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  1. Batteries and Charging
    I'd like to put together an article for dealing with Lead Acid packs in the winter. Do you guys have any suggestions?
  2. All EV Conversions and Builds
    :) My students and I have begun a "new" type electric car project! It will be brutally simple. We have replaced the rear axle on a '91 Geo Prism, with the rear axle from a Subaru Justy. The Subaru rear suspension is especially well suited for this format. The Subaru rearend is floating with CV...
  3. All EV Conversions and Builds
    I'm going to build an electric bike out of an old gs500 but im on a tight budget and having a hard time finding batteries for it. I'm thinking 48volts so I need four and since they need to be cheap i want flooded lead - acid. Any ideas?
  4. EV Performance
    I have a 73 VW bus I converted for business use in Portland, OR www.electricbus.blogspot.com I am using generic golf cart batteries, 24 6v for 144 V. All they say on them is "105 min" They charge to 155V when fully charged, and I have a few questions about my set up to help me take care of...
  5. EV Information
    Battery Management Systems (BMS) This wiki page is under development as a data collection placeholder for information about Battery Management Systems. Virtually all types of batteries can be damaged by excessively high or low voltages, and in some cases the results can be catastrophic...
  6. Classifieds
    LIFEPO4 group purchase New info Please read. Anyone interested in a group purchase of some lifepo4 100AH modules? I have contact with the manufacturer and can get them for $200.00 each plus shipping. I'm waiting on the shipping quote to my business in Ohio and was given a 4-6 week lead time...
  7. Electric Bikes
    Moved from the EV wiki... I'm looking for a way to improve the per charge milage on my moped, and my question/ logic is that if i add more batteries i can accomplish this . Am i correct in this thinking or not. Here is the details: it has 3000 watt brushless motor. 38 amp 60 volts 5x 12...
  8. New Member Introductions
    Latest new on the LionEV website http://www.lionev.com/ Now the only problem with this is that only confirmed customers will be able to attend. I am leaning toward believing that LionEV is for real, but I can certainly understand why some have their concerns about the company. Frankly...
  9. Batteries and Charging
    Hello everyone I am new here and i am wondering if anyone knows where I can get nickel cadmium batteries batteries because I live in Minnesota so we have cold winters. the lead acid batteries will not do so good here in the winter. if anyone can help me that would be great if not thanks for...
  10. All EV Conversions and Builds
    I think I read this in one of Electro Automotive's publications, its a way to get a rough idea of your EV's expected range. Multiply your vehicles actual GAS mileage by the weight of your battery pack. For my Mustang it's 20mpg(if I drive it nice) x 1152 = 23040 Divide that # by 420 for...
  11. All EV Conversions and Builds
    Greetings All I found this website as another US based supplier of LiFePO4 batteries. www.lifebatt.com From the specs on their site, the cells will do 12C continuous discharge with 18C pulse (10 seconds). That is better than the A123 cells. Now here is the interesting part from their FAQ...
  12. Batteries and Charging
    I've heard that NiMH batteries are the best to use but that they aren't commercially availible (only the big car companies can get them). What about using these; http://www.megabatteries.com/items.asp?cat_id=75 I'm not exactly sure what an "F-Cell" is but they are 12 volts, couldn't you just...
  13. New Member Introductions
    Just watched "Who killed the electric car?" and then youtubed EVs. Finished watching Gav's EV conversion and am now thoroughly obsessed with EVs!! I'm driving my girlfriend nuts with my obsession so I've decided to come here. I'm wondering how feasible it would be to build an EV (converting a...
  14. Batteries and Charging
    I have a noob question about batteries! I have no idea what the difference is between a standard car battery and lion batteries I know they are more powerful and last longer. In particular the http://www.lionev.com/Battery_module_pricing.html battery. how do those compare to other batteries as...
  15. All EV Conversions and Builds
    Hi guys been trying to find out ome info here on converted SuV's to electric, and i need some help with what equipment to get if you can. I have a cadillac escalade, Ford explorer, and Chevy tahoe that the owners are wanting converted. The weights of these vehicles are on the heavier side...
  16. EV Information
    One of the difficult challenges in planning an EV conversion is choosing the voltage and size of the battery pack you plan to use. This following page aims to simplify that process explaining how each aspect of the pack will affect the performance of the EV. If you find these concepts difficult...
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