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  4. Powering the VOXL 2 as a Standalone Computer

Powering the VOXL 2 as a Standalone Computer

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  • Mihir BalaM Offline
    Mihir BalaM Offline
    Mihir Bala
    Contributor
    wrote on last edited by
    #1

    Hello,

    I was wondering if anyone had insight on what battery to purchase for the VOXL 2 if I want to use it as a standalone lightweight mobile computer. I would ideally like the battery to weigh < 50g (the lighter the better) and would like for it to power the VOXL 2 for at least 30 minutes. I don't know much about batteries and so I would appreciate any help. Thanks!

    ? 1 Reply Last reply
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    • Mihir BalaM Mihir Bala

      Hello,

      I was wondering if anyone had insight on what battery to purchase for the VOXL 2 if I want to use it as a standalone lightweight mobile computer. I would ideally like the battery to weigh < 50g (the lighter the better) and would like for it to power the VOXL 2 for at least 30 minutes. I don't know much about batteries and so I would appreciate any help. Thanks!

      ? Offline
      ? Offline
      A Former User
      wrote on last edited by
      #2

      @Mihir-Bala

      We sell a number of batteries on our website https://www.modalai.com/collections/all?filter.p.tag=batteries

      Hope this helps!

      Thomas

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      • Mihir BalaM Offline
        Mihir BalaM Offline
        Mihir Bala
        Contributor
        wrote on last edited by
        #3

        Hi Thomas,

        Thanks for your help. I was however looking for something much lighter, ideally under 50g. All of the batteries you sell are over 150g and are also designed to power the rotors (and so I assume are much more powerful than what is necessary to power just the VOXL 2). What specs should I look for if I just want to power the VOXL 2 and nothing else (other than, say, an attached 5G modem)? Thanks in advance for your assistance.

        VinnyV 1 Reply Last reply
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        • Mihir BalaM Mihir Bala

          Hi Thomas,

          Thanks for your help. I was however looking for something much lighter, ideally under 50g. All of the batteries you sell are over 150g and are also designed to power the rotors (and so I assume are much more powerful than what is necessary to power just the VOXL 2). What specs should I look for if I just want to power the VOXL 2 and nothing else (other than, say, an attached 5G modem)? Thanks in advance for your assistance.

          VinnyV Offline
          VinnyV Offline
          Vinny
          ModalAI Team
          wrote on last edited by
          #4

          Hi @Mihir-Bala
          You will need a 2S minimum to satisfy all the requirements of our power module: https://docs.modalai.com/power-module-v3-datasheet/
          Then, you need to do the math to support a 30Watt transient on power up... which equates to a ~5amp burst at the low end of the 2S cell ~6.4V.
          So, if you have a 1,000mAh cell at 2S, that will require a 5C rating.
          If you have a 2,000mAh cell, you need ~2.5C rating, and so on...

          Hope this helped!

          Mihir BalaM 1 Reply Last reply
          3
          • VinnyV Vinny

            Hi @Mihir-Bala
            You will need a 2S minimum to satisfy all the requirements of our power module: https://docs.modalai.com/power-module-v3-datasheet/
            Then, you need to do the math to support a 30Watt transient on power up... which equates to a ~5amp burst at the low end of the 2S cell ~6.4V.
            So, if you have a 1,000mAh cell at 2S, that will require a 5C rating.
            If you have a 2,000mAh cell, you need ~2.5C rating, and so on...

            Hope this helped!

            Mihir BalaM Offline
            Mihir BalaM Offline
            Mihir Bala
            Contributor
            wrote on last edited by
            #5

            @Vinny yes thanks so much! I'll look into it.

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