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1. 08:26 PM - Dead battery (Dennis Wright)
2. 08:35 PM - Re: Dead battery (Charlie England)
Message 1
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Trying to figure out if I have an issue with my electrical system in my sonex or
just bad luck. Have had multiple battery failures. Here's the situation. Battery
is an odyssey pc625. , 12 volt. Engine is an Aerovee 2180. First flight
was in December 2015. Battery at that time was about 2.5 years old. During
the time before first flight had to charge batter several times due to minimal
use. After about 5 hrs of flying started experiencing a dead battery. Would
charge, fly, and next day battery would be dead again. Figured it was due to age
and fact that battery had sat uncharged for prolonged periods. Replaced battery.
After about 15 hrs flying time (about 3 months) on new battery, went dead.
Tried to charge but would not hold a charge. Had battery tested and showed
that it had a bad cell. Replaced battery. After about 25 hrs (about 3 months),
another dead battery and will not hold a charge Each time everything is
working perfect one day and dead the next. Not blowing any fuses, no smoking
wires, system voltage is showing 13.5 volts when I'm flying. Have not checked
to see if there is a load on the battery when the battery solenoid is open
but do not have anything connected on the battery side of the solenoid so unless
the solenoid is bad, shouldn't have any load when off. Would appreciate any
thoughts on what the problem might be or where to start to figure it out.
From: Dennis Wright
Message 2
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| Subject: | Re: Dead battery |
On 7/5/2016 10:26 PM, Dennis Wright wrote:
>
> Trying to figure out if I have an issue with my electrical system in my sonex
or just bad luck. Have had multiple battery failures. Here's the situation.
Battery is an odyssey pc625. , 12 volt. Engine is an Aerovee 2180. First flight
was in December 2015. Battery at that time was about 2.5 years old. During
the time before first flight had to charge batter several times due to minimal
use. After about 5 hrs of flying started experiencing a dead battery. Would
charge, fly, and next day battery would be dead again. Figured it was due to
age and fact that battery had sat uncharged for prolonged periods. Replaced
battery. After about 15 hrs flying time (about 3 months) on new battery, went
dead. Tried to charge but would not hold a charge. Had battery tested and showed
that it had a bad cell. Replaced battery. After about 25 hrs (about 3 months),
another dead battery and will not hold a charge Each time everything
is working perfect one day and dead the next. Not blo!
> wing any fuses, no smoking wires, system voltage is showing 13.5 volts when
I'm flying. Have not checked to see if there is a load on the battery when
the battery solenoid is open but do not have anything connected on the battery
side of the solenoid so unless the solenoid is bad, shouldn't have any load when
off. Would appreciate any thoughts on what the problem might be or where
to start to figure it out.
>
> From: Dennis Wright
13.5v isn't enough to charge the battery.
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