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HomeRC & PowerAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › Li Poly battery care
02-09-2008 06:39 AM  10 years agoPost 1
jolio55

rrApprentice

Tucson,AZ USA

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Just bought my first heli and will be using Li Poly batteries for the first time just had some questions...

How long should it take to charge my 11.1V 1800mah battery and is it bad for the battery to sit with a full charge for any amount of time?

Any tips you guys and gals have for a noob would be appreciated, thank you!!

-Joel

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02-09-2008 06:50 AM  10 years agoPost 2
Blik

rrApprentice

Ontario North

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What charger are you using and what make of Lipo is it?

If you have a good charger with balancer then you can charge at 3C but not the greatest for the overall life of the Lipo. Charging at 1C is safe but make sure you use a balancer because it will extend the life of the Lipo.

If you are not using the lipo for a while it is better to keep them at storage voltage which is 3.85V per cell and store in a cool dry place.

Cheers
Blik

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02-18-2008 03:46 AM  10 years agoPost 3
jolio55

rrApprentice

Tucson,AZ USA

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Right now I just have a regular E-sky charger and battery. What would be the best upgraded charger for charging multiple li-pos??

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02-18-2008 08:26 AM  10 years agoPost 4
Blik

rrApprentice

Ontario North

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I would recommend the ThunderPower 1010C charger. It will do from 1-10 Lipo cells, and you can update the firmware via a download.(with seperate USB programming cable)
The newest V2.3A firmware allows you to charge NiCd, NiMH, Pb (lead-acid), and A123 batteries. If you are serious about electric helis then this would be the safest and all around charger to own. To keep you Lipos in good shape it would be wise to also purchase a 205 or 210 balancer.

Cheers
Blik

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02-18-2008 02:14 PM  10 years agoPost 5
frebou

rrKey Veteran

Montreal / Canada

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TP1010 would be an excellent choice of upgrade.

That being said, for the moment, the basic charger you have will be just perfect to start with.

Just plug it in and wait for the led to come (or whatever the instruction says)

It will stop charging when full, so no need to worry about letting it plugged too long. But don't leave them unatended like "I'll plug them before going to bed" just because you know it SHOULD turn off automaticcaly.

It should take about 1 to 1.5hour to charge your pack. Don't drain them too much though! You could damage them.

Only problem with those charger is that you have no idea of how many mAh you put back into the pack... and thus, how many did your flight took. With a better charger, (like tp1010) you would now how much that 6 minutes flight has taken out of your pack and thus, know wether you can make it to 6.30-7 or if you would be better stepping down to 5.30 minutes

Also, be aware that you will need an adaptor for this esky pack to plug into the TP balancer as they do not have the same plug.

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