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  1. mamu

    Raptor Flip-Top VV Mod with 20A, 120W dc/dc converter...

    No, didn't take any pics. Next time I do a build, I'll take some pics.
  2. mamu

    DNA 30 passthru project...

    I was a beta tester for the fatdaddyvapes 510 connector and that was the 510 beta version.
  3. mamu

    Raptor Flip-Top VV Mod with 20A, 120W dc/dc converter...

    For the lid, I used 6mm x 3mm (I also use 1/4" x 1/8" sometimes) and drill the hole to that size. For the case I used 4mm x 2mm - I ream the hole just an unch and press fit in place leaving a bit raised so the lid doesn't wobble. I apply Araldite to the all the holes before popping the magnets...
  4. mamu

    Raptor Flip-Top VV Mod with 20A, 120W dc/dc converter...

    Thank you for your kind words, texanator. It's 1590G and 1550P, no B box too friggin big for me lol. Strap fuses (2x 9A in parallel): MF-LR900/20-0 POT Knob: CA9M9067 (shipped from Germany - Transfer Multisort Elektronik - Electronic components) P-FET: IPD042P03L3 G lol I just realized I...
  5. mamu

    Raptor Flip-Top VV Mod with 20A, 120W dc/dc converter...

    I use a heavy duty cut-off wheel no. 420 with the dremel and remove about a half mm or so from the back half of the underside of the FDV 22mm washer. Then sand the underside of the washer smooth and even using 100 grit sandpaper. I lost 3 washers :( before I got the hang of it and got the...
  6. mamu

    Raptor Flip-Top VV Mod with 20A, 120W dc/dc converter...

    Raptor with 1590G is doable. Just have to do some creative space management and dremeling the sides a bit. 1550P is also doable but must really do some creative packing and dremeling the case and also remove the corner posts leaving just a lip for the magnets. What also...
  7. mamu

    Raptor Flip-Top VV Mod with 20A, 120W dc/dc converter...

    Just don't include those parts and wire Vin directly to one side of the fuse. If you're not using a fuse either, wire Vin directly to the batt + contact on the battery holder.
  8. mamu

    The Ruinovo DNA30

    Well done, laurie! I know how time consuming doing a tutorial is - thanks so much for taking the time and sharing with us. Absolutely awesome write-up!
  9. mamu

    Raptor Flip-Top VV Mod with 20A, 120W dc/dc converter...

    1 only - 22uF 16v.
  10. mamu

    About fuses and choosing the appropriate fuse for your mod

    parallel for each batt - stack one on top of the other with ends matching and solder together - do the same for the other set of fuses, then solder one set to each batt.
  11. mamu

    About fuses and choosing the appropriate fuse for your mod

    That's impressive that it can do 25A. I hope it has batt safety built in. 1x 7A fuse on each batt for parallel batts would only be 14A total. You have good protection, but may get annoying inadvertent tripping or partial tripping if the converter needs to pull higher than 14A. You could do...
  12. mamu

    My DNA30 box mod dropped out of my briefcase!

    If the screen broke from the fall the DNA would still fire. Since it's not firing sounds like a disconnect from the battery, so check the batt connections.
  13. mamu

    Raptor Flip-Top VV Mod with 20A, 120W dc/dc converter...

    I don't externally connect pins 3 and 10. I use pin 3 for the ground connection for the 4.7K pull-down and for the ground connection for the input caps and connect pin 10 to batt -.
  14. mamu

    Raptor Flip-Top VV Mod with 20A, 120W dc/dc converter...

    I've been using this P-FET in my latest builds - small DPak size: IPD042P03L3 https://www.digikey.com/product-detail/en/IPD042P03L3%20G/IPD042P03L3%20GCT-ND/3196584
  15. mamu

    Arlo - dual 18650 DNA20/30 step-by-step how-to

    Congratz on your new mods Mturner and laurie!!
  16. mamu

    Raptor Flip-Top VV Mod with 20A, 120W dc/dc converter...

    Follow the wiring guide for what parts are used and ignore the parts list posted in past posts - I cannot edit those posts. I can edit and upload a new wiring guide though when parts or wiring changes as that's an external link so thank goodness for that. :laugh:
  17. mamu

    Raptor Flip-Top VV Mod with 20A, 120W dc/dc converter...

    This explains why we don't use a diode... voltage drop and power loss...
  18. mamu

    Raptor Flip-Top VV Mod with 20A, 120W dc/dc converter...

    Congratz on your new mod, tex!! This is not odd behavior, but expected behavior. These buck converters require a minimum input to output ratio of around 0.5v. When the input voltage is near the output voltage the converter can't put out the volts as it needs a margin to take a higher input...
  19. mamu

    Arlo - dual 18650 DNA20/30 step-by-step how-to

    As Steamer said, positive to positive negative to negative. Fuses have no polarity though so just stack the two fuses with ends matching and solder the two ends on each side together. 2 smd fuses soldered together in parallel and 2 leaded fuses soldered together in parallel...
  20. mamu

    Arlo - dual 18650 DNA20/30 step-by-step how-to

    great paint job, Mturner! You can put what I call a "bumpie" :laugh: on the positive batt contacts. Scruff up the positive contact a bit, apply flux, then solder. If you hold the soldering iron tip a bit flat on the surface of the contact and swirl it around on the contact while applying...
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