New Battery - Old Battery

[The Mad Monk]

I fitted a new battery in October - just to be on the safe side really, with Winter just round the corner.

Put the old one in the garage. Today I thought I would put it on charge, you never know, it might be handy as a backup? Connected up the charger. Inside a couple of minutes it was showing fully charged and had switched to maintenance. 'Strange' thought I, so I unplugged it, left it a short while and plugged it in again, within a few seconds it had switched from 'charge' to 'maintain'.

Either the battery is so flat that it won't take a charge, or it's so fully charged that it won't take a charge. Neither of which make sense to me.

Any ideas, please?

[The Mad Monk]

SteveR1979 said:

Battery should be able to hold its charge for months if there is nothing wrong with it.
You said yourself there is nothing wrong with it, so seems perfectly plausible

Is there a simple (safe) way to discharge the battery a bit?

[The Mad Monk]

The thing that I struggle to understand is why, if the battery was left untouched for 10 weeks, it has lost so little charge?

Perhaps I will see if I can discharge it a bit tomorrow, then see how long it takes to get up to fully charged. Would a four year old battery really hold full charge for 10 weeks?

Edited by The Mad Monk on Saturday 26th December 20:20

[The Mad Monk]

Twig62 said:

I don't understand why are you worrying about this !

I think it's because I've got nothing much else to worry about, I suppose. It is Christmas, after all!

Actually, if the battery is sound I will keep it, it it's duff, I will chuck it away.

I am grateful to everyone for their replies.