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  1. Mooch

    XTAR ST2—A safe and fast battery charger for your mod/vaping devices

    Thank you! I require at least two units plus the Xtar AC adaptor. I have been contacted via WeChat and we’re making arrangements.
  2. Mooch

    Hello.

    I own a cat? Not sure where that rumor came from. Hmm...maybe that explains the bad smell from under my fridge though. :p
  3. Mooch

    XTAR ST2—A safe and fast battery charger for your mod/vaping devices

    Hello Justin, I’d like to test this charger but I am unable find it on Amazon or EBay. Aliexpress has it but I do not know if it includes Xtar’s charging block (with US plug). Do you have any recommendations for where I can buy the ST2 with the charger block? Thank you! Regards, Mooch
  4. Mooch

    The first six charger test reports are now available

    The test reports for the first batch of chargers to be tested have been made public. The links are available in the Index to my blog at ECF: Index | E-Cigarette Forum The chargers are the Efest LUC V4 and V6, MiBoxer C4-12, Nitecore D4 Digicharger and New i4 Intellicharger, and the XTAR Dragon...
  5. Mooch

    Vape batteries in space!

    We have a bit of experience here but NASA has published several papers with loads of safety and performance testing of COTS 18650 cells, all towards qualifying cells and pack designs for aerospace/space use.
  6. Mooch

    Vape batteries in space!

    Actually, NASA has done a lot of off-the-shelf 18650 safety testing and they have several papers on the web to check out. 18650 cells are used in systems such as EVA suit life support, glove heaters, lights, tools, etc., used during EVA activities in space. There are 18650 packs in multiple ISS...
  7. Mooch

    Upgrading the temperature measuring gear for battery testing

    I wouldn’t have the time to test that for you but even just power resistors and an inexpensive voltmeter will allow you to compare different cells at different temperatures. Soaking the cells overnight in a freezer and then adding the dry ice (finely crushed) and putting it all back in the...
  8. Mooch

    All charger testing will be made public

    There’s no single test page. My Patreon page has the test reports as posts on my wall there. The first set of reports go public on July 9th.
  9. Mooch

    skyrc mc3000?

    I mentioned it in my charger post...the first batch goes public July 9th. The second batch is perhaps 6 weeks from now, 30 days after I finish testing them.
  10. Mooch

    skyrc mc3000?

    Yup, thanks. :) I have the two-fan version and will be upgrading the firmware from V1.13 to V1.14 before testing.
  11. Mooch

    Upgrading the temperature measuring gear for battery testing

    I “stole” the trustworthy Omegaette HH306A temperature meter from my day job testing station and have been using to measure vaping cell temperature during testing. It’s time to move it back permanently. It’s just too annoying moving it back and forth when needed. The other meters I have can be...
  12. Mooch

    skyrc mc3000?

    Good luck! Charging to a lower voltage will reduce the capacity a bunch (your vaping time) but should help extend overall battery life a lot as long as they’re not otherwise abused. Stay below their current rating, never let them get below 2.5V (3.0V is better), never let them get more than a...
  13. Mooch

    Tease

    Thanks. That voltage drop is essentially zero.:)
  14. Mooch

    Tease

    Please delete
  15. Mooch

    Tease

    Looking forward to seeing your results! How well are the magnets working for you in terms of their voltage drop? I’ve always been tempted to use them for lower current stuff but just haven’t taken the time to measure the voltage drops.
  16. Mooch

    skyrc mc3000?

    I said triple? Or did I just say it could be greatly extended if not otherwise abused?
  17. Mooch

    All charger testing will be made public

    I originally wanted to offer my incredible patrons something for their support, as I don’t have the classic rewards that are part of what many Patreon creators offer, so charger testing was going to be just for them. They paid for the chargers and supported me so I could test the chargers full...
  18. Mooch

    4000 cycle 21700?

    Several thousand cycles is easy with almost any Li-Ion battery when you severely limit how far it is charged, how far down it is discharged, and actively cool/heat it as necessary to extend overall life. Automotive battery packs are incredibly expensive so they go to great lengths to try to...
  19. Mooch

    Vapcell IFR26650 2600mAh 55A/75A (red, LiFePO4) reviewed

    I mentioned that it can’t be used in regulated devices unless an Evolv DNA board is used and set for the very low cutoff required but that in series in a mech it would be incredible. IIRC there are a decent number of vapers in Germany who do this.