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Thread: ZX-1 Power Add-on owners thread

  1. #771
    Senior Member elarson's Avatar
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    Hi Keith,

    I can't help with insurance in the US and I don't know about pricing for repairs.

    My guess is that you could replace the PG Drives VR2 Joystick Controller for less than $500, especially if you can find one used. The joystick is used on quite a few electric wheelchairs, so it should not be hard to source one. Keep in mind that you will probably need to reprogram it for the ZX-1 settings, but that should not cost you much from a DME.

    Here is a link to the documentation in case you don't have it. I'm not sure if it will be the same version as yours though. http://sunrise.pgdrivestechnology.co...SK77898-05.pdf
    Partner of an incredible stroke survivor. Limitations: hemiparesis and neglect (functional paralysis and complete lack of awareness on one side). Equipment: TiLite ZRA 2 and 2GX, Spinergy ZX-1, RioMobility Firefly. Knowledge: relative newbie for high-level equipment (2012), but willing to try to help others who are new with similar limitations (definitely not a guru, but inquisitive).

  2. #772
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    Quote Originally Posted by elarson View Post
    Hi Keith,

    I can't help with insurance in the US and I don't know about pricing for repairs.

    My guess is that you could replace the PG Drives VR2 Joystick Controller for less than $500, especially if you can find one used. The joystick is used on quite a few electric wheelchairs, so it should not be hard to source one. Keep in mind that you will probably need to reprogram it for the ZX-1 settings, but that should not cost you much from a DME.

    Here is a link to the documentation in case you don't have it. I'm not sure if it will be the same version as yours though. http://sunrise.pgdrivestechnology.co...SK77898-05.pdf
    Thanks for your help elarson! I will look into it! Do you happen to have a contact with the original inventor Builder?

    Anybody else out there in the Community got some Intel?

  3. #773
    Quote Originally Posted by krshirk View Post
    Thanks for your help elarson! I will look into it! Do you happen to have a contact with the original inventor Builder?

    Anybody else out there in the Community got some Intel?
    I agree with Elarson's advice. These are a fairly common joystick used on a number of different manufacturer's powerchairs. There are many new, used and rebuilt VR2 joysticks for sale on eBay, just make sure it has the actuator function(extra 2 buttons with seat symbols). It is just plug and play, no programming is necessary.

    Here is a link to VR2 flash codes: https://support.pgdt.com/Online-Diag...R2-Flash-Codes

    I'm sure you've tried new batteries and checked all the battery connections, you may also want to try bypassing the 50 amp fuse that connects the two batteries.

  4. #774
    Senior Member robotnik's Avatar
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    Hi everybody (and for help, battery specialists)
    Is there anything to know, or something to do, after a battery change ?
    I've bought mine directly from China (they all come from China anyway...), they seem to have the same specs (see below) but... they don't work !!
    My ZX-1 seems to roll at average speed, but shuts down very abruptly if I ask for max speed ! Any idea ? Something I missed ?

    Sp?cification de la batterie
    |- style="height: 16.5pt"
    Mod?le:
    C-1215H
    Type De batterie:
    Lifepo4
    Capacit? nominale:
    15Ah
    Tension nominale:
    12 v 12.8 v
    Batterie Dimension:
    99*92*151mm ,
    Poids de la batterie:
    Sur 1.5 kg
    R?sistance interne:

    Cycle de vie:
    Plus de 2500 fois, DOD ? 80%
    Combinaison:

    Entr?e Tension De Charge
    14.6 v
    Entr?e Courant De Charge
    Norme 1A, rapide 5A
    Continu Courant De D?charge
    8A, environ 100 W
    Max Courant de D?charge
    15A, 100 w-200 w
    Tension de coupure de d?charge
    2.30 v/cellule
    Temp?rature en charge:
    0 ~ 45 degr?s centigrades
    Temp?rature de d?charge:
    -20 ~ 60 centigrades
    Temp?rature de stockage:
    -20 ~ 45 centigrades
    C6-7 since mid 2002, no hand control nor triceps.
    my website & my job (in France): Accessibility advisor www.acceslibre.eu
    Also working on a French research about Peer counseling and Empowerment.

  5. #775
    Senior Member pfcs49's Avatar
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    the peak discharge rate may be too low and the battery shuts down to protect itself? My ZX-1 with SLA batteries pulls well over 15A on hills at full throttle. I've seen 37A in spurts.
    Thanks for being the tip of the spear on this. I have stayed in my foxhole until someone more adventurous figures out what aftermarket battery fits and works well.
    I recently archived this which looks promising:https://www.powertechsystems.eu/home...ck-powerbrick/
    Although too big for the ZX1 in original configuration, I could cut the locating tab and move it aft a bit, and they could be put in on their sides. This would certainly provide a very long range if these batteries are any good.
    good luck!
    Last edited by pfcs49; 01-03-2020 at 01:19 PM.
    69yo male T12 complete since 1995
    NW NJ

  6. #776
    Senior Member robotnik's Avatar
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    Quote Originally Posted by pfcs49 View Post
    the peak discharge rate may be too low and the battery shuts down to protect itself?
    I think you're right, pcfs49 !
    It seems to be the main difference between the OEM batt and the Chinese aftermarket mine. On the specs, there's a huge gap between the "continuous discharge current" of the std LifePo4 mounted on the ZX-1 and that can offer the one I've bought !
    That said, I've found in France (finally) a product that matches, but ... there's also a big gap in the price ! They are at 250? here, instead of the Chinese model : 98? only. Maybe it's also an explanation.
    I had a look at the website https://www.powertechsystems.eu/home...ck-powerbrick/ and these products look fine (and they are french !) but I don't understand how the "powerbrick" can fit the ZX-1, even on the side. There's not enough room under the hood IMHO ?
    I have a question for you pcfs49 (and other batteries masters) : What about swapping from LifePo4 (the current batts) to Li-Ion ?
    I've seen Li-ion were less expensive and with the same enclosure, could be more powerful (I've seen 12V/20A on Alibaba) so a better range...
    Of course LifePo4 are safer, but I don't need to take a airplane with my ZX-1 anyway.
    What about the charger, and the monitor ? are they compatible ? I don't want to toast all that stuff...
    C6-7 since mid 2002, no hand control nor triceps.
    my website & my job (in France): Accessibility advisor www.acceslibre.eu
    Also working on a French research about Peer counseling and Empowerment.

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