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  1. Batteries and Charging
    I’ve restored an old van, EV swapped it, and added a 500w array. The solar is for interior accessories on a 12v battery. (stove, heater, lights, lava lamp, weekend camping stuff) 5x 100w panels. Working great so far. This thing is clearly no Aptera, but it’s lame that these panels only charge...
  2. Technical Discussion
    Yesterday my car stopped charging. In the morning it was charging, I left to do some errands with the car, came back home to plug it back in and.. nothing. First thing I tried was to see if my wallbox was faulty or not so I tried a public charging spot (car still drives), no dice. There is...
  3. Batteries and Charging
    I'm building a small off grid community with some other likeminded people and we're considering how to build a power supply consisting of solar, batteries and a small scale pumped hydro system. Has anyone seen anything like this done anywhere? We want to power people's cabins and have some EV...
  4. New Member Introductions
    Hey there! I'm a second-year electrical engineer working on an electric vehicle made from scratch. I don't know much about these types of projects, so I'm turning to this community for some extra help. I am in charge of finding a way to keep the low-voltage battery of the vehicle charged from...
  5. New Member Introductions
    Good evening everyone! I have a small mechanic shop here in Kansas. I specialize in mobile service with my 2012 AZD Transit. I love this van and how spacious it is. Plus the reduced cost of overhead by not having to stop at the gas pumps is great. However last year the van quit charging. I...
  6. Batteries and Charging
    Hello everyone, I am currently working as part of an industrial project to design a new EV charging unit. We have created this survey to get an idea of what users value in their current products and what they would like to see in future models. Please take 2 minutes to complete this survey as it...
  7. Batteries and Charging
    Due to local road laws, I can't fully DIY my car. I bought older EV (Aixam e city) for cheap. It works perfectly after replacing batteries and some stuff. Now it has iec 60309 connector that I plug to standard wall outlet For longer trips, I want the ability to charge it from EV charger stands...
  8. Batteries and Charging
    Hello all, my partner and I are talking about getting an electric vehicle. We've used all the online tools but when it come to understanding what should be quite a simplistic question, we both get different answers. Please help EV option 1 has a 50 kWh battery and has a range of 200km. I know...
  9. Batteries and Charging
    Imagine you could charge your batteries while cruising the interstate. Inflight Charging is a startup company developing this concept to be a reality. We’re currently looking to get in touch with our first customers and help them with their specific needs on a case-by-case basis. To know more...
  10. All EV Conversions and Builds
    Hi all, thank you for letting me join this community. Have you heard of EVCS? They operate here in LA but have locations in Oregon, Washington, and the Bay Area. I just recently got one of their ads and signed up for their unlimited subscription plan and I've been pleasantly surprised by it...
  11. Batteries and Charging
    Hi everyone, I am working on a custom project and want to buy some pins, male and female, to suit the 12 gauge (6mm^2) cables used in EV chargers. I can't seem to find anywhere that sells just the pins. I am prepared to crimp/solder them myself but everywhere I look just wants to sell me an...
  12. Batteries and Charging
    Last week, the salvage 2014 Leaf arrived for my Superbeetle conversion. The front is pretty bashed (radiator support almost touches the drive stack) but the car can move around on its own. When I plug in the trickle charger that came with it, the car starts beeping a lot and all three charge...
  13. Batteries and Charging
    Hello, I am working on a project to reduce the charging time for battery. but there are no simulations available for CCCV. multistage ,pulse or boost charging. can anyone help me with this?
  14. All EV Conversions and Builds
    Good morning everyone! I know this is an odd, and potentially unrealistic, conversion and I figure I should lay down some basic expectations. My friends and I all have 2018-2019, high performance, sleds so I am not looking to break any land speed records, or reach unattainable ranges. In fact...
  15. Batteries and Charging
    Hi, I want to start an EV conversion on our 1987 Nissan Patrol. But charging is just a blur to me, I get that home chargers use the connector of your choosing, but can I just buy a certain plug, and a charger off of evshop.eu (which I found to be a supplier in Europe) and plug it in at (for...
  16. New Member Introductions
    Hi there! Do you have frustrations as an EV user? If so, share your frustrations by completing this quick survey about "Frustrations you have as an EV user". The answers will be used to build software that solves these frustrations. The survey link is https://forms.gle/7SXRuzZAJ4ttUfq47...
  17. New Member Introductions
    Hi, I'd like to share an EV charging calculator. It shows how much time and money it will take you to charge your electric vehicle. evcompare.io/charging-calculator/ Use it if you plan to charge your EV at home, at work or at any AC charging point. The calculator is not applicable to DC...
  18. All EV Conversions and Builds
    Hey guys, We are thinking of a startup that could lead to free parking for electric cars at airports! If you could fill in the 4 question survey liked to the post that would be great so that we could assess the demand. Also please feel free to comment as we would love to hear your opinion on...
  19. Batteries and Charging
    Hello all. I work in a data center, and we recently replaced our UPS systems. As part of this project, I was given the opportunity to take the old UPS/ATS system home. Unfortunately, the system was a 3-phase 480 volt system and there was no means of connecting it to my 220v home power. I did...
  20. Batteries and Charging
    I have previously purchased a Delta Q QuiQ Charger, and I am now in the market for some lithium packs. I was looking at the LG Chem batteries, which have a nominal voltage of 60.8v and have a 45Ah capacity, so about 2.6kW. The QuiQ charger is a 72v designed for lead acid, but the chemistry can...
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