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07-24-2012 04:33 AM  8 years ago
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rrNovice

Salisbury, MD USA

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trex 700 e batterys
was flying my 700e this weekend mild 3d . useing gen-aces batterys 5300 35c . normaly fly for 5 mins but after 2.5 mins starting loosing power . thought that was odd , was all good last time . landed heli an was taking off the canpey notis an a smell . after looking in to it an after removing the batterys .notis that one batterys was weat an spelled not so good . blew two cells out of the battery # 3,4 had a hole in the side of them. was lucky that it didn t start a fire.. batterys had about 30 to 40 cycles on them. batterys where charged on an i charger always at 1c charge rate . any answers what could of happen an why??? thanks an happy flying.......
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07-24-2012 09:25 PM  8 years ago
Richardmid1

rrProfessor

Leeds, England

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Did the cells get punctured somehow in the heli?60% of the time, it works every time!
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07-25-2012 01:08 AM  8 years ago
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rrNovice

Salisbury, MD USA

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batterys
no the cells on the battery blew . everything else fine.
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08-20-2012 05:27 AM  8 years ago
Louisiana Helicam

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West Monroe, LA

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I had the same thing happen with two sets of them a month or so ago.www.louisianahelicam.com
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08-20-2012 07:32 AM  8 years ago
Richardmid1

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Leeds, England

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I don't know which icharger you have but the older ones would slowly go out of calibration on the balancing and needed recalibration every so often. Almost cost me a couple of packs till I found out!60% of the time, it works every time!
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08-20-2012 07:51 AM  8 years ago
Richardmid1

rrProfessor

Leeds, England

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iCharger User Calibration
The iCharger has been calibrated before entering to the markets, but if the users find that there is too much deviation, you can calibrate it as the following items:
These steps are suitable for 1010B+, 1010B, 106B+, 106B, 208B,306B and 3010B, but only useful for 3.09 version and further version in the future.
Before calibration, you need prepare:
 battery pack (the individual voltage ranges from 3.9-4.2V)
3010B,1010B(+)……10s 306B,206B106B(+)……6s 208B……8s  412 Digital Multimeter
 Steadily 12V input power supply
Calibrating steps:
1. Press <Stop><Dec><Inc><Start> these 4 buttons together, then electrify the iCharger; loose the buttons when hearing 3 beeps from the buzzer.
2. Connect the battery to the iCharger charging port and the balance port.
3. After starting the charger, hold <Stop> button for 3 seconds to the monitor interface.
4. Press <Inc> or <Start> button to choose your "need-to-be calibrated" voltage screen, then hold <Dec>< Inc ><Start> three buttons for 3 seconds at the same time to calibration state.
5. The "need-to-be calibrated" voltage begins blink (the voltage value and the calibrate value showed on the screen alternatively). At this time, you can calibrate the iCharger by the value your digital multimeter reads, pressing <Inc> to increase and <Dec> to decrease. Press <Start>, then you can switch the calibrated voltage; press <Stop> to quit from calibration state. The step 3 and 4 can be repeated several times to calibrate all the voltage.
6. Press <Stop> to quit and if you need to calibrate next time, you need begin from the 1st step.
Warning:
1. When calibrating, you need clear the voltage source.
2. Step 1 and 2 cannot be in reverse order.
3. If the user calibrates it in a wrong way, which damage the battery or cause other serious danger, our company will be of no responsibility.
Note:
“Vo” calibration
Use these 2 points of calibration method, to ensure voltage can be well calibrated:  Connecting nS batteries,and calibrate ”Vo” first。
(3010B,1010B(+): n=10 306B,206B,106(+):n=6 208B:n=8)  Then connection 3S(11-13V) batteries,and calibrate ”Vo”。
60% of the time, it works every time!
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