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by Gary12345
Thu Sep 19, 2019 8:04 am
Forum: Batteries and Battery Management
Topic: Using a second pack in parallel
Replies: 9
Views: 266

Re: Using a second pack in parallel

Its a lot of complex work to have a trailer like that RAV4 one. What I have considered a couple of times is how much power is consumed on the 12v side during a full discharge. What would be fairly easy would be separating the 12v system so that the dc-dc converter does not top up the 12v battery dur...
by Gary12345
Tue Sep 17, 2019 5:44 am
Forum: Batteries and Battery Management
Topic: Using a second pack in parallel
Replies: 9
Views: 266

Re: Using a second pack in parallel

Hi there, Good to hear you have some previous experience, I worry a bit when I read a question like that ! Even using an Anderson SB with a cover you can't really consider that safe to be powered up when not in use - the only safe way I can see this working is to install a contactor box in the car a...
by Gary12345
Mon Sep 16, 2019 7:21 am
Forum: Batteries and Battery Management
Topic: Using a second pack in parallel
Replies: 9
Views: 266

Re: Using a second pack in parallel

You need to be incredibly careful.... we are talking 50Kw at 400v... You'd need to be sure that your connectors were extremely secure and cope with the power without getting hot, water ingress is also a factor due to rain. There is also the issue that when you are not using your range extending trai...
by Gary12345
Fri Aug 30, 2019 7:41 am
Forum: Private For Sale, Want To Buy
Topic: Need to purchase obc unit for 2012 i-miev
Replies: 1
Views: 117

Re: Need to purchase obc unit for 2012 i-miev

Hi there, Have you investigated what has failed inside the charger? Often its possible to repair them. Not always as I know of one that actually burned a hole in a circuit board but often its repairable. Im in the UK and it looks like failed chargers will beat failed cells in being the part that rea...
by Gary12345
Thu Aug 22, 2019 7:34 am
Forum: Private For Sale, Want To Buy
Topic: Used On-Board Chargers for sale in Japan
Replies: 1
Views: 1054

Re: Used On-Board Chargers for sale in Japan

What is interesting is that the charger/dc-dc units are all flat topped versions, even the one that says 2015. Here in the UK 2009 and 2010 chargers were flat topped, after that they had an additional smaller box on the top.

Maybe they were always flat topped in Japan?
by Gary12345
Thu Aug 22, 2019 7:27 am
Forum: Private For Sale, Want To Buy
Topic: WTB MIEV CMU/Balance boards
Replies: 1
Views: 137

Re: WTB MIEV CMU/Balance boards

i'll have 1 in the next couple of weeks, im in the UK.

Look up Pro-Lox on facebook, he strips EV battery packs.

Thanks.
by Gary12345
Fri Aug 16, 2019 5:56 am
Forum: General Technical Discussions
Topic: Shifter starting to have problems
Replies: 2
Views: 263

Re: Shifter starting to have problems

From what i've read, issues like this were resolved by greasing the linkage at the motor/gearbox end. There are 2 sensors and if they disagree it causes you issues.

Thanks.
by Gary12345
Fri Aug 02, 2019 3:25 am
Forum: General Technical Discussions
Topic: Best value software & hardware to diagnose car
Replies: 2
Views: 338

Re: Best value software & hardware to diagnose car

Hi,

I used an icarsoft i909 to diagnose a failed LTC voltage monitoring chip on my 2011 i-miev. The detail it gave on errors was very good.

They are around £90 new but I found one for £50 second hand.

Thanks.
by Gary12345
Thu Jul 25, 2019 3:50 am
Forum: General Technical Discussions
Topic: Got the RBS and car with exclamation mark through it errors.
Replies: 12
Views: 756

Re: Got the RBS and car with exclamation mark through it errors.

Just to add to this issue - i've seen this before. The "gearbox" has 2 sensors, both have to agree for the car to be happy to drive. The sensors tell the car what gear it is in, if they differ then you get these kind of issues. First try can be to lubricate the mechanism by the gearbox, if...
by Gary12345
Thu Jul 25, 2019 3:39 am
Forum: Batteries and Battery Management
Topic: Single LEV50-cell wanted for our Citroen C-Zero
Replies: 105
Views: 40793

Re: Single LEV50-cell wanted for our Citroen C-Zero

Hello, again: one cell does not reach end of charge cell voltage anymore. Hi, I notice your screenshot is at 85% charge - does it have the same voltage as other cells when the battery is fully charged, or is that as far as it will charge up? Looks like the cell is faulty, these cells are hard to ge...

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