Portable charger...



  • Is it even possible? In the Onewheel takes 58V DC, with a AC to DC conversion. I have the http://www.energette.com/ chargers, which I use for everything - even jumpstarting cars - but the max is 19V DC out. Anyone try to use one of these to charge the OW? And if it doesn't work, are there voltage regulators that would step up DC/DC - that is, take the low V of a battery and step it to 58V to charge the Onewheel...



  • From what I've tried the only option is a shit load of batteries and an inverter. I've tried one of these one of thesehttp://www.amazon.com/Booster-ES5000-1500-Peak-Starter/dp/B000JFHNQA

    And an inverter. It works but not even a full charge. A large or group of large deep cycles with a solar charger might work but that's a lot of weight.

    Right now I bring a charger and am going to get a few light socket adapters so I can plug into lights and any other source I can find, I usually ride at night btw. If your talking about being away from any chance of finding a source in the wild and won't have a car to charge from its prob not worth hauling the weight.

    Matt



  • @kwatts There have been several threads on this subject on the forum, and the overwhelming winner seems to be this one: http://amzn.to/1TGA7i6

    Several people have bought it and say it's light enough to carry in a backpack (7lbs) and you can get 2 charges out of it. That means if you're already charged up when you leave, you'll be able to ride about 18 miles before you have to find an outlet.



  • "overwhelming winner seems to be this one: http://amzn.to/1TGA7i6....."

    That thing look pretty sweet. Just need a reason, only a matter of time.



  • @wr420 I have a need, I'm just waiting for the cash fairy to leave $300 under my pillow!



  • So our OW charger pulls 2 amps, 220 watts at 120 volts AC for 20 minutes.

    Can anyone calculate how many amp hours (Ah) a 12 volt DC battery would need to run our OW charger?



  • @wr420 said in Portable charger...:

    "overwhelming winner seems to be this one: http://amzn.to/1TGA7i6....."

    That thing look pretty sweet. Just need a reason, only a matter of time.

    Most of the best riding spots I've found are nowhere near an electrical outlet, this battery has become a necessity for my OW rides.



  • Hi. I'm pretty new to the onewheel but realise I'm going to need a portable battery.

    That Chafon looks great but unfortunately I'm in Australia and I don't know if charging it with 240V is okay. I'm pretty hopeless with electrical stuff.

    There are other brands like http://www.amazon.com/ATOTO-Source-Backup-Lightweight-Lithium/dp/B01AFLNSI4?ie=UTF8&psc=1&redirect=true&ref_=oh_aui_detailpage_o05_s00#Ask

    which is cheaper and looks exactly the same. Unfortunately they don't ship to Australia. No problem since I found a completely labeless one on ebay.

    If anyone can advise if there are issues regarding charging with 240V and how to get around it would be much appreciated.

    Cheers,



  • @s.wagstaff While not a problem for the OW charger, the Chafon specifications says "AC Input Voltage:AC 90V-140V 55/60Hz ". Which would be a problem.
    The ATOTO howeaver says AC 90V-140V 55/60Hz or AC170-260V50/60Hz, Which sounds a lot better. Here in Sweden it's 230 V.
    But Amazon usually won't ship here either. I'm not sure, but I haven't managed to order anything from amazon.com.
    And it seems only to be available on amazon.



  • have you tried amazon.co.uk? , worked for me (also a swedish resident) :)

    @germx said in Portable charger...:

    @s.wagstaff While not a problem for the OW charger, the Chafon specifications says "AC Input Voltage:AC 90V-140V 55/60Hz ". Which would be a problem.
    The ATOTO howeaver says AC 90V-140V 55/60Hz or AC170-260V50/60Hz, Which sounds a lot better. Here in Sweden it's 230 V.
    But Amazon usually won't ship here either. I'm not sure, but I haven't managed to order anything from amazon.com.
    And it seems only to be available on amazon.



  • @Dmonicle That's about 18 amps its pulling from a 12 volt battery. I use. 35 amp hour deep cycle battery. It charged it once. Did not try to see how long it would last or how many charges I mean. You may be able to try it on a 22 amp hour battery but I would not go any smaller than that. It would also need to be freshly charged.



  • @maximus Thanks for the info, once the Lifepo deep cycle batteries come down in price I might try one. There's a 10aH out there for $100 but I don't think that would get me one charge.



  • @Dmonicle

    Check out this thread for details regarding making a charger without actually having to carry your existing charger along with you.

    http://community.onewheel.com/topic/2935/diy-mobile-supercharger

    I bought a high quality digital CC/CV boost charger. (Boost charger takes a lower voltage source and boost the voltage to the necessary 58.4v needed to charge the one wheel.. CC/CV means the ability to charge at constant current or constant voltage which is what these LIFEPO4/LIPO/LI-ION batteries like.)

    The onewheel's battery is 58.4v/2.2A which is approximately 130WH .. you want to find a battery source larger than that to get 1 full charge (plus inefficiency due to the boost). Using a 36v/4.4AH battery, I was able to do 1 full charge while camping this weekend.



  • @tomtnt said in [Portable charger...]

    I bought a high quality digital CC/CV boost charger...

    interesting! could you share a link to that boost charger?

    did it charge as fast as with the regular charger?



  • https://www.amazon.com/SainSmart-Digital-Step-up-Constant-Converter/dp/B00WWIKZ3K/ref=sr_1_1?s=electronics&ie=UTF8&qid=1466057268&sr=1-1&keywords=400w+boost+converter+digital

    you can set the current at which you want to charge. I believe the stock charger charges at 2 Amps.. I think I may have pushed it charging it at 3A without issues... Will probably keep it at 2A in the future.



  • someone can help me. I want to buy this but i am not sure it will work good. Cheap ups I only need one recharge

    https://www.amazon.ca/gp/product/B002QAUN2M/ref=ox_sc_act_title_1?smid=A3DWYIK6Y9EEQB&psc=1

    Thank you


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