Charger settings - RC Groups
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Mar 25, 2012, 11:47 AM
Registered User

Charger settings

So my charger has settings for both balance and charge, is there a difference between the 2 settings? Also i would like to know what the safe current is for charging a 10C 1250mah battery pack? Is there a fairly standard % of mah that everyone charges their batteries at?
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Mar 25, 2012, 11:59 AM
Surface, Air & Water Rc Toys..
freechip's Avatar
The difference between Balance and Charge is very simple.

Balance = The charger charges the battery while monitoring each cell of the pack ensuring each cell are equal and within lipo voltage specs of 4.2v when fully charged.

Charge = The charger charges the battery while only monitorng the total voltage and ensuring the total voltage does not exceed proper lipo voltage. 8.4v for 2S / 12.6v for 3S and so one. The problem with this is if the cells are not balance properly the pack can end up with cells much higher then 4.2v with some not fully charge. This is a good way to ruin cells on a pack thats not properly balance.

Most manufacturer recommendations are 1-2C charging which for your 1250mah pack a 1C charge rate is 1.250A or 1.2 or 1.3 amp since most charger will not go beyond first decimal. When properly balance you could also charge at 2C or in your case 2.5A

You should really be looking at the top of this thread and read up on lipo and lipo charging.
Mar 25, 2012, 12:07 PM
Registered User
So based on ur post any current up to 1C is safe for charging regardless of the battery? And its allways best to charge on the ballance setting when ever possible?
Mar 25, 2012, 12:59 PM
Surface, Air & Water Rc Toys..
freechip's Avatar
1C is 1 times the Capacity.

Your pack is 1250mah or 1.25A pack. so charging at 1C is 1.25A but most chargers do not do this you can only select 1.2 or 1.3 either is fine.

If you had a 5000mah pack then you would be charging at 5a for 1C or 10a for 2C

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