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  1. M

    Removing 12v battery to charge Leaf

    Thanks everyone. The car is a 2016 Leaf tekna with 55900 miles on the clock. In the last 5 months I've had about 6 breakdowns - all to do with the startup braking problem whereby when you start the car the dashboard lights up like a christmas tree (yellow abs light, yellow brake warning light...
  2. M

    12v Battery Recommendations

    Hi there, Would this be ok for my 2016 Nissan Leaf Tekna? https://www.tayna.co.uk/car-batteries/optima/8073-176/ D51R is correct for a Leaf right? Looking to upgrade to an AGM style battery as I'm trying to resolve the dangerous braking problem that occurs at low voltages. Many Thanks, Mark
  3. M

    Removing 12v battery to charge Leaf

    Further research shows from watching this video (https://youtu.be/ipEzK1yzxHY?t=6760) that the DC-DC converter puts about 4 amps into the 12 battery when running at 14volts. Looking at this 'determining charge time table' (http://batteriesbyfisher.com/determining-charge-time) and its shows the...
  4. M

    Removing 12v battery to charge Leaf

    Just been doing a bit more reading. Running the wiper blades on their slowest delay apparently sets the voltage to around 14 and puts charge into the 12v. Any idea how long I would have to do this for? e.g how many minutes for 1% of battery capacity (roughly!). Could this approach damage the...
  5. M

    Removing 12v battery to charge Leaf

    Hi all, Thanks for all this very helpful information. I've just got the car back from an independent specialist and he said the 12v was at 74% capacity when he put it on charge so it seems that my usage of the car(during lockdown) is leading to 12v drainage. Will Leafs fault on startup with a...
  6. M

    Removing 12v battery to charge Leaf

    Hi all, If I remove my 12-volt battery and charge/maintain it inside my flat, will the car lose any saved settings when I return the battery to the vehicle several hours later? Is this approach recommended? I don't have access to main electricity as I am just using on street parking so using a...
  7. M

    Brakes Fail upon Powering On

    I have also had this exact issue on my 2016 Nissan Leaf 30kw tekna. The problem has almost caused three accidents now and each time I take it to the dealership I simply get 'we cant fix the car if we cant replicate the problem'. Nissan Customer services have been as equally useless and keep...
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