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  1. Brusa NLG511 Repair

    Batteries and Charging
    I had a Brusa NLG511 come in for repair. Symptoms: Would not charge, power LED just blinked. A quick bench test showed it had a short on the +15V supply... I could not located which part was shorted, so I hooked up the external supply and set it to +15V... And slowly turned up the current...
  2. My Power Controller

    Controllers
    Finished Soldering 6 Power Controller boards last night. :) In my Solectria E10, I am planning on having 4 parallel groups of 20 Leaf modules in series (150V @ 65Ah per group), and thus I need a way to pre-charge, connect, and disconnect them to/from the main vehicle power bus. That is the...
  3. Brusa NLG513 Repair

    Batteries and Charging
    I had a Brusa NLG513 Charger come in for repair with the following error message: ShortCirc PwrSt: ERR So obviously it has a short circuit in the power stage. ;) So I took it apart and checked all the IGBTs and diodes in the power stage... All tested good... I then contacted Brusa to see...
  4. Convert a Brusa NLG513 to a NLG511 Battery Charger?

    Batteries and Charging
    I recently acquired a Brusa NLG511 battery charger, which is the correct voltage range for my truck. I have had a Brusa NLG513 battery charger for a few years, but its output is to high for my truck. And I wanted to see if I could convert the NLG513 to a NLG511. So I was really hoping that...
  5. Leaf module based 150V 65Ah battery pack...

    Batteries and Charging
    This post might be useful for those looking to upgrade lead acid based 144V systems... Here is the configuration I came up with, while reusing the Nissan Leaf interconnects, safety covers, and BMS wiring. This is one of four 150V 65Ah modules for my Solectria E10. Total battery weight will...
  6. Does anyone know how to extract pins on the Nissan Leaf BMS cell tap connectors?

    Batteries and Charging
    It appears to be a double locking connector, metal clip on the pin and then a plastic locking retainer. But I have not figured out how to remove the pins with out breaking the connector... I am sure it is something simple. Otherwise I can just cut and solder the wires, but that would be a lot...
  7. CAD drawing of the AEV6505A Contactor?

    Batteries and Charging
    Does anyone have the CAD drawing of the AEV6505A Contactor (Nissan Leaf). I looked around on Panasonic's website, but I could not find one that was close: https://www3.panasonic.biz/ac/e/control/relay/vehicle/ev_special/index.jsp Interestingly they are filled with hydrogen and use a permanent...
  8. Battery Pack Sniffer and Monitor V2.0

    Batteries and Charging
    I am working on a Version 2.0 of the Battery Pack Sniffer. Requested Features: Work with battery packs other than the Nissan Leaf. ;) Control the power contactors and pre-charge relay. User configurable cell voltage limits to enable / disable the battery pack. User configurable cell...
  9. Solectria/Brusa AMC325 repaired...

    Controllers
    All the repair pics: http://www.wolftronix.com/amc325_1493_2/index.htm The video playlist: http://www.youtube.com/playlist?list=PLQdu_G7xyFISR4r6oFFY9HTKPVMPjFQMV This could be part of the problem... ;)
  10. How I am connecting four 40s2p battery packs in parallel...

    Technical Discussion
    Overview of the proposed block diagram / system schematic for the Solectria E10 Lithium-Ion upgrade: Video Explanation: http://youtu.be/Pz_ybNO-_fk Thanks, Wolf
  11. Nissan Leaf Battery Pack Sniffer...

    Batteries and Charging
    USB powered CAN sniffer and display to read out the state of a Nissan Leaf Battery Pack. For use when salvaging battery packs from wrecked Leafs (Leaves?). Weekend project, built using parts on hand. Videos: http://www.youtube.com/playlist?list=PLQdu_G7xyFIR29L5izNZavf4Uf8IMWuZm Pics...
  12. For Sale: Solectria UMOC / Brusa AMC Test Box

    Classifieds
    Solectria AMC/UMOC Test Box is a tool used to diagnose problems with the motor/controller or vehicle side wring/switches/pots. Tutorial on how to use the Solectria AMC/UMOC Test Box: http://youtu.be/5kMk4QwHiJ0 Time Lapse building the boxes: http://youtu.be/xd3NPSV2DL4 Because people like...
  13. Fore Sale: Solectria (Brusa) AMC RS422 to RS232 Serial Adapter

    Classifieds
    For Sale: Solectria (Brusa) AMC RS422 to RS232 Serial Adapter I just built up another batch of Solectria (Brusa) AMC RS422 to RS232 Serial Adapters. This serial adapter is required to connect a laptop via RS232 serial port to the RS422 monitor/debug/programming port on Solectria (Brusa) AMC...
  14. Wanted: Nissan Leaf Battery Module Interconnects and Safety Covers...

    Classifieds
    Hello, I am looking for the Nissan Leaf battery module power interconnects, BMS wiring harness and safety covers for the 24 (48 cell) module. The bottom left of this picture: Thanks, Wolf
  15. Bi-directional buck-boost converter, battery simulator

    Batteries and Charging
    Hello, I am not sure if anyone is interested in this, but I am in the process of building a 10kW Bi-directional buck-boost converter (48V - 500V). This will be used as a battery pack simulator (replacing my large stack of AGM batteries, which are retired from my truck)... I repair motor...
  16. Solectria 1996 E-10 (Chevy S-10) Pickup truck

    All EV Conversions and Builds
    Hello, This the build/repair log for my 1996 Solectria E10, that I purchased non-working back in 2007: http://www.wolftronix.com/E10/index.html I am currently reverse engineering the BMS in a 2013 Nissan Leaf battery pack. I want to reuse the factory BMS, when I reconfigure the Leaf pack for...
  17. Wanted: Solectria, (Brusa) components in need of repair...

    Classifieds
    Do you have some old non functional Solectria or Brusa parts sitting around the basement or garage? I will buy them, and/or repair them if needed. List of parts repaired: http://www.wolftronix.com/EV.htm Thanks, Wolf
  18. Reverse Enginnering the Nissan Leaf BMS Serial Protocol...

    Batteries and Charging
    Hello, I have a 2013 Nissan Leaf battery pack, which I am using to reverse engineer the serial protocol between the microcontroller and the balancing ICs, so I can reconfigure the pack for use in my Solectria E10, and still use the BMS. I recently purchased a 2013 BMS on eBay and it was...
  19. Wanted: Nissan Leaf BMS, 2013+?

    Classifieds
    Hello, I am looking for the Nissan Leaf BMS 2013 and later. I have a 2013 Nissan Leaf battery pack, which I am using to reverse engineer the serial protocol between the microcontroller and the balancing ICs, so I can reconfigure the pack for use in my Solectria E10, and still use the BMS. I...
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