Battery Cycling

Gramps

Gramps

Well-Known Member
I had been charging the batteries for my Blade Nano QX 3D with the Imax B6 Mini using a parallel board. The parallel board went bad so I replaced it. While waiting for it's replacement I have been charging with the stock charger. I started noticing my flights times were less, 1.5 min to 2 min. One of the batteries is the eFlite that came with the 3D the other 2 are Vemon Fly 250 mAh. Getting about the same flight times on all 3 batteries. The eFlite has 62 flights on it, the Vemom Fly batteries have 10 each on them. I can see where maybe the eFlite is becomming worn out but the other 2 should be nowhere near worn out.

I'm thinking when the the new parallel board arrives I will discharge then using the Imax then recharge them. Hopefully this will put some life back in them.
 
The parallel board showed up so I'm using the Imax again. So now the are 4.20v at the end of the charge. The internal resistance was in the 80's for all three of them.
 
What are you guys using for chargers? I'm looking for for one that I can use all around, 1 to 7 cells, variaty of connectors and able to charge more than 1 battery at a time, also would like for it to be able to preform battery maintance, any such animal?
 
I'm using the Imax B6 Mini at the pressent time, all I have are 1S at the present time but knew when I bought it that one of these days I would have multiple cell packs. It will do from 1-6S and has the balancing port. It charges, fast charges, balance charges, discharges. The 1S you can do multiple packs with a parallel cable 2-6S. I have heard at a certain point it takes a long time to do the bigger cell packs but I have no experience with them.

A true SkyRc Imax B6 Mini will run you about $45 the cheaper ones are knock offs
 
The imax needs a power supply does it not?
I use the thunder ac680 which is ac/dc self powered 80watt balance charger. Maybe $10 more than the imax but more convenient i guess.

Btw how do you determine the internal resistance. The imax gets that for you?
 
B3Master said:
The imax needs a power supply does it not?
I use the thunder ac680 which is ac/dc self powered 80watt balance charger. Maybe $10 more than the imax but more convenient i guess.

Btw how do you determine the internal resistance. The imax gets that for you?
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Yes it does require a power supply, got mine as a kit with power supply.

The Imax does give you the internal resistance. I'm guess less is better but can't say for sure. It will also give you the volts of a pack. I think it can give you the voltage of each cell in a multi cell pack.
 
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