If the battery is still ok to open the doors, might be worth taking it off and taking to your local garage who should charge £3 to put it on a proper charger for a day. Would probably leave it disconnected whilst it's parked, I do this on my cars and it means they work after 6 months
If the battery is still ok to open the doors, might be worth taking it off and taking to your local garage who should charge £3 to put it on a proper charger for a day. Would probably leave it disconnected whilst it's parked, I do this on my cars and it means they work after 6 months