12 volt battery

A lantern battery is a rectangular battery, typically an alkaline or zinc-carbon primary battery, used primarily in flashlights or lanterns. Lantern batteries are physically larger and consequently offer higher capacity than the more common torch batteries. Lantern batteries comprise multiple cells inside a housing.
The most common variant in the US is the 6-volt square-base battery with spring terminals. In Europe the most common one is the 4.5-volt flat pack.

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  1. R

    MG 5 LR 12v battery replacement

    What is the best type of battery to. Replace on My MG5 EV LR it's maintenance free type 075 12v 55 amp Could do with a bigger amperage?
  2. DB00nowthen

    Float charger / battery conditioner on 12v battery?

    Hello all new MG4, new to this forum. The Trophy has replaced my non-plugin Prius. I Do low mileage with the car in the garage much of the time. I did and will take the car out for a drive once a week at very minimum unless away. But I found that the prius 12v battery was almost completely...
  3. S

    12V battery

    Owner of MGZS EV Long range. A month or so after taking delivery the car wouldn’t start. AA called, charged battery got me to dealer. This is visit 1 , charged battery , caused by not being fully charged on delivery . I already had the car booked in as it was showing a “ do not park for more...
  4. E

    12v battery losing charge

    Hi, apologies if I'm posting in the wrong area, it's my 1st time on here. I'm hoping for some advice wrt my 12v battery. I have a 12 month old ZS SE long range. Monday night I charged to 100% as I was making a 250 mile round trip on Tuesday. On my return home I was running low so started...
  5. bazza123uk

    Flat 12v battery after 6 weeks

    I went away for 6 weeks and on my return the car was dead. Doors would not open or anything I called MG support who sent the AA and they found the hidden manual key slot and opened the door and bonnet. I have to charge the 12v battery to recover the car even though the main battery was 57%
  6. A

    12 volt battery charging

    Having returned after 16 days on holiday I found the 12v battery to be too flat to be bothered to unlock my MG4 Trophy LR. (The HV battery was left at 60% plus before trip.) I couldn't trickle charge the 12v battery, seemingly because the current draw was too high. I disconnected the positive...
    • avhation
    • Thread
    • 12 volt battery battery battery charging charging mg4
    • Replies: 14
    • Forum: MG4 EV Forum
  7. P

    Features unavailable after 12v battery was disconnected

    I have only had my new MG4 a couple of weeks and today it refused to charge from either of my cables, usually I just charge it from the granny cable as I have way too much solar during the day so let the car take some of it. After reading posts here that suggested disconnecting the 12V battery...
  8. JKW

    12v Battery ?

    Current car a Kia e Niro (next almost certainly an MG4 !) - a common problem with the Kia relates to the 12v battery which goes flat often without reason for some drivers. Does the MG4 have a separate 12v battery ? I've not seen any comments relating to one, and "search" didn't throw up any answers.
    • JKW
    • Thread
    • 12 volt battery battery mg4
    • Replies: 17
    • Forum: MG4 EV Forum
  9. Mitch AC DC

    MG5 Jumpstarting/Jumpstarter??

    My sons Toyota Hybrid died with a dead "8volt" battery { 8volt LOL }. I had a feeling EV`s weren`t supposed to deal in Jumpstarts, so we used Grandaughters MG ZS Petrol for Jumping { successfully }. Prompted me to check it out. According to the manual, it`s OK to receive a Jumpstart to the 12v...
  10. T

    Unable to charge my SE

    I posted previously regarding the 12 volt battery not being charged resulting in me being stranded. The service centre charged it up and found no other problem however it has happened again, only this time it is worse.. I tried to put the car on charge but nothing happened, no blue lights on the...
    • thowi02
    • Thread
    • 12 volt battery charging issues mg4 mg4 ev stranded
    • Replies: 8
    • Forum: MG4 EV Forum
  11. bryer

    Follow me home not working

    Has anyone that's running a Mk2 found their follow me home lights have stopped working after they've had to disconnect the 12V battery to reset the system? I just can't get mine to work since having to disconnect the 12V to get the mobile connection working on my Trophy Connect.
    • bryer
    • Thread
    • 12 volt battery follow me home mg zs ev mk2 mobile connection
    • Replies: 22
    • Forum: MG ZS EV Forum
  12. Sara4711

    Problem with the 12v battery on my MG4

    Hi, I have a question about your experience with the 12v battery. The thing is that about a month ago I parked my Mg4 mat home and the next day I could not unlock the car and had to call Mg assistance to help me with this. I suspect that due to some unknown circumstances something like the...
  13. R

    12v issues

    I posted this elsewhere but I have a weird issue with my 12v battery. The problem is that every time I charge the car, the 12v battery is slowly depleted unless I remove the charge cable right away. The 12v battery holds it's charge no problem between charging sessions and tests fine outside...
    • robertb
    • Thread
    • 12 volt battery charging issue mg5 mg5 ev
    • Replies: 15
    • Forum: MG5 EV Forum
  14. JuziWomble

    So It seems I have to charge every day to keep my 12v Battery full!

    Yeah you read that right - currently I cant trust the 12v 'starter' battery to hold enough juice to actually allow the car to 'Start' - Had to Boost jump it yet again today - Not used the car for a single DAY - the previous day the car had been used for my regular 60 mile daily journey & I did...
  15. Sloucher

    12v Charging

    Charging the 12v battery:- I know you have to have the car in "Ready" mode for 30minutes or more, but is there any way of leaving the car whilst in that mode? I'm not using the car much for a week or three, but even though I'm at home, I don't relish just sitting in the car twiddling my thumbs...
  16. fshuk1

    12v battery

    I believe this is done when Equalisation Charging takes place. It seems to also happen under "intelligent Charging" but I have no idea when this is. Gurus , over to you.
  17. C

    Already tried disconnecting 12v battery, any ideas?

    My 2022 MGZSEV is coming up with several error warnings. 1. Forward Collision assistance unavailable 2. Auto Emergency Braking System unavailable 3. Pedestrian Auto Emergency Braking System unavailable 4. Stability Control Fault consult handbook 5. Traction Control Fault consult handbook 6...
  18. pollenface

    12v battery thoughts

    After reading some of the posts here and other places on the internet, I'm forming the opinion that there is a lot of parasitic drain on the 12v battery when the car is switched off and the car does not fully charge the battery when driving. I've had my ZS EV for 3 months, in this time while...
  19. Purclewan

    Information on the 12V Battery.

    Tried to see if anything has been posted on this before but couldn't find anything. Can anyone advise me what voltage a healthy 12V battery in the MG4 should be reading? I've always understood that a fully charged healthy car battery should show about 14.1V and a battery giving just over 12v...
  20. B

    12v Battery falls below 12v

    Having issues with the 12v battery that regularly goes flat. I have had to be restarted by the AA over the past few weeks. Any MG ZS EV owner suffering the same issue.
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