• Howdy! we're looking for donations to finish custom knowledgebase software for this forum. Please see our Funding drive thread

Search results

Date Relevance Most replies

  1. D

    Which cell for long lasting battery

    Hey guys, at the moment i have a 7P13S battery consisting of 91 LG MG1 and after only about 170 cycles it lost already about 40%. I tested it multiple times and its quite disappointing. My setup looks like following: Charge overnight with about 3A or 0,3C. Commuting to work and back, each...
  2. D

    Zero MX without battery

    Hey guys, i want to build a new battery for a zero mx and need to by a zero mx without a battery. But i really jas everything else like agni an alltrax and such. My question is how much should i pay for it on a european market. Thanks :)
  3. D

    Zero MX 2012 Battery Build

    Hey guys, i have a Zero MX 2012 without a battery.So i need to build a battery for it. Does anybody know how much Ah they have. I figured out it has 14 cells in series. But dont know the exact Ah but at 3kWh it would be around 60Ah Also very important, how much Amperes does the BMS draw from the...
  4. D

    How to repair broken LiPo tabs

    This will be a guide on fixing broken off LiPo tabs. Recently I just had some Lipo pouches laying around but some of them had broken off tabs, so i can't use them properly. And because the broken off tabs are made with aluminium we can't solder them properly. All in all thats very bad because...
  5. D

    What motor is this ? 9C 2810?!

    Hey guys, i wanted to build an e bike for my brother. We found this cheap auction on ebay, but we will only use the motor if it is good. Does anybody know what kind of motor this is? For sure more than 250W I guess. Its rated for 25Kmh on 36V we plan to run it on 48V with 4110 controller. My...
  6. D

    Oil cooling for 18650

    Hello, my idea is to use the air gap between the cellls if you weld them using these cell holders. The complete battery pack comes in a enclosed box, eg aluminium, with 4 connectors. 2 electrical and 2 fot the oil input and output. Transformer oil would be a good choice since it is used it hv...
  7. D

    3/8" steel torque arm

    I made myself a torque arm out of 10mm S235JR steel. Now the arm itself should be bulletproof i'm not sure if my frame will. But i'm not sure about the mount location. On the chain side i can only bolt on a small hole and on the brake side i will bolt it to the IS mount. My system is: 9C 2805...
  8. D

    9C 2810 high RPM noise

    Hello all, i have a New 2810 and everything works fine yet, except a really high pitch which appears only after passing a specific point. Since i made a small video it will describe it much better. My controller is a KU123 and battery a 48V 13Ah Konion pack. I also dissasembled the motor and...
  9. D

    A123 20ah Cells on eBay

    I found these low priced cells on eBay http://www.ebay.de/itm/LifePo4-3-2v-20ah-A123-Powerful-20ah-PRISMATIC-CELLS-Air-shipping-/161042483465?pt=US_Rechargeable_Batteries&hash=item257ee14909 the problem i think is that they have short tabs, but the quality should be okay. What do you think ?
Back
Top