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  1. __Tango

    Anyone interested in a 1985 VF500 Conversion or parts?

    In the 2009-2011 timeframe, I converted a 1985 VF500 from gas to electric using an Enertrac MH602 10kW motor and Kelly controller, and 7kWh (36 x 60Ah) ThunderSky LiFePO4 batteries. It was a great conversion and I rode it pretty consistently until early 2019, then put it in storage and never...
  2. __Tango

    Help replacing a controller for a 2007 Zapino scooter (or getting a new hub motor for a Kelly KLS sine wave controller)

    A couple of years ago, i killed the controller in my 2007 Zapino scooter. I started a thread about it here: https://endless-sphere.com/forums/viewtopic.php?t=74412. In that thread, along with help from ES, I found the controller is really two smaller controllers. The motor is a BLDC hub motor...
  3. __Tango

    10" wheelwith disc brake mount and sprocket mount?

    Hi folks. I was wondering if anyone knows of a place that sells a 10" scooter wheel that has both a disc brake mount as well as a sprocket mount? I've mostly found 10" wheels with disc brakes and an inline motor mount, or 10" wheels with a sprocket mount and a drum brake, but not both. I did...
  4. __Tango

    Help with cogging Hub Motor

    Hey folks, I have a circa 2007 or 2008 Zapino scooter. It used to have a 60V Sealed Lead Acid battery pack. I changed the pack to a 60V Enerdel Lithium Ion pack (it saved about 80 lbs). It was working great as an around town kind of scooter, but during one ride, the motor started cogging...
  5. __Tango

    testing charger voltage

    Hey folks, sorry if this has been asked before, but I haven't found it yet. But how does one test the final voltage of a charger? Is there a way to do it without a battery pack? The specifics of what I'm doing is that I just converted a Zapino scooter from SLA to Lithium (Enerdel cells in...
  6. __Tango

    10A charger for 120V?

    Hi folks. I'm trying to get a charger for my pack of 36 Thundersky 60Ah LiFePO4 batteries in 36s1p. I found a (King?) charger being sold by BMSBattery.com (which is ecitypower.com, also on ebay as ecitypower). It's 1500W, so it'll do 120V nominal at 10A, and they say that they can specify the...
  7. __Tango

    Ecitypower 1500W charger

    Hi folks. The specs for the ecitypower 1500W (http://www.ecitypower.com/pdf/w1500.pdf) sold at bmsbattery.com or on ebay, look pretty much like a carbon copy of the ElCon PFC1500 (http://www.thunderstruck-ev.com/PFC1500.pdf). However, it's difficult to tell what type of charge curve the...
  8. __Tango

    What charge curve for LiFePO4?

    Hi folks. I think i'm about to purchase an ElCon 1500W charger for my e-motorcycle project (or maybe the ecitypower equivalent) What i'm really interested in is: What charge curve (e.g. UIa, IUIa, IUIUo, WUIUo, etc) do i want to have programmed into the charger for Thundersky LiFePO4 60Ah...
  9. __Tango

    Pack voltage vs. Charging voltage. How close with BMS?

    Hi folks. I'm trying to figure out how close the specified charge voltage needs to be compared to the pack voltage when using a BMS. Specifically the Fechter/Goodrum BMS. Let me explain a little... I'm building an e-motorcycle that i'm hoping to get 36 Thundersky LiFePO4 batteries into. If...
  10. __Tango

    Charger for use with Fechter/Goodrum BMS + 4 Cells of LiFePO

    Hi folks. So, i've got 4 cells of LiFePO4 (TS 60AH), and i'm putting together a Fechter/Goodrum BMS (wish me luck on the soldering!). I was wondering however, for charging, is this an OK charger to use? http://www.batteryspace.com/smartcharger10afor128vlifepo4batterypackworldwideuse.aspx...
  11. __Tango

    Confused about charging

    hey folks. i'm going to show my noob-ness, but i'm confused about charging...I'm using TS batteries (hopefully 32s1p or 36s1p for 102.4 or 115.2 nominal), and when i read about charging, most threads use 3.7V/cell to figure out how much voltage needed. The TS batteries are rated at 4.2V max...
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