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  1. Deepkimchi

    Source for old green PSI Lifebatt LIFEPO4 batteries?

    Since I retired a few months ago in June, having more time to pursue riding my ebike. I had a set of 2 X 12 40138 green Lifebatts that were stored charged for 6 years. 5 batteries went bad. About 3 leaked, all 5 went low or zero volts. Looking for a source of the old green 40138 10 ah...
  2. Deepkimchi

    Storage - Lithium Green cells from AndyH

    Finally got my bike back on the road after being 6 month in Israel. I started to assemble the green (I think PSI cells) I bought from AndyH before at least June 2009. They have been stored in God knows what heat from S Korea to Israel during the shipment in the summer. From about early Oct til...
  3. Deepkimchi

    Corrosion Green Rectangular LiFePo4

    Now I know what was giving me problems last year. :| This type of battery is like a car battery, terminals and contacts are corroding. Time to do spring maintenance.. DK
  4. Deepkimchi

    AXEON new battery?

    http://www.autobloggreen.com/2009/02/25/new-lithium-battery-from-axeon-doubles-range/ New or sham?
  5. Deepkimchi

    6 awg wiring & 75 Amp connectors

    Now these connectors and wiring are made for amperage. Cable from www.cablecotech.com -very flexible. Housing s and connectors from Mouser. These wont separate like the 30A ones. Contacts are about 1/8 inch thick at ends. Now if I could find a fuse with 6 awg cable and a shunt for the Cycle...
  6. Deepkimchi

    Bike recommendations? Alu vs Steel

    I'm thinking about buying a new bike. Getting too fast for standard brakes so I thought I would get a front disc brake model. I had bent my stays slightly during motor installation (wheel tilts about 1/4 "), so I did not just want to replace the forks. I also wanted suspension front and rear...
  7. Deepkimchi

    Controller Cooling

    Have seen various mentions of cooling off high powered mosfets, but nobody ever suggested how. If you have the controller mounted on the bike frame (not in a box), why not perforate both end plates with small vent holes? You use gasketed cover plates attached by 2 small screws for rainy days...
  8. Deepkimchi

    Series vs Parallel & Other questions

    Besides having to disconnect for charging, does anyone know the advantages or disadvantages of series vs parallel battery pack connections? What would be the range differences between 36V 20 ah or 72V 10 ah (assuming you could keep a heavy hand off the throttle at 72V) ? An open circuit in one...
  9. Deepkimchi

    Wald 520 rear mount baskets

    I bought the WALD 520 rear mount baskets thru Amazon.com. Glad I overestimated for the size. The dimensions they give are not for the bottom of the baskets. It works, see pictures for the fit. Going to fly out to the States, will be down shortly.
  10. Deepkimchi

    DIY Insulated battery tool - Pay per View - 50 cent

    And you thought I was stingy? :P
  11. Deepkimchi

    Loose terminal - battery cell heating up

    Just came back from a long ride, besides my motor being hot (but not burning my hand), I noticed the battery box was warm. My controller is limiting current to 42A, acc to my CA. I'm running 2 packs in series, total 83V. Started checking around, one cell on my old pack was a lot hotter than the...
  12. Deepkimchi

    Check your nut tightness

    Make sure y'all are doing regular checking of axle, rack etc bolts. Did mine and found the rear rack (supporting my 25 lbs of 80V) was pretty loose. Rear and front axles okay. Also tried to add a cutoff switch but started having problems with connectors (and one battery terminal was loose - the...
  13. Deepkimchi

    Has anybody ran 120V yet on 5304 series?

