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    Sparkbikes - SPARK 350W, 48V 13Ah, 26"x2.1" tires

    How much mileage do you have on the bike? After doing some research, I think most 13AH LG reention dorado battery packs also use the M26 cell because 2600mah*5 = 13AH. The battery casing can be used in 4P or 5P configurations. 10.4AH = 4P config.
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    Sparkbikes - SPARK 350W, 48V 13Ah, 26"x2.1" tires

    Cell capacity plays a very minor role in longevity. The build quality is most important, next is how it was used. For example, Tesla Model S uses Panasonic NCR18650B cells which are rated for 3200mah and there are tons of cars with over 85% capacity after over 200K mileage. The M26's poor...
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    Sparkbikes - SPARK 350W, 48V 13Ah, 26"x2.1" tires

    The 35E is a much better cell for this use case because of its higher capacity. When these battery packs are limited to ~30A output by the internal fuse and maybe 20-25A max from the speed controller, there is no need for high output cells. Remember, there are 4-5 sets of cells in parallel so...
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    Sparkbikes - SPARK 350W, 48V 13Ah, 26"x2.1" tires

    @SuperGoop How is the battery holding up? AFAIK, all reention LG 10.4AH batteries use the M26 18650 cell which is made in China & seems to degrade quickly after 2 years.
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    Sparkbike 2019 Review

    Thanks for the info! https://bicycle.kendatire.com/en-us/find-a-tire/bicycle/slopestyle-slalom-park/kranium/ Seems like these tires are very basic, no K-Shield puncture resistance :( The hub on the other hand seems to be 1 of the bigger motors. Is there a switch to disable the thumb throttle...
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    Sparkbike 2019 Review

    I'm considering the spark city bike, does anyone know what speed controller is being used? What model of bafang hub & Kenda tire? TIA
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    Walmart slashes prices on NEW electric hybrid bicycles for National Bike Month by up to 40%.

    Does anyone know the OEM of the battery pack? I wonder if they make a higher capacity version.
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