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Whats the first thing you do after a run with a Lipo Battery

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Whats the first thing you do after a run with a Lipo Battery

Old 12-04-2022, 05:32 PM
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Default Whats the first thing you do after a run with a Lipo Battery

Pretty new to lipos and curious what you guys do after a run.

I picked up a used trophy rat with 3 batteries. 1 is a
Awanfi 2s 7.4 V 60 C 5000mah battery. Still had some charge left in it
The others are a
Gens Ace 2s 7.4v 50c 5000mah, &
Gens Ace 3s 11.1v 50c 5000mah that needs a connector.

Figured I'd test the truck out with the battery that was in it as it still had some charge left on it.
I ran it till it stopped. Is it recommended to run the truck till the truck stops and battery has no more power?


I have a duratrax intellipeak ice charger with a radio shack power supply 13.8v 25 amp

Also have a Common Sense balance pro which I connected to the battery after the truck stopped. The voltage is around 3.5 each cell.


If I want to store the battery after a run should I recharge or just leave it as is?

If you wanted to run a 2nd run how long should ya wait before recharging in cold temps such as todays high of 37 degrees?


Old 12-04-2022, 07:55 PM
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Originally Posted by spiderxx
Pretty new to lipos and curious what you guys do after a run.

I picked up a used trophy rat with 3 batteries. 1 is a
Awanfi 2s 7.4 V 60 C 5000mah battery. Still had some charge left in it
The others are a
Gens Ace 2s 7.4v 50c 5000mah, &
Gens Ace 3s 11.1v 50c 5000mah that needs a connector.

Figured I'd test the truck out with the battery that was in it as it still had some charge left on it.
I ran it till it stopped. Is it recommended to run the truck till the truck stops and battery has no more power?


I have a duratrax intellipeak ice charger with a radio shack power supply 13.8v 25 amp

Also have a Common Sense balance pro which I connected to the battery after the truck stopped. The voltage is around 3.5 each cell.


If I want to store the battery after a run should I recharge or just leave it as is?

If you wanted to run a 2nd run how long should ya wait before recharging in cold temps such as todays high of 37 degrees?
The ESC should have a "Low Voltage Cutoff" circuit built in that "should" shutoff when the pack's voltage reaches around 20% capacity.
But the LVC is not accurate and it's too easy to run the battery much lower than 20% capacity, and that is the best way to quicky ruin a pack.
So, don't run the battery until the truck stops. Use a timer or a LiPo low voltage alarm.
The best is to use an alarm (find them on Buddy RC). The alarm will start to beep loudly when any one of the two or three cells in the pack reach (around) 3.3v. This will help you avoid damaging the pack due to over discharging.

You should avoid leaving a pack at its 20% (or lower) capacity for very long - 24 hours is about the limit.
If you plan to run the battery the next day, go ahead and charge it to 100% when you get home.
But, if you're not sure when you'll run it next, then when you get home charge up to 50% to 70% capacity. Then, you can top it off before you run it again.
Storage voltage is not a precise voltage - but anything between 40% and 70% is good enough.
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WildOtter (12-05-2022)
Old 12-06-2022, 04:50 PM
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Originally Posted by ticedoff8
The ESC should have a "Low Voltage Cutoff" circuit built in that "should" shutoff when the pack's voltage reaches around 20% capacity.
But the LVC is not accurate and it's too easy to run the battery much lower than 20% capacity, and that is the best way to quicky ruin a pack.
So, don't run the battery until the truck stops. Use a timer or a LiPo low voltage alarm.
The best is to use an alarm (find them on Buddy RC). The alarm will start to beep loudly when any one of the two or three cells in the pack reach (around) 3.3v. This will help you avoid damaging the pack due to over discharging.

You should avoid leaving a pack at its 20% (or lower) capacity for very long - 24 hours is about the limit.
If you plan to run the battery the next day, go ahead and charge it to 100% when you get home.
But, if you're not sure when you'll run it next, then when you get home charge up to 50% to 70% capacity. Then, you can top it off before you run it again.
Storage voltage is not a precise voltage - but anything between 40% and 70% is good enough.

Much thanks for the info and the recommendation of the alarm. I will have to check into getting one.
Any recommendations on whats good?
Old 12-15-2022, 09:51 PM
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test the voltage for each cell, is it balance?
Old 12-18-2022, 10:51 PM
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Originally Posted by spiderxx
Much thanks for the info and the recommendation of the alarm. I will have to check into getting one.
Any recommendations on whats good?
Buddy RC has a couple to choose from.
Just keep is basic.
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cyclops2 (12-19-2022)

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