Batteries and do they die if they loose charge?

[karidian]

Got my old CB1 started this morning (had to jump it to do it) and the battery doesnt seem to hold a charge. I have heard somewhere that if they are allowed to discharge completely then they are gubbed. Is this true?
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G reg Honda CB1 400; 06 Kawasaki ER6F abs, X reg Bandit 600sy. 1998 Cb600f Hornet. 08 zx6r current.

[G]

Each time a car/bike battery loses it's charge it does do it in.
However, so does the cold - batteries do tend to be more likely to reach the end of their life in winter.

[Finglonga]

As above with one exception, AGM batteries dont mind being deep cycled but I doub't you have one of those fitted unless you fitted it yourself.
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Andy Sez....
F.Y.Y.F.F.

[karidian]

Cheers for the replies folks. Looks like im getting a new battery then!. Thinking of using this as my winter hack and keeping the bandit snug and dry
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G reg Honda CB1 400; 06 Kawasaki ER6F abs, X reg Bandit 600sy. 1998 Cb600f Hornet. 08 zx6r current.

[yandy_yay]

https://www.batterystuff.com/tutorial_battery.html#3

some interesting words about batteries on there

Andy
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past bikes: (20 years ago) cg-125 (wriiten off), C-50 (thrashed n' finnaly scrapped), CZ-125 (nicked - never recovered, insurance payout was more than i paid for it !!!)
Current bikes: GN 125(now sold), Divvy 600s.

[karidian]

Exactly the kind of stuff i was looking for. Cheers mate.
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G reg Honda CB1 400; 06 Kawasaki ER6F abs, X reg Bandit 600sy. 1998 Cb600f Hornet. 08 zx6r current.

[cagiva gezzer]

I used to buy new batteries ever year (bike wasn't used when at Uni). This year i tried an Optimate and it recovered a 100% dead battery and it's still ok.

Weigh up the costs of a new battery V's giving your old one a good session with an Optimate.

If you don't want to buy one, try and get your local shop to charge yours or borrow someones.
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"because one stroke isnt enough and four strokes waste two"