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    Hi, I have one of the 52v Panasonic packs from you guys. I am hoping to use it on a solar powered Surrey. My main question is how to interface with it to charge with the solar cells while the motor is running:

    Can the BMS handle charging on the charge wire while discharging via the discharge wire? Do I have to forgo cell balancing and connect directly to the discharge wire for charging while discharging? I do you have a datasheet on how that BMS works?

    I have a DC-DC boost converter to go from the panel voltage to the battery charge voltage while limiting the current. The max the panels on top can output is 400W, which is still below what I normally charge at.

    Comment


    • paxtana
      paxtana commented
      Editing a comment
      Yes the BMS can handle charging while discharging. Here is a thread with some examples
      https://electricbike.com/forum/forum...-the-same-time

      Generally it is not something I can recommend since charging does put the bms into essentially a reset. If the battery ever shorted, the constant charging would reset it. So a short circuit might not trip the same way it would if you were not charging while discharging. To that effect I would say only to do this with a Wolf battery that has extra safety protections.

      You would want more than a buck converter, that's not going to do CC:CV charging

    My shark pack 13.5 is a bit damaged. I am worried about dirt and water entering and damaging battery. Would wrapping it in shrink wrap be a good 2nd layer of protection? Tight fit. Any other solution?

    Comment


    • paxtana
      paxtana commented
      Editing a comment
      Sure that might be a decent protection, hard to say without knowing more what kind of damage. A picture might help. If it's just a small piece missing you might be able to just fill it with silicone.

      For a simple solution you could probably just wrap it in a grocery bag if you wanted to.

    Originally posted by rligeti View Post

    So tonight i take the bike out and for about a block everything is cool, and then nothing. No throttle, no pas. When I get home I check the error codes and there are none.

    Trying to get this resolved before leaving for a trip (with my bike) this coming saturday.

    Now what?

    Thanks You!
    Rob
    I did, and checked all the connections. One thing I noticed is that "up" button on the PAS controller is lifted a bit and harder the press then the "down" button. Is the DPC 18 a plug and play replacement? I was thinking of getting one of those as an upgrade anyway for the USB port and the improved button module thing, or whatever you call it.

    I need to go through all of the connections again from scratch tonight again and see if there's something I missed.

    Thanks!
    Rob

    Comment


    • HIGHVOLTAGE
      HIGHVOLTAGE commented
      Editing a comment
      The button wouldn't be the cause of this issue most likely. There may be a loose connection somewhere such as the connector between your battery & motor. Pretty common problem.
      Last edited by HIGHVOLTAGE; 07-24-2019, 11:28 AM.

    I'm looking to purchase a Li-ion charger for a custom 48v nissan leaf pack. I believe it's rated at 66ah. Am I correct in assuming that your 48V advanced charger would work for this pack if I just left it set to 5A and 90% S.O.C. all the time? The pack won't have but maybe 1kw used each day so I'm fine with it charging slowly overnight. Also, if this charger will work I will need to modify the charging connector to use a standard Anderson connection. Is that also possible without negative consequences? Thanks.

    Comment


    • HIGHVOLTAGE
      HIGHVOLTAGE commented
      Editing a comment
      This will not be Plug N Play either so yes, you'll need to use Anderson if that's what they use. But other than that, it should be fine.

    Hi,

    I bought a Salsa MukLuk Deore 2018 in order to install the BBSHD but I now am concerned about interference with the chain stay, chain alignment and pedal symmetry. Can someone let me know if this project is possible? How does it compare to the KHS 4 Season 3000 Luna bike ?
    The BB is treaded and is 100mm wide and with the original crank, a chain ring of maximum 32t can be installed.

    Does anyone has detailed pictures of the KHS 4 Season 3000 Luna bike install of the BBSHD?

    Many thanks!!
    Last edited by jf_parent; 07-24-2019, 05:04 PM.

    Comment


    • paxtana
      paxtana commented
      Editing a comment
      Probably possible. Might want to read the knowledge base if you have not already.
      https://electricbike.com/forum/forum...ight-bbsxx-kit

      But yeah that's going to be a fair bit of chainstay problems. You might need a larger motor size and/or spacers or one of the alternate mount brackets like bsb-1.

    Hi Paxtana, other members,

    I did read the knowledge base, it help to see what I could do do fit the motor on compatible bike but it is still hard to assess if the bike is compatible with the BBSHD (chain line, interference, etc.).

    Based on my measurements, I calculated that I would need 18-20 mm of spacers on the drive side to make the motor fit without interference with the chain stay. Is this too much?

    Also, my chain line would be pushed out of 11-13 mm with a strait chain ring. I could fix a portion of that with an offset chain ring but I am limited to about 5 mm due to the chain stay.

    Is the KHS 4 Season Luna fat bike using the 120mm BBSHD? How much spacers does it use on the drive side?
    Last edited by jf_parent; 07-24-2019, 06:45 PM.

    Comment


    • paxtana
      paxtana commented
      Editing a comment
      Whether something is 'too much' is subjective. There are a ton of things you can do to address chainline issues if that ends up being an issue, and like I said you can use aftermarket brackets to hold the motor in position if you wanted to evenly distribute spacers out on both sides using something like a 120 on what I assume is a 100mm bb shell. Using spacers is not inherently bad, and you might in theory even just tighten down the lockring really tightly to prevent rotation of the motor, maybe using a torque strap if needed.

      We don't have info on how much spacers are used on bikes built by Luna sorry.

