Accumate

jimbo · Post by **jimbo** » Sun Feb 03, 2013 9:41 pm

How long can I keep an Accumate plugged in and attached to the battery terminals for? Is there an upper limit?

Cheers

James

Sent from my TITAN X310e using Board Express

renmure · Post by **renmure** » Sun Feb 03, 2013 11:06 pm

I confess to having had my Caterham battery connected for about 9 months

No issues

Mikie711 · Post by **Mikie711** » Sun Feb 03, 2013 11:13 pm

Had mine on the Evora for 3-4months now and all OK as far as I can tell. It's a conditioner so only feeds a maintenance charge not on full charge. My alarm doesn't even notice it and the alarm is the reason I use it.

jimbo · Post by **jimbo** » Mon Feb 04, 2013 12:14 am

Ok cool, thanks guys

Just bought one cause I couldn't bear the thought of having to swop out another battery

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Dominic · Post by **Dominic** » Mon Feb 04, 2013 10:34 am

Mikie711 wrote:Had mine on the Evora for 3-4months now and all OK as far as I can tell. It's a conditioner so only feeds a maintenance charge not on full charge. My alarm doesn't even notice it and the alarm is the reason I use it.

Mine is on all the time when the car is in the garage (which is quite a lot in this weather). No probs. As others say, it stops charging when the battery is full.

flyingscot68 · Post by **flyingscot68** » Mon Feb 04, 2013 1:38 pm

I use a similiar type charger on my bikes called an Optimate.
You can leave them on the battery for years nevermind months

Ferg · Post by **Ferg** » Mon Feb 04, 2013 9:13 pm

I take mine off for a week now and again. A friends garage burnt down using a trickle charger so a little paranoia is aloud. lol

j2 lot · Post by **j2 lot** » Mon Feb 04, 2013 10:25 pm

Ferg wrote:a little paranoia is aloud. lol

allowed

Dominic · Post by **Dominic** » Tue Feb 05, 2013 10:53 am

Ferg wrote:I take mine off for a week now and again. A friends garage burnt down using a trickle charger so a little paranoia is aloud. lol

These are not trickle charges. Trickle chargers (AFAIK) slowly gently charge, but keep doing so when the battery is full. The Acumate stops charging when the battery is full.

...(now hopes my garage (& house) don't burn down)

robin · Post by **robin** » Tue Feb 05, 2013 11:16 am

All chargers have voltage and current limits, even ones where that wasn't an explicit design goal. The problem comes when the design fails to enforce a reasonable voltage limit and so tries to pump current into your battery when it is full. To be honest, it is so trivial to make a safe lead acid battery charger that will keep it at somewhere around 50% charge (which is more than enough to restart the car) that I am amazed at the problems these chargers create ... but they do (perhaps because they try to keep the battery at 100% charge ... why?!?).

Cheers,
Robin

Scottish Elises

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