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    For Sale 36V 250W electric wheel kit for Brompton (16") NO BATTERY

    Short YouTube video that shows the e-wheel running: https://youtube.com/shorts/WVPAfOdJJ9U Note that the chirping sounds are from birds, this is not noise coming from the hub motor! :) Also note that I could not accelerate to 100% as the wheel was only rigged on one side of the hub, on a...
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    For Sale DIY project folding ebike - Merc (Brompton clone) - 250W 36V (no battery)

    Alright, this thread is getting messy so I posted a separate one to advertise the e-wheel kit on its own: https://www.pedelecs.co.uk/forum/threads/36v-250w-electric-wheel-kit-for-brompton-16-no-battery.42143/
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    For Sale 36V 250W electric wheel kit for Brompton (16") NO BATTERY

    Pictures (link to Google Photos album) https://photos.app.goo.gl/wT19bAoe2tiHwiP79 The kit contains: - Sun CR18 aluminium rim - Schwalbe Marathon Plus with plenty of thread - Cross-lace spoke pattern - Bafang / 8-Fun 250W 36V planetary-geared hub motor (low mileage, kept as spare to my...
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    For Sale DIY project folding ebike - Merc (Brompton clone) - 250W 36V (no battery)

    Not quite. See pictures in the Google Photos album linked in a previous post.
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    For Sale DIY project folding ebike - Merc (Brompton clone) - 250W 36V (no battery)

    So, I do indeed have a spare steel fork, painted black (picture in the Google Photo album, link in my previous post). This is originally from my Merc, so not a Brompton part (but it should be compatible). Anyway, I am including it with the e-wheel kit at no extra cost. The fork can be used to...
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    For Sale DIY project folding ebike - Merc (Brompton clone) - 250W 36V (no battery)

    Pictures of the e-wheel kit (Google Photos album): https://photos.app.goo.gl/wT19bAoe2tiHwiP79
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    For Sale DIY project folding ebike - Merc (Brompton clone) - 250W 36V (no battery)

    Wait, I still have my own spare widened fork...let me look into it!
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    For Sale DIY project folding ebike - Merc (Brompton clone) - 250W 36V (no battery)

    The wheel is still available. It is actually sold as a kit, including cut-off brake levers, pedal assist sensor, throttle override, and of course the controller which ties it all up (all wires and connectors included, "plug and play"). Oh, and the wheel comes with a quality tyre fitted...
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    For Sale 36V LiFePO4 Battery Management System rated 40A (Li Ping BMS v2.5) + pouch / prismatic cells (5Ah 12 cells + 8 spares)

    I have reduced the price down to £40 for the whole kit (BMS and cells, please read the full description for more information, as this is really for somebody with battery building / repair skills). The only reason for such a low asking price is that battery cells cannot be posted (even the safer...
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    For Sale DIY project folding ebike - Merc (Brompton clone) - 250W 36V (no battery)

    Bike sold. Bafang / 8-Fun e-Brompton wheel still available :)
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    For Sale 36V LiFePO4 Battery Management System rated 40A (Li Ping BMS v2.5) + pouch / prismatic cells (5Ah 12 cells + 8 spares)

    People have been asking for photos of the actual pouch cells, here they are :) (negative/positive tabs insulated and wrapped for safe storage, and I use metal boxes to avoid inadvertently damaging the cells)
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    For Sale DIY project folding ebike - Merc (Brompton clone) - 250W 36V (no battery)

    I created a separate listing for the BMS and battery cells (+ charger) https://www.pedelecs.co.uk/forum/threads/36v-lifepo4-battery-management-system-rated-40a-li-ping-bms-v2-5-pouch-prismatic-cells-5ah-12-cells-8-spares.41536/#post-621591
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    For Sale 36V LiFePO4 Battery Management System rated 40A (Li Ping BMS v2.5) + pouch / prismatic cells (5Ah 12 cells + 8 spares)

    This is the BMS v2.5 from Li-Ping, which came with my LifePO4 battery pack (10Ah, 24 cells, 12s2p layout, each prismatic pouch cell is 3.2v 5Ah). https://www.pingbattery.com/servlet/the-8/lifepo4-lithium-phosphate-iron/Detail This BMS is rated for 40A maximum continuous discharge current. It...
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    For Sale 5x barely-used battery cells: 3.3V 2.5Ah A123 Systems LiFePO4 Lithium Iron Phosphate (not Lithium Ion)

    I salvaged 5x good cells from one of my 6S1P packs which contained 1x faulty cell. I bought several of these packs new, this one had been barely used when I discovered the faulty cell. I use a balance charger to ensure each cell is correctly topped up, and I only use slow charge (2A max). So...
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    For Sale 36volt 7AH battery (London)

    Hello, is this battery still for sale? Thanks, Daniel
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    For Sale DIY project folding ebike - Merc (Brompton clone) - 250W 36V (no battery)

    ...and if you are comfortable building battery packs, I also have this 36V LiFePO4 Battery Management System rated 40A (Li Ping BMS v2.5) This is the BMS v2.5 from Li-Ping, which came with my LifePO4 battery pack (10Ah, 24 cells, 12s2p layout, each prismatic cell is 3.2v 5000mah). This BMS is...
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    For Sale DIY project folding ebike - Merc (Brompton clone) - 250W 36V (no battery)

    £350 (also advertised in Facebook marketplace) This Brompton clone built by Merc has a frame made of aluminium. The rear wheel hub is a 3-speed Sturmey Archer. This model has the luggage rack with mini wheels, and the M-type handlebar. The front wheel is cross-laced with a barely-used (low...
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    My e-Brompton: Tongxin/Nano pulling steady at 360W+

    Nice for extra top speed! I would love to compare with the low-end torque of my 190rpm model. In case I am wrong in my assumption about mechanical gearing demultiplication (relative size of friction rollers), then the technical difference to achieve the various RPMs must be in the internal...