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actuallly - i guess the "smart" battery charger has to estimate the capacity of the battery it's charging. not sure how they do that. it has gone from 0-1 to 2-3 bars quickly, so maybe things aren't as bad as i thought? we will monitor and we will also go for a short drive today and see what...

Update update: we left the 12v battery charger connected to the car for a few hours yesterday. It's a "smart" charger with progress bars and it tells what voltage the battery is taking as it's charging. Got to 2-3 "bars" on the smart charge meter. This morning, we plug it in again to top it up...

Update: nice RAC guy just left, very knowledgeable chap, taught me things I didn't know. 12v battery was flat - totally depleted (reading <5v). However all the battery health measures said it was fine. He shut the car down to work out what the residual drain was when the car is not on and there...

Thanks for the response, alozzy! We bought a charger but not a maintainer last time. The original 12v battery had lasted 18 months and I thought there might be a possible cause of drain originally* i had hoped it was a one off problem. Since then we've been charging the big battery for 1h+ on...

Update, in case anyone is interested: Nissan replaced the battery, at the end of August. Now visiting parents and it's gone again so we're waiting for recovery again. Since the last event in Aug I have been very careful about leaving it plugged in but not charging, and we're careful about doing...

I'm just back from the Nissan garage 2h drive away with a new 12v battery. Replaced under warranty, and so not one I had any control over (that is, not one of the varieties recommended here on the forum). They don't think there is anything else draining the battery - that is, the technicians...

Does this mean that if we were to be able to open the front charging port and plug it into the house, it'd charge the 12v battery assuming that can hold charge? (This is at the moment academic as we cannot open the front charging port and Nissan Recovery tell us that replacing the battery...

No we generally don't leave it plugged in. We have a "Zappi" charger which will charge the car from solar generation so we quite often charge at a low (1-2kw) rate, but the charger is around the side of the house and we're lazy, so only bother plugging the car in when a) it's a bit sunny and b)...

This morning our 2019 leaf was nearly completely dead. We managed to open the driver side door with the electronic key and then everything went dark: power button does nothing at all. We've summoned recovery however we are in a fairly remote area and expect the mechanic to take ages, and when...