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    Charger with potentiometer

    Many Thanks Amberwolf
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    Limiting power down to legal levels

    Hi All, I haven't checked in for a while as I thought this post was dead. Apparently not. lol Thanks for the advice/suggestions - looks like I have some more research to do
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    Charger with potentiometer

    Hi All, I am after a second charger to keep at work for my 52v battery. I have a meanwell at home that works well but am just after a cheapie for work as I won't use it that often. Ideally I would like on that I can tinker with and set the voltage to say...around 56v. Can anyone recommend one...
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    100mm BBHSD and 68mm Bottom Bracket

    Thanks for the answers. I went to the local metalwork shop and got them to cut me a 27mm spacer (for 73mm BB) out of 40mm by 3mm aluminium pipe. I painted it black and installed the motor. The motor did rotate downwards initially but after I tightened the crap out of it it seems to be working...
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    BBSHD and the Udder effect!

    Thanks for the info
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    BBSHD and the Udder effect!

    Thanks. Good to know it can handle a few hits
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    BBSHD and the Udder effect!

    Thanks. Do you ride single track?
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    BBSHD and the Udder effect!

    Hi All, I am thinking about putting a BBSHD on a 2013 giant glory but am worried about smashing the motor on rocks and logs on single track riding. It will hang down a fair bit due to the angle of the downtube. I know Luna do one on an anthem 2 which has a similar shaped down tube. It looks to...
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    100mm BBHSD and 68mm Bottom Bracket

    Does anyone know if you can use a 100mm BBSHD with a 68mm bottom bracket by using spacers? Will it throw out the chain line? Any other issues? Not the best way to do it I know but I already have the motor. Cheers
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    BBSHD 73mm to 100mm

    I am looking to swap my 73mm motor with a very kind ES member for a 100mm but it got me thinking is it possible to buy a new part to make my 73 mm 100mm? I know you can buy nylon gears, spare motors etc Is this possible? Cheers
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    Carbon Frame and BBSHD

    Very helpful! Thanks. I didn't think of that but it makes sense as Carbon BB are thicker than Alloy
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    Carbon Frame and BBSHD

    Yes that might work but unfortunately I already have a standard size BBSHD motor I wanted to use.... :x Are the small teeth/grooves of the BBSHD that bite into the bottom bracket likely to damage a carbon frame? Someone told me it could crack the frame but the teeth seem so small that I...
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    Carbon Frame and BBSHD

    Thanks Amberwolf. I went out to see the bike today and unfortunately the bottom bracket is around 90mm and the BBSHD I wanted to fit (already have it) is the standard 68-73mm version. Damn! I am guessing the answer is no....but is there any way to make this fit without a ridiculous amount of...
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    Carbon Frame and BBSHD

    Hi All, I have the chance to get a really cheap Giant anthem advanced 2016 - Carbon frame bike. I would like to add my BBSHD motor to this frame. Are there any issues using a carbon frame with a BBSHD mid drive? Cheers
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    Battery Choice

    Yeah I agree re GA cells. If you want 3500mah cells LG MJ1 have a higher cycle life and are usually cheaper
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    Car replacement in London/Other Cold Weather

    You might need one of these. I wonder if they fog up from your breath?
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    Battery Choice

    I have bought 2 Aliexpress batteries I pulled them apart and had a good look at both: 1st one was from Efun - It was really bad. The case was cracked, BMS cut out power at 46v instead of around 42, not enough series connections to carry the current they said it would. Also, they are hopeless...
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    Chinese Battery....hmmmm, with Pictures!

    In case anyone is still interested. I added the required series connection then managed to mount the haillong battery to the bottle brackets ( after drilling some holes in the bottom of the battery attachment) and went for a ride today. My other pack is 52v 14AhLG MG1 cells and this is 52v...
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    Chinese Battery....hmmmm, with Pictures!

    You are right - After another look I can see a pattern. They have either wired the balance wires to the positive end, or the negative end of the same group instead of the positive of the next group. (Does that make sense?) It also seems they have attached all the wires backwards - so from the...
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    Chinese Battery....hmmmm, with Pictures!

    Well - the battery seems to charge fine so that is good but after further investigation I have found. 1. The balance wires seems to be attached all over the place except where they are suppose to - see photo -some parrallel cell groups have no balance leads attached at all and some...
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    Chinese Battery....hmmmm, with Pictures!

    Thanks docw009 that is very helpful. I will try charging it tonight when I get home from work.
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    Chinese Battery....hmmmm, with Pictures!

    Thanks Guys - I kinda expected this to be crap but this is an experiment for me. I may even cut the battery into 2 7S5P units attached some more balance leads and balance with a hobby charger or maybe just replace the BMS entirely if it is no good.(still have to test it). I definitely need to...
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    Chinese Battery....hmmmm, with Pictures!

    Lol - yeah I know buying batteries from Aliexpress probably not the smartest idea but I thought I might learn something by pulling it apart.....I might regret that thought :wink: The BMS board seems to be ok, this was just a little board for the USB port that had the capacitor pop. Strangely...
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    Chinese Battery....hmmmm, with Pictures!

    Hi All, I recently purchased a 52v battery from Aliexpresse which arrived today! Unfortunately when I turned it on I heard a pop and then there was smoke! arg ! I pulled apart the battery.... It seems there is a little board that goes to the USB port that popped a capacitor. So i guess...
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    Limiting power down to legal levels

    Here is my plan first plan Use programming cable to limit power down to about 200w Use bluetooth adapter and phone so I can use full power Question: If I take the phone away will the bike revert back to the 200w I set? I seem to remember reading somewhere that the bafang controller remembers...
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