople. I'm new to Lipo and trying to make sure I have the charger setup correctly to avoid any fires.

I have setup the hyperion for the 7.4v lipo and 5000mah, but the manual with the charge is confusing me regarding the setting for the "Charge Current" it ask for it in amps.

The manual for the charger reads like this " CURRENT is set in Ampere (At charge current screen), so divide mAH by 1000 to get Amperage. For 700 mAH, current is 0.7A for 1c, up to 1.4A for 2c etc. For an 1800mAH pack then, 1.8A for 1C and 3.6A for 2C and so on."

My batter says to not exceed 1C or 3C on a balanced charge.

So if I'm reading the directions correctly I can run 5 amps at a 1c charge rate or if i balance charge then 15amps at 3c, correct?

7.4v 5000mAh 2c lipo

C=5A

Here is a site that will help with the basic stuff with Lipo. If these are new batteries I would break them in. Some people say you don't have to with Lipo but I feel if you do you will get more cycles out of your packs. The first three or four charges don't charge at the full c rating for example above don't charge at 5amps, charge at 2.5amps. Also don't run them down till the LVC is activated, stop way before that happens. These little tips will just help condition a new battery and help provide more cycles.

http://sites.google.com/site/tjinguy...the-variable-c
http://www.rchelicopterfun.com/rc-lipo-batteries.html

PS I would get a cell checker ( something to check the voltage in the field with a lipo).

Thank you for the reply and all of the great info.

Speaking of LVC the mamba max esc manual says to set it at 6 volts for a 2s lipo, does that sound right?

Last I was kind of freaking out, because the battery is a 7.4 volt but when it was done charging it showed 8.2 or 8.4 volts I believe is this normal? I had the charge set to 2s lipo 7.4v 5000mah and charge rate of 2.5amps. So I'm not sure if this is normal or not. The charge did signal when it was finished.

Most company's set the LVC at 3.0v but if it will let you set it at 3.2v that would be better. I would time your runs and after see how much mAh you have to put back in to the battery. You should get into the practice of knowing when to stop before the LVC is activated, keeping the LVC as a back up safe guard.

4.2v is full capacity per cell with lipo. So with a two cell lipo the charger should balance charge to 8.4v

This little device is very helpful on knowing were your voltage is on your lipo packs.
http://www.commonsenserc.com/product...esjcdkfds9nf42