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  1. Technical Discussion
    Hi, I have a Nanjing Pengtu PA3K3W360FX10, 3.3KW electric car charger that I am trying to use with an Orion BMS 2. Both the charger and the BMS have CP and PP lines. I was wondering how these lines would be connected? I assume they can not just be paralleled. Does anyone have experience with...
  2. EV News
    Hello Learned friends I intend to establish a "Convert to EV" business in India. I will like to team up with EV experts to form a Start-up. The new start-up will also offer standard universal charges for EVs for commercial and residential complexes. look forward to connecting.. cheers
  3. Batteries and Charging
    Hi everyone! I'm a member of the charging team at Ontario Tech University's FSAE team in Ontario, Canada and we are trying to implement a new method to monitor our cells. We want to use one of the programmable digital output pins (pins 5-7 I believe) to power a TI TivaC, but for some reason the...
  4. Batteries and Charging
    Hi everyone! Just joined this forum since there seems to be a bunch of insanely knowledgeable people here! Anyway, I was wondering if anyone knows how to program the digital output pins of the Brusa NGL513 charger so that they output 5V. Just straight 5V, no actual data. I'm trying to power a...
  5. Batteries and Charging
    Hello, I recently replaced my old set of batteries with new ones. The batteries reached the end of their life a few years ago and I have had the car sitting in the garage since then. I had ten Deka 12v 105Ah 8A31DT batteries and I replaced them with exact same thing (the new batteries are called...
  6. Batteries and Charging
    This is my first EV. This is what I have. 1991 Isuzu pickup Warp 11 Curtis 80v 600amp controller 20kw battery bank I am trying to do this on a budget. 1. I can upgrade controller now or later. I would like to get up to 75mph and its 40miles round trip to work. And yes there are...
  7. Technical Discussion
    Hi Im a new owner of a smart fortwo cabrio 2014. Im living in Norway but bought my car as an imported car from abroad. The Norwegian dealer only sells smart fortwo with the small onboard charger3,7-4,6 kw but I see that some of the abroad cars got an optional onboardcharger with 22 kw. How can...
  8. Batteries and Charging
    We used to install plug-in upgrades to Prii, and we now have many broken Elcon chargers for repair that we do not need. Once you get them to work, they can be reprogrammed to fit your charge curve (see Elcon's website). We're looking to sell them for $20/charger plus the cost of shipping. We...
  9. Batteries and Charging
    Hi everyone, I see a strong interest in off-the-shelf on-board charging module among the electric vehicle enthusiasts. Me and my friend, firmware and electrical engineers, who worked over 10years for the leading EV companies, realized that maybe we can design one and bring it to you guys. The...
  10. All EV Conversions and Builds
    Precharge of the capacitors on a drive inverter is well understood - and most inverters manage this themselves. But I'm curious about the other accessories that run on ~380 volts DC. DC/DC converters have a certain amount of capacitance that would potentially weld a contactor. Likewise, high...
  11. Classifieds
    I have for sale a V1 version of my Tesla gen 2 charger charger logic board. This is in perfect working order and featured in a recent video : https://www.youtube.com/watch?v=1qrLTbC2--U For sale as I am now using a V3 board in the car. The V1 board does not have memory onboard for battery...
  12. Batteries and Charging
    Good Evening All, I'm finally at a point where I can stop lurking and ask a question. I'm finally ready to upgrade my LiFePo4 charging / balancing set up and was hoping to get some insight from anyone who knows a little about the FMA CellPower PowerLab line. I'm set on getting a PowerLab 8 so...
  13. Batteries and Charging
    Our eDub Electric VW camper van, has an on board 8kW 144V TC Charger (non-CAN) and on Monday, it stopped working.... :( When connecting to power, the cooling fans kick in but it doesn't draw any power to the batteries and the status LEDs don't turn on, not even for an error message. I wonder...
  14. Batteries and Charging
    While working on my prototype for a flying capacitor BMS with charging capability for the bottom cell using the entire (4 cell) pack, I got to thinking that, instead of charging that one cell and using traditional shunt current balancing, why not design a charger for a single LiFePO4 or LiPo (or...
  15. Batteries and Charging
    Hey Guys, I'm new to the forum. I'm building a battery pack for my EV, i need a 48V 100Ah pack which can discharge at 3C. I plan on using NMC batteries for the same. I plan on making 5 packs of 48V 20 Ah each and then connecting them in parallel(yes, i know 13s NMCs will give me 46.8v but...
  16. Technical Discussion
    Hi all, I need some help from the community, we are looking for someone who has stuck an oscilloscope onto the charger during the charging phase and knows the tolerance that Tesla uses for the Voltage and current ripple on its chargers? We know that the SAE and CHAdeMO standard is usually...
  17. Batteries and Charging
    Hi everyone, I recently purchased a 444cell Tesla Battery Module (~5KWhr). Might anyone recommend which charger to get (that plugs into US 120VAC wall socket)? If you have experience in charging these battery modules, what's the time it'll take to charge the battery given the amp output from...
  18. New Member Introductions
    I need badly to see more charts and graphs and equations to help me understand the relationships between all these units of measurement I hear related to ev conversions. We need like a master chart for every known usable component on the market or in a salvage yard. starting with battery...
  19. All EV Conversions and Builds
    Hi everyone, I've been fantasising for some time about the possibility to convert a diesel powered boat into a series hybrid, using a diesel generator and a LiFePo battery pack connected to an electric car motor. It would be a semi stationary live-aboard, so run time requirements are pretty...
  20. Classifieds
    i am no longer selling
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