Also, always when charging, remember safety.
There can be explosive vapours from the battery and accidents.
Maybe it is better to assembly the minus-terminal of the charger to the ground
- not direct into battery minus-pole to avoid possible sparking.
When helping with other battery, I connect plus-terminal cable first to the weak
battery then to the strong battery. After that, minus cable to the strong
battery
(helper) and finally to the ground (metal part of the engine far away from
the battery).
In this country it is almost everyday task to help somebody with battery in the
winter-time. Also planes on the frozen lakes.
Wishes,
Raimo Toivio
OH-XRT, OH-CVK, OH-BLL
----- Original Message -----
From: Fred Fillinger <fillinger@ameritech.net>
Subject: Re: Battery Charging
> What you have there is fine. For a few bucks more ($20 at a Target
> store here), there's a little "maintainer" that pulses current into
> the batt and flashes a LED. Long time between flashes means
> approaching full charge, and eventually stops until some discharge
> occurs again.
>
> Regards,
> Fred F., A063
>
> >
> > Martin
> >
> > Good you ask about trickle charging. I am now working on a charger for Bob;'
> > Europa, Beep Beep, that will do just that.
> >
> > We picked up a 600ma plug in the wall 12 volt charger. I tested it with a
> > multimeter and it does charge around 1/2 amp when the battery is down. That
> > would be OK for a overnight "kick" but too much to leave on for weeks at a
> > time. I am installing a 30 ohm resister in series with the charge line to
> > the battery to reduce the charge rate to 50 or 60 ma. I think this is much
> > better for long term use. The voltage on the battery with the trickle should
> > be not more than 14.2 volts. I will be happier with 13.8 volts. It voltage
> > depends on the battery and the temperature.
> >
> > I hope this helps. Use this info with your desecration, it comes from my
> > experience, not an engineer degree.
> >
> > Have fun
> > Cliff Shaw
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