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  1. A

    How quickly do Batteryhookup.com respond to emails usually?

    I contacted them a couple of days ago via email and Instagram regarding a missing item in an order and I haven't got a response to either. I haven't phoned them because I'm worried that the international call charges would exceed the cost of the missing item.
  2. A

    Easiest/most affordable way to make or get a LiFePo4 pack?

    I just want to make sure before purchasing batteries and connectors that I'll be arranging everything correctly. So I did this rough model on Tinkercad, are the busbar connectors orientated correctly for 4s3p...
  3. A

    Is EVComponents.com a trustworthy place to purchase batteries from?

    Not sure if this should be posted in the review section or the battery section but... I would like to purchase some Headway 40152s 15ah cells for delivery to the UK and the price on EVComponents looks pretty good, I've found some pretty positive reviews about the website on this forum but the...
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    Easiest/most affordable way to make or get a LiFePo4 pack?

    Well that was unfortunate, having left it until now to purchase the cells, it appears that Batteryhookup is out of (sufficient) stock of 40152s. Can anyone suggest anywhere else that stocks Headway 40152s cells and ships internationally for a reasonable price? Thanks for the info Red...
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    Easiest/most affordable way to make or get a LiFePo4 pack?

    Oh I totally missed that, I was looking at a different website for connectors after not being able to see the plastic cell holders for the 40152s on Batteryhookup, thanks. I wish I knew of a good local hardware store, I found one a few years ago that had been established for decades and then it...
  6. A

    Easiest/most affordable way to make or get a LiFePo4 pack?

    I think I'll be sticking with cylindrical cells then. I have been messing around with cell orientation and if I reduce the battery count down from 4x12v packs to 3x12v packs and rearrange the cells so that they're rotated 90° I can fit them in without having to modify the enclosure. In order to...
  7. A

    Easiest/most affordable way to make or get a LiFePo4 pack?

    I found another page showing the size of the 40152 cells mounted in the holders and they're just a bit too big to fit, I could tweak the battery compartment to fit by sacrificing driver space but I'd rather not do that so I had a look for alternative batteries and found Eve LFP batteries like...
  8. A

    Easiest/most affordable way to make or get a LiFePo4 pack?

    I misread the voltage on one of the amplifiers and it tops out at 46v instead of 48v so I'm going to go for 45v as a shared voltage. I had a look on the batteryhookup website and compared the cell and holder measurements to the battery space I have, depending on whether I go for the 8ah 38120...
  9. A

    Easiest/most affordable way to make or get a LiFePo4 pack?

    https://m.aliexpress.com/item/1005002306907257.html I was recommended this BMS for use with the LiPo batteries but it appears to be more suitable for Lifepo4, according to the seller the parameters are fully adjustable but can you tell if it does have the full functionality that I'd need to...
  10. A

    Easiest/most affordable way to make or get a LiFePo4 pack?

    Sorry for the late reply, I don't know why but I didn't get any email notification of replies. Someone previously told me that the amplifiers should only be pulling about 10.4A peak power but that was worked out by dividing the wattage of the boost converter with voltage of the output, I don't...
  11. A

    Easiest/most affordable way to make or get a LiFePo4 pack?

    I have been recommended to purchase LiFePo4 cells and build a pack to power a small speaker project. I'm a complete noob at doing anything with batteries that isn't plug and play and I'm not comfortable with the idea of soldering batteries so if there's a sort of modular...
  12. A

    Is lipo too unbalanced or do I just need a better balance charger?

    I think it was stored at around 3.9v per cell, when I checked recently 2 cells were around 3.85 and 2 were around 3.70 so if anything it seems they got a little further apart during charging. If I do have to dispose of the pack is 3.3v a sufficient point to discharge it to or should I try to...
  13. A

    Is lipo too unbalanced or do I just need a better balance charger?

    I have a lipo which has been in storage and unused for a few years and having checked it recently the cells are sitting at 3.79, 3.79, 4.10 and 4.10. I have tried balance charging it before discharging it back to approximately storage voltage and it doesn't seem to have made a difference to how...
  14. A

    help finding an appropriate 3s lipo

    I have a Turnigy Reaktor balance charger, so far I've just used the standard balance charge for everything but do you know if it's possible to set a limit for the balance charge to 4.1v?
  15. A

    help finding an appropriate 3s lipo

    the amplifier has a small but chunky heatsink with a small computer style fan on top which should do a good job of keeping it cool and as i intend to use it outside it should keep extra cool, now being in the UK the default weather is rain regardless of the time of year so as much as i intend to...
  16. A

    help finding an appropriate 3s lipo

    i had another look at the sure tk2050 user manual link on parts express (weirdly i didn't get a paper copy with my amp) to double check the max voltage and it seems to list two maximum voltages, in the Electrical Characteristics section it says the max input voltage is 30V but in the Overview...
  17. A

    help finding an appropriate 3s lipo

    ok well i did do that google search before posting here after failing to find anything on hobbyking, however i wasn't sure if mixing different brands of batteries would be okay and im a bit hazy on whether its ok to have 2 batteries with different C ratings connected together (the overlander...
  18. A

    help finding an appropriate 3s lipo

    i bought two high capacity Turnigy Multistar 4s 10000mah batteries to link in series for 8s but i made a mistake on the voltage i needed and i actually need 7s so i want to purchase a 3s battery to go with one of my 4s batteries, im having a hard time finding an appropriate battery though so can...
  19. A

    Noobs first micro kart

    Except that in my case i would be carrying it, i don't drive so my only means of transporting something like this is by train and by foot. I have considered incorporating something like a wheely bar so i can drag it but still the less weight the better. From my experience with transporting a...
  20. A

    Noobs first micro kart

    ok so if i want to move at low speeds from a standing start (no push), what motor should i go for? iv been looking at the Turnigy outrunner motors which seem to be a popular choice for skateboards, 5065 and 6374 motors seem to be the main sizes used, is the larger motor more powerful or simply...
  21. A

    Noobs first micro kart

    I accidentally found that chibikart page a while ago and it's why I even considered a micro kart as a doable thing, I intend to use aluminium extrusion for my chassis but I'll be modifying the steering and changing the layout a bit. I've been looking at Alien Power System motors because I heard...
  22. A

    Noobs first micro kart

    I'll pretty much have to make it from scratch, i need an almost recumbent seating position and a 50cc kart steering column would probably be too tall...
  23. A

    Noobs first micro kart

    *couldn't find an e-kart subsection, sorry if this is in the wrong place. I want to build a micro kart using some spare longboard wheels (90mm), iv tried reading through the forums for ideas but my grasp of motor/battery/ESC knowledge is dismally lacking, so if someone could tell me what...
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