The Student Room Group

Stop car battery going flat if not in use?

Hi! I need some help please. Am travelling for two months and won't be using my car at home. Am leaving the car with my mum but she can't drive so is there any way of preventing the battery from going flat? Can she leave the engine on and gently press the gas with the handbrake on or will that not work?

Thanks!
Reply 1
She could or you could just whip the battery out and leave it on a trickle charger.
Reply 2
Yeh starting it every few weeks will work.

Or there are trickle chargers on eBay for £10ish which you plug into the mains and will do the same job. You can leave it plugged into the car on trickle charge to maintain the radio code and the alarm working on the car which might be a stipulation on your insurance.
I'd of thought that it'll be alright for a couple of months in the summer.

if you can get your mum to leave it running for 10 min or so once or twice to keep on the safe side.
Reply 4
We've got a solar charger, cost about 15 quid - sticks to the windscreen with suction cups and then plugs into the cigarette lighter. Works well and means you don't have to run a cable in from the mains or anything
Reply 5
Thanks everyone! X
Reply 6
Just disconnect it!

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