Battery minder. Worth getting?

[Flip]

My scoot flattens the battery in 3 weeks if I set the alarm.

[Big Dave]

So you need this battery minder because

1. you dont ride that often and the battery goes flat

2.no1 is the only reason you'd want one, then--

3. you might as well sell the bike and put the money towards something you might use more often.

Or you have more than one motorcycle.

[Coldrider]

Thats not the original fault that was identified. They had a previously working battery that suddenly faulted and let them down. Such a battery WILL be perfectly ok to get them home once the bike is push started.

Leaving a faulty battery in there and continuing to abuse it will get you bitten, as you suggest.

But really I don't think you posting to assist. I think you are deliberately trying to be a cunt actually.

Steve

Is your inner child trying to evict you ?
Both batteries failed on rides, everything normal until the batteries decided to fail, presenting themselves as flat as first, both lasted over six years so can't complain there. Pushing them started got me going to idle, but no performance, either CDI 's shuting down or zener / shunts saying enough.
Road bikes with stators as you stated.
Just because my circumstances refute your spoutings makes you abusive, but then you already know that.
Crybaby indeed, show me the best of your wroth.

[slowpoke]

Yes, but you have no stator. The thread is about a road motorcycle.

Steve

Nup, it still run's a charging system, just no start system. Not my choice, just how the previous crew set it up.

With no starter motor there was no indication that the battery was dying (it's left on a battery minder) apart from becoming difficult to bump start (poor TonyOk pushed me half way into Taupo earlier in the year). Then it wouldn't even run cleanly, missing like a bastard during qualifying at Rd 2 of the Winter Series. Finally it died completely on the dummy grid for the next practice. A desperate check of the battery revealed just 10.6 volts. Changed the battery and it was good as gold, starting first bump and running sweet.

[Coldrider]

DB has just gone off line to regroup.

[Coldrider]

How is using a jumper cable any different to using the actual battery that the bike normally runs on?

You're effectively running it off the healthy battery in the donor vehicle. I don't understand how this could possibly damage the bike or cause it to not start, unless you do something ridiculously silly like hooking them up + to - or somehow put 24 volts into the system. In both cases you deserve what you get

The problem here is you can induce a voltage spike exceeding the breakdown voltage of the diodes. You need to put the jumper leads on quickly & cleanly, but it shouln't normally happen.

[Coldrider]

No, I wouldn't have thought so either. Have bump started the old girl quite a few times when the starter used to have a resident gremlin. Sounds like these were riding along and then everything just died. That also sounds strange cos your battery should be charging as you're riding I thought?? Must be more to it, will have to get some more details of the breakdowns.

The battery can fail in more than just going flat.
The battery can short out, or the plates can crack and give intermittant operation, even appearing fine under no or low loads, and then opening up under big loads, such as starting.

[YellowDog]

Big fan.

Have always used for bikes/cars/boats.

If you do a long journey every day, then not such a big deal.

[Flip]

Oh

Im a big fan too.