Discussion Batteries

Discussion in 'Console Modding 101' started by Matthew, Oct 14, 2016.

  1. NordFive .

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    Cool thanks. I thought so but figured I'd check with you guys haha. I'll just go with whatever is cheaper since I don't really care much about the barrel plug anyways.
     
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  2. E64 .

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  3. Crazzyleprechaun Formerly known as GarageFactory .

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  4. link270 .

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    Am I correct in thinking I could get something like this:

    https://www.amazon.com/dp/B06XQRQR3Q/ref=cm_sw_r_cp_api_1UABzbQDFDFQK

    Then as long as I’m feeding 5V into it vía a micro usb cable it should be able to charge and protect y batteries? I am getting the 4 Panasonic’s mentioned in the BOM, so I’m assuming I’d also want to wire them inline in pairs of two then in a series to get the higher voltage?

    Am I way off here or on the right track?
     
  5. Aurelio The Fixer ᕕ( ᐛ )ᕗ Staff Member . . . . .

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    You can't use those to charge 2S (7.4V) battery packs
     
  6. link270 .

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    Yes you are right, thanks! Going to read more in battery university and think a little harder before posting random questions.
     
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  7. DeoNaught .

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    Any thoughts for using these for a wii portable?
     
  8. cheese the tallest memer in town Staff Member . . .

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    People have used those in the past, there's nothing inherently wrong with them, but depending on your case or other restraints, the 18650 batteries may be more suitable than the flat cells.
     
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  9. Spencer Richardson .

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    They are also quite a bit more expensive.
     
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  10. Davuld86 .

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    I've seen a lot of people use 4 batteries in their portables, is this how they're setting it up and if so, what is the recommended PCM for this kind of setup?
    Series and Parallel.png
     
  11. GingerOfOz no wario Staff Member . .

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    Umm... Would you mind posting the PCB you want to use?
     
  12. Matthew Formally known as Chaos Staff Member . .

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    That is the general setup of batteries, yes. The recommended PCM is located in the BOM. In fact, ALL of the recommended items from screens to batteries to buttons are located there. So if you are curious what people recommend go look there first.
     
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  13. Davuld86 .

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    Really just the one in the BOM because I don't want to take any risks, I was really just wondering whether or not that setup would make those batteries explode or not thanks and sorry I wasn't clear on that.

    Thanks, I didn't know if the one in the BOM would work with that kind of set up.
     
  14. Stitches 2 and a Half Dollarydoos Staff Member . .

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    There should be a BM terminal on the PCB if it's a 7.4v one.
     
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  15. link270 .

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    What’s a good recommended way to make a battery status/level indicator? Or even just a low battery indicator?
     
  16. GC64 .

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  17. cheese the tallest memer in town Staff Member . . .

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  18. link270 .

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    love how quick you guys are with your answers!

    Thanks!
     
  19. link270 .

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    Sorry for the double post.

    I set up the circuit mentioned by @GC64 and have been messing with it to figure out what resistance and voltage to set the light to come on via the pot.

    What’s a good voltage to trigger the low battery light? I saw each cell can go down to 3V safely, but unsure when the pcb (from the BOM) will stop discharging them and really at what rate it’ll decrease from a normal trimmed wii. I know I’ll have to do my own testing and verification to get it rally specific, but is there any typical voltage most will set it to to indicate a lower battery, like roughly 40 minutes of play time left?
     
  20. Stitches 2 and a Half Dollarydoos Staff Member . .

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    @Gman has this down to a science.
     

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