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  1. Knallbert

    EVT 4000e in Vancouver area

    Running your scooter on two sets of batteries isn't a problem. For several years now, I have been using two 48V 30Ah LiFePO4 batteries coupled in parallel on my 4000e, without problems.
  2. Knallbert

    New Motor EVT-4000e Need to replace brushed with brushless need advice

    EVT themselves were making some motors which should be suited, but I am not sure if these are still in production.
  3. Knallbert

    Seattle EVt-168 Survivor Help!

    Hi PtheDude. Some years ago, my scooter had a problem with symptoms quite similar to the ones you describes. On the BLM models, the gas wire goes to a potentiometer located between the front cover. On my scooter, the locking pin attaching the arm to the potentiometer fell out with no apparent...
  4. Knallbert

    Seattle EVt-168 Survivor Help!

    Hello P the dude, nice to know I’m not the last one running one of these. Rapid beeps, and the LEDs going thru sequentially, is normal behaviour for these scoters when turning them on. Before looking for the error, the first thing we should determine is whether the scooter has a brushed motor or...
  5. Knallbert

    Body parts for EVT 4000e scooter

    My experience is that getting replacement for the plastic shields on the EVT 4000e can be quite difficult. This post is just to help others that may have experienced the same problems. Thanks to a tip from phase_boy that the 4000e is based on the Yamaha JOG scooter...
  6. Knallbert

    Unoriginal lithium batteries on an EVT 4000e BLM

    Sorry if I hasn’t been clear. I understand the heading can be misleading it’s just that if I had original lithium batteries, and BMS, I wouldn’t have this problem. I’m trying to upgrade the motor controller on my scooter, so yes I have two different controllers. Both controllers are original...
  7. Knallbert

    Unoriginal lithium batteries on an EVT 4000e BLM

    If the problem was malfunction of the batteries or BMS I should have the same problem on both controllers but I only have it on the lithium controller, the lead controller are running without problems. In addition if the battery voltage was to low the first red LED would be flashing, not have a...
  8. Knallbert

    Unoriginal lithium batteries on an EVT 4000e BLM

    The battery voltage was 54 volt at the moment, and the voltage range for the controller is 40V to 60V. I doubt the problem is due to a malfunction in battery or BMS. I have been running the scooter on a daily basis for a week (using the old controller) since my attempt on installing the new one.
  9. Knallbert

    Unoriginal lithium batteries on an EVT 4000e BLM

    Hi. My scooter is an EVT 4000e BLM, European version. Originally it was equipped with lead batteries, but I have replaced these with LiFePO4 batteries from Ping Battery. Recently I have bought a Canada controller to get more speed, but I run into a problem when installing it. When I turned the...
  10. Knallbert

    My New 2010 EVT-168

    Phase_boy, I see you need new batteries for your EVT 4000e, and are considering to by unoriginal lithium packs. When I upgraded my 4000e from Lead-Acid to LiFePO4 I installaed two 48V 30AH Battery Packs from PingBattery for a total of 60AH...
  11. Knallbert

    My New 2010 EVT-168

    Hi Granolaboy thanks for an interesting article, it’s the first pictures I have found showing the internals of an EVT brushless controller. These controllers have a digital communication interface so I suspect the speed limitation is set in software. Anyhow if your scooter is able to reach 60...
  12. Knallbert

    Lapierre electric bike

    Great bike, I see you are planning on building a trailer for it, maybe this link can give you some ideas for it. http://www.evalbum.com/preview.php?vid=4312
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