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  1. Mooch

    Bench Test Results: Vapcell Red LiFePO4 55A 2600mAh 26650...great performer but DO NOT BUY

    These tests below only note the ESTIMATED ratings for these batteries at the time I tested them. Any battery that is not a genuine Samsung, Sony, Murata, LG, Panasonic, Molicel, or Sanyo can change at any time! This is one of the hazards of using “rewrapped” or batteries from other manufacturers...
  2. Mooch

    Circuit idea

    iIRC you can do this with a DPDT switch. There are schematics available online for examples. You’ll need a switch with a high enough current rating though.
  3. Mooch

    Bench Test Results: Hohm Tech Hohm Stretch 22.1A 2944mAh 18650...accurately rated

    These tests below only note the ESTIMATED ratings for these batteries at the time I tested them. Any battery that is not a genuine Samsung, Sony, Murata, LG, Panasonic, Molicel, or Sanyo can change at any time! This is one of the hazards of using “rewrapped” or batteries from other manufacturers...
  4. Mooch

    Minding Your mAhs Ep23 uploaded – Batteries and water = Danger?

    Minding Your mAhs Ep23 has been uploaded to my Battery Mooch YouTube channel. Many people say it is dangerous if a Li-Ion battery is dropped into water. Is this true? What about something more conductive? I do the tests and find out.
  5. Mooch

    Mooch’s biggest fan! Okay...maybe not

    Today’s entertainment is brought to you by someone named Sihla Roby Roby on Facebook. She’s a real charmer and, obviously, a master of the English language! It’s the intellectual conversations like these that I truly cherish.
  6. Mooch

    Bench Test Results: Hohm Tech Hohm Life 20.7A 3077mAh 18650...accurately rated

    These tests below only note the ESTIMATED ratings for these batteries at the time I tested them. Any battery that is not a genuine Samsung, Sony, Murata, LG, Panasonic, Molicel, or Sanyo can change at any time! This is one of the hazards of using “rewrapped” or batteries from other manufacturers...
  7. Mooch

    What button top battery to replace AW IMR 18650 3.7v 2200mAh ?

    How do I measure temperature? I use a Fluke 52 II digital thermometer and type-k thermocouples, taped directly to the metal can of the battery during my testing. Anything over 40°C-45°C starts aging the battery faster. This barely feels warm through a battery wrap. If the battery feels more...
  8. Mooch

    What button top battery to replace AW IMR 18650 3.7v 2200mAh ?

    80W Yes, Sony rates it at 30A. But it runs hotter than other batteries at their rating so I rate it at 23A to allow direct comparison of different batteries. Batteries are typically rated for their expected use. The VTC4 was probably rated for power tool and other non-continuous use. Other...
  9. Mooch

    Bench Test Results: Lithium Werks 30A 1100mAh LiFePO4 18650...best stacked mech battery, but...

    There’s always a tradeoff when it comes to batteries. :)
  10. Mooch

    Bench Test Results: Lithium Werks 30A 1100mAh LiFePO4 18650...best stacked mech battery, but...

    These tests below only note the ESTIMATED ratings for these batteries at the time I tested them. Any battery that is not a genuine Samsung, Sony, Murata, LG, Panasonic, Molicel, or Sanyo can change at any time! This is one of the hazards of using “rewrapped” or batteries from other manufacturers...
  11. Mooch

    Bench Test Results: Basen Gold 25A/50A 2400mAh 18650...overrated junk, DO NOT BUY

    These tests below only note the ESTIMATED ratings for these batteries at the time I tested them. Any battery that is not a genuine Samsung, Sony, Murata, LG, Panasonic, Molicel, or Sanyo can change at any time! This is one of the hazards of using “rewrapped” or batteries from other manufacturers...
  12. Mooch

    Battery Hall of Shame Video Ep01: Basen Gold 25A/50A 2400mAh 18650

    The first video for my Battery Hall of Shame series has been uploaded to my Battery Mooch YouTube channel. This Basen Gold 25A/50A 2400mAh 18650 is preposterously overrated junk. DO NOT BUY! If you have this battery then ask Basen why they lied to you.
  13. Mooch

    Bench Test Results: LG Blue HG2...called “HG2L” by some, performs like lower grade brown HG2

    These tests below only note the ESTIMATED ratings for these batteries at the time I tested them. Any battery that is not a genuine Samsung, Sony, Murata, LG, Panasonic, Molicel, or Sanyo can change at any time! This is one of the hazards of using “rewrapped” or batteries from other manufacturers...
  14. Mooch

    Batteries

    Agreed. BatteryHookup has some great deals but not for us. Great for ebikes and the DIY powerwall communities though.
  15. Mooch

    Cold Weather Battery Tips

    It’s getting chilly here in New York City so I thought I’d post a few tips for the coming Winter... - Never leave your batteries, or a device with batteries in them, outside overnight. The batteries are typically rated down to -20°C/-4°F but they can damaged if they are suddenly used hard. -...
  16. Mooch

    Bench Test Results: Hohm Tech Hohm Work 2 – 25.3A 2547mAh 18650...accurately rated, great performer

    These tests below only note the ESTIMATED ratings for these batteries at the time I tested them. Any battery that is not a genuine Samsung, Sony, Murata, LG, Panasonic, Molicel, or Sanyo can change at any time! This is one of the hazards of using “rewrapped” or batteries from other manufacturers...
  17. Mooch

    Shinyitis Support Group

    With these chargers being so inaccurate when measuring IR it wouldn’t help much to do an IR tutorial. :) I recommend reading the IR at least five times, preferably more and taking the battery out and putting it back in each time, to try to get a really rough idea of what the DC IR is when using...
  18. Mooch

    Should I charge my battery up to 4.2 volt

    Charging to a lower voltage will increase overall cell life, especially if charging to only 4.0V. But that needs to be weighed against the shorter run time you’d get and more frequent charging you’d need to do. How much of an increase in overall life you could get depends fundamentally on how...
  19. Mooch

    Hello, I don’t know anything about what batteries those Provari’s need but I am happy to try to...

    Hello, I don’t know anything about what batteries those Provari’s need but I am happy to try to help.
    • Mooch
    • Profile post comment
  20. Mooch

    Bench Test Results: Xtar ST2 dual-4.1A charger

    Thank you for your kind words!
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