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  1. Ravi Kempaiah

    I pulled the trigger: Zen Photon

    Greatly appreciate your business and support. We will be updating the EBR community on Photon assembly in the next 10 days. Without going into boring technical details, we designed the BMS and the battery pack to have several safety features and UL 2271 certification. This was a lengthy process...
  2. Ravi Kempaiah

    Battery Swapping coming for Emotorcycles

    This is a very nascent industry, and there is no standardization as of yet. There are two schools of thought: One is B2B fleets would much prefer to use swappable batteries, and non-business consumers would not like to share the battery of their new vehicle. Since E-mopeds are taking off in...
  3. Ravi Kempaiah

    Battery Swapping coming for Emotorcycles

    This is already happening in India on a big scale. Most of the food and cargo delivery is switching to electric 2-wheelers and 3-wheelers. Take a look.
  4. Ravi Kempaiah

    Zen Photon Pro- Preorder | 1040Wh UL Certified battery | 500W nominal/900W peak power Torque-sensing motor w/ Throttle | USD 2999 | CAD 3999

    Would it be possible to share some pictures of the fixture you made? We will work on ensuring compatibility with Topeak and MIK racks.
  5. Ravi Kempaiah

    Zen Photon Pro- Preorder | 1040Wh UL Certified battery | 500W nominal/900W peak power Torque-sensing motor w/ Throttle | USD 2999 | CAD 3999

    This week, our team optimized the packaging to minimize shipping-related damages. Except for the local deliveries, all shipments will have packaging like this. We are track for the frames to ship by the end of the month. The wheels and Enviolo IGH are already built in Canada and ready to be...
  6. Ravi Kempaiah

    Zen Photon Pro- Preorder | 1040Wh UL Certified battery | 500W nominal/900W peak power Torque-sensing motor w/ Throttle | USD 2999 | CAD 3999

    Photon Ultra wheel with Rohloff hub on the assembly line for those who requested the "Ultra" option.
  7. Ravi Kempaiah

    Exploring Zen Electric Bikes' Advanced Battery Technology

    Samurai uses Bosch batteries and Bosch does not allow other batteries to work with their motor. The battery rendering we showed here is not ready for mass production yet. Photon batteries are already designed and have gone through the UL-certification. When we do bring the latest batteries to...
  8. Ravi Kempaiah

    ST7 WREN susp : sag and total travel?

    Very nice! Congratulations on your new bike. How do you like it compared to the ST2 and ST5 bikes you have owned previously?
  9. Ravi Kempaiah

    Exploring Zen Electric Bikes' Advanced Battery Technology

    Thank you very much. Well noted on several points. USB-C charging will be quite beneficial and we will seriously consider it. It's funny you mention about the unique ID and we have been working on that for our work in light electric vehicle batteries in Asia and Africa. This is something we...
  10. Ravi Kempaiah

    Zen Photon Pro- Preorder | 1040Wh UL Certified battery | 500W nominal/900W peak power Torque-sensing motor w/ Throttle | USD 2999 | CAD 3999

    There is NO California tax because of the Canada - USA free trade agreement. The throttle response is smooth and not too overpowering. We have tuned the pedal assist to be quite powerful, so you may find that much more pleasant compared to the throttle.
  11. Ravi Kempaiah

    Exploring Zen Electric Bikes' Advanced Battery Technology

    We are very interested in hearing from the community about what makes a great E-bike battery. From safety to charging to connectors.... there are several important metrics and we want to hear real perspectives from E-bike riders so we can advance the innovation and safety in E-bike batteries...
  12. Ravi Kempaiah

    Bafang's Proprietary Battery Port?

    In your battery, the third pin is used as ground and the two main pins are rated for 5A charge current. Just the extension cables for your smart charger right? I have asked our service team to reach out to you today.
  13. Ravi Kempaiah

    Bafang's Proprietary Battery Port?

    Data communication needs 4 pins; 2 pins for voltage and 2 pins - CAN-hi and CAN-lo for the CANbus protocol to communicate with the BMS. A single pin will not be able to make use of the CANbus, and in most cases, the third pin is typically used for temperature sensing. Grin tech has a wonderful...
  14. Ravi Kempaiah

    Bafang's Proprietary Battery Port?

    Our team can certainly assist. I will be visiting Bafang in the next 40 days and if there is anything I can do and convey, don't hesitate to reach out.
  15. Ravi Kempaiah

    Bafang's Proprietary Battery Port?

    Our team will get this resolved. This is a common connector used in several EU brands. With the nascent state of the E-bike industry, lack of standardization has led to a variety of charge port designs and as the market matures, we will see EV-grade charge ports for micromobility devices. It...
  16. Ravi Kempaiah

    Zen Photon Pro- Preorder | 1040Wh UL Certified battery | 500W nominal/900W peak power Torque-sensing motor w/ Throttle | USD 2999 | CAD 3999

    The year 2023 has been very turbulent for the E-bike industry with well-known companies in the EU folding and several smaller brands in the North American market facing difficulties. It is precisely in these times that communication becomes very important. We are firmly on track to deliver...
  17. Ravi Kempaiah

    Zen Photon Pro- Preorder | 1040Wh UL Certified battery | 500W nominal/900W peak power Torque-sensing motor w/ Throttle | USD 2999 | CAD 3999

    The website will be updated by the end of this week. We will have a new page for 2024. We will have 3 colors - starlight white, carbon grey, and beryl green (line green) You can still pre-order this and put in a note mentioning the specifics.
  18. Ravi Kempaiah

    What is the expected lifespan of the Bosch drive unit?

    Brose has internal belts and they require replacement every 8-10k kms. Bosch has nylon and metallic gears.
  19. Ravi Kempaiah

    What is the expected lifespan of the Bosch drive unit?

    This is very impressive! The motors last a long time. One of the few instances where it runs into issues is in very humid conditions, i.e., coastal areas with seawater - this can damage the bearings and lead to rust/corrosion. In motors equipped with internal belts, timely replacement of belts...
  20. Ravi Kempaiah

    I would love some suggestions for the right e-bike for me

    Thanks for bringing this to my attention. I did not realize this had happened. I spoke with our support team to avoid such intrusion in other threads and contribute useful information when specifically asked for. It is never our intention to butt into some conversation and this will not be...
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