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08-07-2020 02:11 AM  47 days ago
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cyrus44

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teaneck nj

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Battery question
I have a v913 that hasn't been used often lately. I have the generic balance charger Wl toys packaged, as well. Problem is when I charge, the red charger light that turns on when I plug in the battery doesn't go off. I had it plugged into the wall for 3 hours seems never to stop charging, I used a back up ( same type) charger, same thing. does this mean the battery is no good? I flew it today for a few mins it did fly but after 5 mins it just dropped.
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08-08-2020 01:05 AM  46 days ago
shizack

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Aiken, SC USA

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That could indicate the battery is going flat.
If the battery sat unused with a full or near-full charge for more than a couple of days its capacity will diminish rapidly. If your charger doesn't storage charge or display voltage while charging, you should at least invest in a cheap multimeter to check battery voltage and stop charging when the cells reach 3.75 - 3.8 volts each if you're not flying right away.

But yeah, 3 hours is way too long for a lipo to sit on a charger. Sounds like it's time for a new pack or a new charger especially if the battery is getting a bit puffy or squishy.
A soul in tension is learning to fly
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08-08-2020 02:57 AM  46 days ago
Rojoalfa

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Punta de Mata, Monagas-Venezuela

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/
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Well, for this type of heli... v913, you need four packs.

One flying...
One resting and cooling...
One charging...
One ready to fly...

If you don't follow that rule, your pack is going to suffer a lot.

For example, Charging your lipo pack after a flight while your pack is hot, big mistake.
Storing your lipo pack full charge for long period, big mistake.
Flying your heli till your lipo pack can't even move the motor, big mistake.
A lipo pack can give you 60 flights... No more than that.

Dispose your lipo pack and look for fresh new lipo packs.

Four lipo pack.

/
Saludos cordiales,
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