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02-23-2010 02:38 AM  10 years ago
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RaptorMan23

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Sioux City, IA

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2s lipo question
Battery is a 2s 7.4v 800mah battery, just did a few tests

battery after charge was 8.42 volts I think
After it went into failsafe it was 8.02 volts

The battery is only 3 weeks old, what should about rock bottom be??

Its failsafing in a friends blade cx after 2min and 34 seconds
If you only have to bend over once to pick it up it's a good landing.
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02-23-2010 02:44 AM  10 years ago
Heli 770

rrProfessor

USA.

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Around 7.60 volts, that's with leaving 160mAh left in the pack for the 80% rule.
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02-23-2010 02:50 AM  10 years ago
RaptorMan23

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Sioux City, IA

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What should be the top end? after a hot charge? Im being told no more than 8v, that doesnt sound rightIf you only have to bend over once to pick it up it's a good landing.
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02-23-2010 02:53 AM  10 years ago
Heli 770

rrProfessor

USA.

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8.40 volts.
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02-23-2010 03:11 AM  10 years ago
rrpech

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Sgt. Bluff, Ia USA

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Hot charges will cause puffing in the packs and a low life span for the battery. Good luck.
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02-23-2010 03:17 AM  10 years ago
RaptorMan23

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Sioux City, IA

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How is that hot charging lol?? Its a factory peak chargerIf you only have to bend over once to pick it up it's a good landing.
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02-23-2010 03:30 AM  10 years ago
rrpech

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Sgt. Bluff, Ia USA

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do you know what the amp draw is??? That might help!!!
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02-23-2010 03:31 AM  10 years ago
RaptorMan23

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Sioux City, IA

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.65aIf you only have to bend over once to pick it up it's a good landing.
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02-23-2010 03:35 AM  10 years ago
rrpech

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Sgt. Bluff, Ia USA

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ok so you are drawing 4.81 watts of power. Do you know what the motors can take for watt power?? Also what is the C rating for the batterys
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02-23-2010 03:44 AM  10 years ago
RaptorMan23

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Sioux City, IA

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10 c batteryIf you only have to bend over once to pick it up it's a good landing.
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