    Morning,

    I went to order a BBSHD kit this morning only to find that the option for the standard size 68mm BB is no longer listed. Is it out of stock or discontinued?

    Comment


    • paxtana
      paxtana commented
      Editing a comment
      Looks like it is sold out, sorry. Should have more next week or two.

    Hi guys! I'm very interested in buying a Sur-Ron "e-bike" right now! lol I would need to make payments tho. Do you guys finance? If yes, how? I fell in love with that bike!

    Thanks y'all

    Jay

    Comment


    • paxtana
      paxtana commented
      Editing a comment
      Yes we have multiple financing options available. If it is in your cart at the bottom is a button for paypal credit, which is a form of financing. Also if the order is large enough there will be an option either on this page or in standard checkout for affirm financing. When you select either of these options it goes through the standard sort of thing to get approved and that's pretty much all there is to it.

    Originally posted by rligeti View Post

    I did, and checked all the connections. One thing I noticed is that "up" button on the PAS controller is lifted a bit and harder the press then the "down" button. Is the DPC 18 a plug and play replacement? I was thinking of getting one of those as an upgrade anyway for the USB port and the improved button module thing, or whatever you call it.

    I need to go through all of the connections again from scratch tonight again and see if there's something I missed.

    Thanks!
    Rob
    Following the troubleshooting guide, I narrowed it down to the killer whale battery. If I connect the charger directly to the motor, bypassing the battery, I get power.
    When I plug the charger into the charging port on the battery, the charger does nothing.
    When I connect it to the discharge ports on the bottom of the battery, the charger functions as it should.
    That's as far as I've gotten.

    Given that the battery was the single most expensive part of the entire build and it's probably only had a dozen or less full charging cycles, I'm not super happy. Hopefully I'm not out $800 and whatever it will cost to repair/replace.
    I dont even see the Killer Whale as available anymore on Luna's website.

    :-(

    Comment


      Hi guys! I'm very interested in buying a Sur-Ron "e-bike" right now! lol I would need to make payments tho. Do you guys finance? If yes, how? I fell in love with that bike!

      Thanks y'all

      Jay

      Comment


        Originally posted by rligeti View Post

        Following the troubleshooting guide, I narrowed it down to the killer whale battery. If I connect the charger directly to the motor, bypassing the battery, I get power.
        When I plug the charger into the charging port on the battery, the charger does nothing.
        When I connect it to the discharge ports on the bottom of the battery, the charger functions as it should.
        That's as far as I've gotten.

        Given that the battery was the single most expensive part of the entire build and it's probably only had a dozen or less full charging cycles, I'm not super happy. Hopefully I'm not out $800 and whatever it will cost to repair/replace.
        I dont even see the Killer Whale as available anymore on Luna's website.

        :-(
        Turns out after all that, that it was a defective XT60 to barrel adaptor…

        Comment


        • paxtana
          paxtana commented
          Editing a comment
          Glad you narrowed it down. Was the battery dead and not charging due to the adapter?

        Hi Everyone, I have a real head-scratcher here that I was hoping that someone may be able to help me with? I just installed a CSC 48v 1500w eBike kit on my dual suspension mountain bike and everything works great except for this very annoying subtle knocking sound that I keep hearing when I start to ride faster than 5 km/hr. This is the head-scratching part... I only hear the knocking sound when I'm riding my bicycle? For instance, when I lift my back tire of the ground and apply speed, the tire spins perfectly without any knocking but when I'm riding my eBike, that's when I begin hearing the knocking sound. To confirm this, I tried riding my bike at a slow enough speed that I hear the knocking sound and I'm still able to hop off my eBike while it's still moving. And sure enough, the knocking sound stops immediately after jumping off my eBike. I tried removing the rear brake to see if that is the source of the sound and it isn't. Also, before I installed the battery and controller I had no problems with the motor on the rear tire - no knocking sound. This knocking sound only started when I energized the motor for the first time. I also tried lubricating all the pivot points on my bike suspension with no success. I hope someone may have some advice for me?

        Comment


        • paxtana
          paxtana commented
          Editing a comment
          This thread is for asking questions about products bought from Luna. Probably want to ask whoever you bought it from instead.
          That said, if it's at low speed under a load and a DD hub, that is fairly normal, especially if starting from a dead stop going uphill.

        Do you ship an e-bike battery to Colombia?
        I'm moving there for 6 months would love to take my bike but can't take battery on a plane.

        Comment


        • paxtana
          paxtana commented
          Editing a comment
          Sorry we do not ship batteries to Columbia

        Eric, What can you offer for spare 52v battery to fit Juiced rip current S? What experience do you have shipping to Hawaii?

        Comment


        • paxtana
          paxtana commented
          Editing a comment
          We don't make guarantees of fitment for factory built ebikes purchased elsewhere, you would need to do your research using the sizing pics on each listing and probably rewire some things to get it wired up.

          If someone orders lithium or a prebuilt ebike to Hawaii we contact them and let them know our carrier can not do it and we provide them the info to get a quote from recommended freight shippers like h2o logistics or aloha freight. We then coordinate the pickup as the customer has them do the shipping instead.

        Is the luna 36-72v bluetooth controller 60amps continuous or peak? Or, better question, what is the continuous and peak amps of the controller?

        Comment


        • paxtana
          paxtana commented
          Editing a comment
          Like most controllers you see advertised the current in the title is the peak current. Continuous is lower and will depend on all sorts of factors since the controller typically just pulls what it needs at any given time.
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