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Site appears to be down. If anyone has a new link or info regarding where to purchase their batteries, please let me know. Thanks ! - John

The guts of the hub battery are shown at 14:05 in the video. Does it look to you like the battery cells are part of the rotating mass or do they look stationary while the hub case spins around them? BTW, this appears to be their supplier/manufacturer for both the bike and the hub battery...

According to this TSA site, things may not be as glum as this thread suggests. Safe Travel For reference purposes, 25 grams ELC (equivalent lithium content) is generally equated with 300 watt-hours worth of battery. Unless I am mistaken, 300 watt-hours is well within the "norm" for most...

According to TSA, any battery pack exceeding 25 grams of ELC (equivalent lithium content) cannot be carried on board the airplane. TSA equates 25 ELC as being roughly equal to 300 watt-hours. Given the above, can anyone tell me how many ELC and/or watt-hours for this battery? Free...

Found this link on TSA's website... Safe Travel Does this help or only confuse matters? Rgds... - John

Another question, Jerry - Does the native connector that came on the hub motor connect directly to the native connector that came on the controller? If not, can you recommend a source for matching connector for the hub motor? Thanks... - John

Excellent work(as usual), Jerry - Question: Is the micro switch you used above of the NO (normally open) or NC (normally closed) variety? Rgds... - J

Assuming that your interpretation of the readings are correct, it sure looks close doesn't it? The important thing to note is that it does indeed go into a power saving sleep mode. Nice !!! Rgds... - John

For reference purposes, here is the complete text taken from the Chinese language product page... >>>>>snipped>>>>> Brand: KEYDE, Color: White Item: WZK24-36 Product details:* Of our newly developed motor controller uses the most advanced non-Hall-driven technology, small size...

Hey Jerry - Do you know if the controller would fit inside of the main frame tube? Putting it inside probably not a good idea but curious to know nonetheless. Rgds... - John

The translated text above was snipped from the external controller product page (ie stand alone controller - - not the motor page) so perhaps yours possesses this feature. Any way to test controller current draw after five minutes of non use? IIRC, it's supposed to be 1.5 mA in sleep mode...

FYI, Jerry - Found the following on Keyde's Chinese site... >>>>>snipped>>>>> Of our newly developed motor controller uses the most advanced non-Hall-driven technology, small size, beautiful appearance, posts can be installed in any part of the frame, the original hibernation and change...

Would you mind sharing what was included at this price (motor, motor controller, pedelec sensor & magnet, etc)? I would like to know the specific part number. Can you provide? Thanks again for the great post ! Rgds... - John

Three wires implies two coils - - which per above, is likely how the controller knows the direction of the crank shaft. The proximity of a large chunk of rotating steel (ie the main crank) to the sensor will tend to upset the magnetic field - - thus reducing the consistency of the wave forms...

Newbie here just come out of lurking. :-) If the pedelec unit has two coils inside, it would send two evenly spaced pulses to the controller as the magnets pass by. Knowing the order in which the pulses are received would allow the controller to determine which way the crank shaft is being...