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  1. D

    Help with diode choice for connecting series power supplies

    I have an icharger 306b and am currently powering it with a 12v 40a smps (meanwell s480 12) . That does not let me use the full potential of the charger. I have a second identical power supply and want to connect them in series to give a 24v 40a supply. This will allow me to as good as max out...
  2. D

    500W vs 750W BBS02

    Hiya You have 2 options at 500w. One is 36v and the other 48v. 48v will have higher cadence. You can test your running at 500w by dropping the max current to around 18v with a programming cable. Personally I would go 48v so you have compatible / interchangeable batteries. Duncan
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    ordering bag from additives bike for uk

    Thanks, They have been in touch now via email. Rgds Duncan
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    ordering bag from additives bike for uk

    Hi, Anyone know how to order bags from these guys in Germany? My German is terrible but I put everything in the basket and at checkout it seemed that you had to have a German, Austrian or Swiss address, if anyone has any advise that would be great. I have sent a message through their contact...
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    Switch mode supply mod

    So, finished harness and gave it a spin. Unmodified it was out putting 12.69A and running at about 600W. No sign of a hiccup mode. So I hooked up a pot and retried. Stupidly I only had a 50k to hand and may have turned it the wrong way as there was a flash and the fuse blew. The 2 power...
  6. D

    Switch mode supply mod

    Yes, R33 is populated, R37 is not and there is no svr2 on the screen. But on the rear r33 and r37 both hit the same traces on either side so fingers crossed that should do the trick. Thanks Duncan
  7. D

    Switch mode supply mod

    Thanks Neil, The pic of the traces was useful. I believe that the R33 will work and that my board simply doesn't have the svr2 space. The tracks lead to the same pin. So will finish the loom and then test for hiccup mode and all being well try r33 and try to keep the magic smoke at bay! Duncan
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    BBS02 Thumb Throttle & Speed Sensor Problem

    I had an issue with a throttle not working. I replaced the throttle but the issue remained. Then I remembered I had fiddled with the large 8 pin connector from the motor. When I put it back together I had bent the throttle pin. After taking this apart and re aligning the pin, the throttle worked...
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    Switch mode supply mod

    I will check this first on the unmodified unit, I just need to finish the pack harness first! What I think is a shunt is very close to the board so not sure that will be too easy. Also seems a little too permanent. I have removed the board and looked at the traces. R33 and R37 (unpopulated)...
  10. D

    Switch mode supply mod

    Thanks Neil, will bear that in mind depending how it goes over the next few days. Duncan
  11. D

    Switch mode supply mod

    Hi All, Have read through this entire thread and understand in principle what I need to do but need some assistance identifying the correct areas to modify. I have acquired a MW s350 48 clone. I intend to use it to bulk charge 12s lipo. The voltage adjustment on the stock unit is fine and...
  12. D

    BBSHD unused cable removal

    Then you need to provide that information in advance....so you can do away with the display and use PAS but at 1 level which you can program to whatever suits you and not connect a throttle. If you want a multiple levels of PAS then that may be a bit harder. 1 option Keplar suggests is tuck the...
  13. D

    BBSHD unused cable removal

    Really, from what I have gleaned of here is that you remove display, short main power pins to turn on at the display plug, then crack on......you can ride the throttle or program to a fixed PAS level. Search for Kepler CAv3 mod or look on youtube at Crazy Bruno 'More Power' thrashing a fatbike...
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    modified throttle Bafang BBS02

    Not massively familiar with hall effect throttles. What I am trying to do is have a push button throttle that is adjustable on the fly. Stuck out in Egypt so no real parts quickly available. I have taken apart a thumb throttle and removed the spring. I then added a shim washer to tighten the...
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    Ebike build in Egypt - need advice please!

    Sorry to hear that. I had got the feeling from on here that em3ev where a good place to go. If you can recommend a reseller with good communication I am happy to look into it. A lot of my initial assumptions are from things I have gleaned off here. Any advice re LIPO on matched capacities...
  16. D

    Ebike build in Egypt - need advice please!

    Sorry, one thing I forgot. Any kit ordered will be from em3ev as I have been in touch with then and their communication is great. I have enough communication issue this end without adding more from the other, so that may restrict choices to a degree. I will not order from unknown places. I...
  17. D

    Hello from Egypt....New member looking for advice.

    Bike build questions on the following post. https://endless-sphere.com/forums/viewtopic.php?f=3&t=78954 Rgds Duncan
  18. D

    Ebike build in Egypt - need advice please!

    Hi all, I am looking to embark on an ebike conversion and need some assistance. I already have bikes so the project needs to work around them. I have some fairly unique challenges which I will outline below. I have an idea in my mind how to progress but am looking for advice and am open to all...
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    Non-Vendor Lithium Battery Shipping, NOT POSSIBLE?!

    Get ready for all the UK folk asking for a bit of that action...lol
  20. D

    Non-Vendor Lithium Battery Shipping, NOT POSSIBLE?!

    Would sourcing from USA and ground shipping be easier. Or purchasing in Canada? The shipping would eat up any cost saving?
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    Non-Vendor Lithium Battery Shipping, NOT POSSIBLE?!

    If you can use TNT may be worth looking at splitting the delivery into the bike and the battery and only paying the premium on the battery, although I have read somewhere that there is a price break around 20kg for battery stuff so would be worth looking at the various permutations. Duncan
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    Non-Vendor Lithium Battery Shipping, NOT POSSIBLE?!

    I am running into this exact problem. I looked at how to take stuff on a plane and even that is not clear. Segway and hoverboards banned. On BA you can carry 4 x <100wh in carry on allegedly and 2 x < 160wh carry on. Other airline have a flat out ban. You still need to get past airport security...
  23. D

    Hello from Egypt....New member looking for advice.

    Hi All, Thanks for all the replies so far.... If any ES folk do end up over here then please do come and say hi! Your biggest obstacle at the moment is getting direct flights but not going to go into all that...grrrrr. Needless to say, whilst having stupid amounts of free time the whole idea...
  24. D

    Hello from Egypt....New member looking for advice.

    Hi all ES folks, New member here. Just wanted to say hello. Over the past week I have been reading through lots of the great information on here. Thanks to everyone for making all this information available. A bit of info about me.... I am English, but have lived in Egypt for 10 years...
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