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Message started by rl153 on 08/10/24 at 16:32:19

Title: Battery
Post by rl153 on 08/10/24 at 16:32:19

I think I need a new battery, its six years old, reading 12.5 volts, big crank, but the starter clicks or turns slow. Probably need a new battery?

Title: Re: Battery
Post by ThumperPaul on 08/13/24 at 15:09:42

I would agree. 6 years is a good run for a standard battery or AGM.

Title: Re: Battery
Post by Dave on 08/14/24 at 04:02:53

More important than what the batter reads at rest - is what it reads while the starter is running and placing a load on the battery.

Lead Acid wet well batteries often give you a warning when they are getting old and used up - they slowly lose their capacity. The starter turns slower and for shorter periods of time......then one day they just can't do it anymore.

Absorbed Glass Mat (AGM) batteries are less forgiving most of the time. They work fine for years - then all of the sudden they are done. This failure can happen as you get ready to head out on a ride - or it can happen when you are out on a ride and a long way from home. When they fail you likely can ride home if you get the bike jumped - make sure the jumping battery does not have the engine running as the alternator can ruin your ignition system.

I have no idea how/when Lithium batteries fail, :-?

Title: Re: Battery
Post by ThumperPaul on 08/14/24 at 04:11:38

Good info, Dave! I think the litium batteries just randomly explode and create a fire that’s difficult to extinguish. 8-)

Title: Re: Battery
Post by rl153 on 08/14/24 at 09:58:01

Thanks guys, I ordered a new big crank. I believe you are right!

Title: Re: Battery
Post by ThumperPaul on 08/14/24 at 10:59:47

After 6 years, you owe yourself and your bike a new battery!! You deserve it! I like the solid terminals on the Big Crank. Made in the USA!

Title: Re: Battery
Post by rl153 on 08/14/24 at 11:03:08

Thanks, iI checked my records, it's actually 7 years old.

Title: Re: Battery
Post by stewmills on 08/15/24 at 07:16:03

I have had great success with big crank AGM and the quality you get for the $$. I usually replace around the 4 year mark just to be ahead of it and keep the old ones in use or charged for things that don't leave the yard.

Title: Re: Battery
Post by rl153 on 08/15/24 at 07:35:38

Good idea, It took me by surprise the wife and I were all dressed to go for a ride. No warning signs. It just quit.

Title: Re: Battery
Post by Dave on 08/16/24 at 04:28:31

464F5C43444F1B1813132A0 wrote:

It took me by surprise the wife and I were all dressed to go for a ride. No warning signs. It just quit.

Unfortunately - AGM batteries are like that. :-/

Title: Re: Battery
Post by rl153 on 08/17/24 at 08:10:26

Put the new battery in. Works good. FYI, autozone gave me a $10 dollar credit for the core.Thanks for the help!

Title: Re: Battery
Post by DragBikeMike on 08/17/24 at 15:11:36

So, did you install an AutoZone Duralast battery or a Big Crank?

Title: Re: Battery
Post by rl153 on 08/18/24 at 06:10:05

Big crank, but when I recycled the dead battery at autozone, they gave me a $10 credit. I got a can of seafoam with it! Thanks.