    I did a search on 120V and got only 2 unrelated threads. Has anybody ran 120V on a 5304 motor? If so, for what length of time, and what affects did it have? What are the limiting factors? I know the standard controller mods, but other stuff like wiring size to battery, phase wires to motor...
  14. Deepkimchi

    Smoked Soneil Charger repairs

    I managed to smoke Gary's Soneil 36V charger (3610) with the crazy Korean 110V house wiring (110 between phases, 230 to ground) :cry: - totally my fault. Anyway, now I'm attempting repairs... so if you ever smoke one, it seems the popped components are the large pink 0.5 ohm resistors, and the...
  15. Deepkimchi

    Special Resistor identification -help

    Repairing my soneil charger that I smoked with this idiotic 110V Korean house wiring (110V between phases, but 230 to ground) - forgot to clip the ground tab off. Anyway - got a resistor that I can't identify the value - I know the color codes, has green, black, but it has silver on the 3rd bar...
  16. Deepkimchi

    80V battery mount on rack

    Bought my case yesterday at the local Korean market. Mounted my famous bolts on the bottom (with heat shrink covers) to keep it from slipping on the rack. Soldering iron works great at punching holes thru plastic, no slips, no cracks. Now I look like the average Korean..
  17. Deepkimchi

    Symptoms of a loose ground (black cable) to battery

    Well, riding to the A base today I got thru the gate, then about a 1/4 mile and hit some bumpy road. Poof, power gone. Started checking the connections out, especially the battery negative cable (black). Could not get it fixed. Symptoms - with the controller off, the Cycleanalyst would come...
  18. Deepkimchi

    Riding shirt for E-Bike

    I was thinking about getting a Logo printed for a shirt to use while riding my e-bike.. :wink: How does this sound? Bi-polar Lithium Powered Think it'll catch on? :roll:
  19. Deepkimchi

    LiFEPo4 pack - one cell different - high & low - help?

    Got something strange with my 36V pack. One cell gets lower than the rest when I get to cutoff level - all were at 2.9V except one, which is at 2.75V When i've been charging for a while (but not finished), all are at 3.37V except the same one, which is at 3.6V. The one that discharges the...
  20. Deepkimchi

    Brushless DC & AC Induction motors > 15 HP

    I keep toying with the idea of converting a car to electric, but cannot find sources for larger brushless DC motors or AC induction motors. From different sites I'm finding to get a 4 seater car cruising at 60 mph you need continuous 15-25 HP, depending on drag coefficient of the car. Most...
  21. Deepkimchi

    Flintstone LiFePo4 Charger Repaired & Alive

    Arrrrrrgg It's Alive !!!!! Finally got the Flinstone charger repaired. Wasn't the cracked black box - was a shorted FET and another open (broke leg) FET. I replaced the NEC 2139, plugged it in and the thing started smoking. Immediately unplugged it. Got to checking and decided to pull the...
  22. Deepkimchi

    Flintstone LiFePo4 Charger - nichrome wire question

    Starting to look into repairing the "white plastic box" charger y'all are so fond of.. NEED Advice ! :? I know Ypedal is just bubbling by now with joy.. Already found a bad thermistor NTC 5d-13. An upgrade replacement on order. Found another problem. They used what appears to be nichrome...
  23. Deepkimchi

    FalconEV 36V 12ah LiFePo4 battery Test

    So I took time for a test ride in my long johns (with jeans on top of course). Ambient about 32F/0C. Got past the Base guards with no questions or strange looks, made sure to pedal. On the flat it does about 33-35 kph no pedalling. Optimal speed is 20 kph with fake pedalling, anything faster...
  24. Deepkimchi

    Battery Charge LiFePo4

    On my new 36 V LiFePo4 pack I rode for about 2 miles, and haven't been out due to crappy weather. The battery is presently at 39.6 V. Can I leavre it there a while or should I charge it up? What's kind of treatment is best for the liifespan ? Also: Got my speedometer corrected: Magnet has...
  25. Deepkimchi

    Got it Running!! Cursed Anderson connectors..

    Finally. Went for a short test ride right before dark here. Everything works except had to pedal back because of those flippin Anderson connectors. I never had so much crap trying to crimp the connectors. You can get the wire secure, but then the crimped area has to be square & even for the...
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