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Message started by residualsilver on 09/17/12 at 09:41:47

Title: battery
Post by residualsilver on 09/17/12 at 09:41:47

I got desperate last night and jumped my bike using a car.... got it home now it wont turn over....battery reads 10.3 is it fried? How are those mini batteries? how long do they last? is there anything extra i have to do to get them rigged in?

Title: Re: battery
Post by justin_o_guy2 on 09/17/12 at 09:57:11

You gotta get a full charge on that thing. I know its a pain, but puling it to check the water makes it easy to take it & have it tested,Theyll charge it, hard & fast, maybe thats not good, IDK, Mite be a great day for buying a small charger,,not a float charger, a battery charger,

Title: Re: battery
Post by verslagen1 on 09/17/12 at 11:24:22

Well the battery is certainly discharged.
whether it's fried or not can't be determine till after a good charge.
make sure it's filled with water and charge it overnight.
should be over 13v right after taking it off the charger.

Title: Re: battery
Post by Cavi Mike on 09/17/12 at 16:46:54

10.3 is critically low, a lead-acid battery typically won't recover from being discharged that far. Also, replacing the battery isn't going to fix what's draining it. There's an underlying problem. Either the battery isn't charging when the engine is running or something is draining it when the engine is off, the battery isn't the problem. Don't replace it until you've found the problem.

Title: Re: battery
Post by bill67 on 09/17/12 at 17:46:39

How old is your battery?

Title: Re: battery
Post by justin_o_guy2 on 09/17/12 at 23:37:31

Key off,, Ohm meter set to Ohms, battery out of circuit, connect ohm meter to battery cables.

Should read Infinite Resistance.

Or, battery charger connected to one battery cable, test lite connected to other side of charger, then to the cable, If the lite lites, theres a load on the battery even when the key is off,

That may need reworded,, anyone is welcome,,

Title: Re: battery
Post by Arnold on 09/18/12 at 08:29:07

You may have voltage but no crank power also, may have a bad cell. You can bring you battery to your local auto part store for free testing.

Title: Re: battery
Post by residualsilver on 09/18/12 at 21:37:11

battery was D E A D.... had to use all my tips to buy another..... thanks for all the input though got a charger out of it as well.

Title: Re: battery
Post by justin_o_guy2 on 09/18/12 at 22:18:10

They die like that allrite,,

Title: Re: battery
Post by Cavi Mike on 09/19/12 at 01:44:34

Make sure you find out what's draining it or you're gonna be really mad when you ruin your brand new battery.

Title: Re: battery
Post by Routy on 09/19/12 at 04:27:38

7557405F7B5F5D53360 wrote:

True, 10 volts is critically low, and in a theory does permanent damage, but to say it won't recover ? Fact is most will !

And to say the battery isn't the problem ? I read no evidence of that.

Title: Re: battery
Post by Cavi Mike on 09/19/12 at 05:58:09

If you only ride in warm weather and your bike always fires right up, sure, the battery may hold up after being damaged from being discharged that far. I wouldn't want to try it on a cold morning on a finnicky bike. A couple failed starts and that battery is gonna be flat.

Second, even a completely ruined battery will still show upwards of 12v, especially after you just got off the bike, but 10.3v? Never. Something drained that battery or it simply wasn't being charged. That's proof to me.

The only other thing that may be wrong is all of the water evaporated from the battery but that usually only happens if someone left it on a battery-charger on one of the "charge" settings for a couple days or more.

Title: Re: battery
Post by residualsilver on 09/19/12 at 10:22:10

got it down to the rectifier, had a friend look at it says something was wrong between the connections... worked on it for a few hours and seems like the battery is giving stable output now... ty

Title: Re: battery
Post by LouSiana on 09/19/12 at 12:21:33

abt. 10 Volts on a battery for a short time (max. one day or so) won't ruin it that quick. But say good-bye to it if it has to last more than a week that way.

If something was wrong with the connectors, that IS a reason the battery voltage is used up quite soon.

Keep the battery in mind, make some tests next days, quite possivble that it has recovered fully.