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Forum: Flashlight Electronics - Batteries Included

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  1. Sticky Thread Sticky: Overview: All eneloop batteries; 2005-2021

    Started by ChibiM, 06-21-2013 03:41 PM
    24 Pages
    1 2 3 4 5 ... 24
    • Replies: 696
    • Views: 606,550
    07-13-2021, 06:08 PM Go to last post
  2. Exclamation Sticky Thread Sticky: CAUTION !! Misleading budget battery and lumen claims

    Started by 51coronet, 01-12-2012 12:01 AM
    5 Pages
    1 2 3 4 5
    • Replies: 145
    • Views: 182,545
    10-20-2020, 12:37 AM Go to last post
  3. Sticky Thread Sticky: 18650's Care and Maintenance

    Started by acbezzi, 07-27-2010 10:50 AM
    4 Pages
    1 2 3 4
    • Replies: 116
    • Views: 170,255
    09-11-2020, 12:09 PM Go to last post
  4. Sticky Thread Sticky: Rewrapping a battery

    Started by HKJ, 02-24-2013 08:27 AM
    3 Pages
    1 2 3
    • Replies: 72
    • Views: 115,365
    07-07-2020, 08:08 PM Go to last post
  5. Sticky Thread Sticky: Disassembly of some UltraFire batteries

    Started by HKJ, 04-11-2015 10:26 AM
    2 Pages
    1 2
    • Replies: 47
    • Views: 75,466
    01-03-2020, 01:31 AM Go to last post
  6. Sticky Thread Sticky: Using Li-ion cells in LED flashlights safely

    Started by JBorneu, 06-26-2009 09:12 AM
    11 Pages
    1 2 3 4 5 ... 11
    • Replies: 328
    • Views: 361,716
    07-23-2019, 12:23 PM Go to last post
  7. Sticky Thread Sticky: Simple guide to using a DMM for measurements

    Started by HKJ, 07-16-2009 10:43 AM
    7 Pages
    1 2 3 4 5 ... 7
    • Replies: 182
    • Views: 270,067
    04-11-2019, 06:53 AM Go to last post
  8. Wink2 Sticky Thread Sticky: Selfbuilt's CR123A Battery Comparison 2013

    Started by selfbuilt, 05-16-2013 08:15 PM
    3 Pages
    1 2 3
    • Replies: 63
    • Views: 136,148
    01-16-2018, 06:20 PM Go to last post
  1. Series vs Parallel batteries

    Started by JRTJRT, 08-03-2007 10:43 PM
    • Replies: 19
    • Views: 12,622
    07-21-2021, 08:46 PM Go to last post
  2. Popcorn SkyRC — IFA 2014 — MC3000 charger-analyzer

    Started by kreisl, 08-30-2014 05:26 AM
    182 Pages
    1 2 3 4 5 ... 182
    • Replies: 5,439
    • Views: 1,583,592
    07-21-2021, 02:35 PM Go to last post
  3. Streamlight polystinger charging issues

    Started by vicv, 07-20-2021 05:07 PM
    • Replies: 6
    • Views: 239
    07-21-2021, 12:02 PM Go to last post
    • Replies: 0
    • Views: 202
    07-18-2021, 05:33 AM Go to last post
  4. Charger Recommendations 2021

    Started by SYZYGY, 07-02-2021 01:26 PM
    • Replies: 14
    • Views: 848
    07-14-2021, 11:40 AM Go to last post
  5. How do they do it? (adjust light output)

    Started by UFO, 07-13-2021 02:25 PM
    • Replies: 9
    • Views: 807
    07-14-2021, 09:35 AM Go to last post
  6. Li-ion small cell charger ICs

    Started by Dave_H, 07-12-2021 01:34 PM
    • Replies: 1
    • Views: 315
    07-12-2021, 07:07 PM Go to last post
  7. Xtar Dragon - better instructions

    Started by louie, 03-11-2018 01:45 PM
    2 Pages
    1 2
    • Replies: 34
    • Views: 11,234
    07-11-2021, 11:05 AM Go to last post
    • Replies: 8
    • Views: 1,742
    07-10-2021, 08:22 PM Go to last post
    • Replies: 3
    • Views: 305
    07-10-2021, 08:13 PM Go to last post
  8. Why don't 26650s have more capacity?

    Started by rickypanecatyl, 07-07-2021 10:06 PM
    • Replies: 8
    • Views: 424
    07-09-2021, 10:14 AM Go to last post
  9. This got me thinking...

    Started by UFO, 07-07-2021 09:26 AM
    • Replies: 6
    • Views: 482
    07-08-2021, 07:48 AM Go to last post
    • Replies: 6
    • Views: 480
    07-08-2021, 05:45 AM Go to last post
  10. Thinking 25950 cell?

    Started by capsicum, 06-04-2021 04:10 PM
    • Replies: 3
    • Views: 676
    07-08-2021, 12:01 AM Go to last post
  11. Runtime and mah: lithium ion vs Ni-MH

    Started by StephenD, 07-07-2021 02:23 AM
    • Replies: 4
    • Views: 318
    07-07-2021, 04:47 PM Go to last post
  12. Question about batteries and solar charging

    Started by LEDrock, 06-13-2021 07:44 PM
    3 Pages
    1 2 3
    • Replies: 63
    • Views: 3,251
    07-05-2021, 12:32 PM Go to last post
    • Replies: 0
    • Views: 380
    07-04-2021, 06:05 AM Go to last post
  13. Costco - new 12 AA duracell 2500 lm

    Started by abhi555, 08-24-2020 02:30 PM
    • Replies: 16
    • Views: 5,611
    07-03-2021, 09:42 AM Go to last post
    • Replies: 29
    • Views: 15,215
    07-03-2021, 04:50 AM Go to last post
    • Replies: 0
    • Views: 542
    06-28-2021, 05:18 AM Go to last post
  14. reclaiming alkaline (and other) cells

    Started by Dave_H, 12-31-2020 09:02 AM
    2 Pages
    1 2
    • Replies: 33
    • Views: 3,608
    06-27-2021, 12:27 PM Go to last post
    • Replies: 20
    • Views: 1,838
    06-24-2021, 10:37 AM Go to last post
  15. LiFePO4 dead cell recovery

    Started by Dave_H, 06-18-2021 08:24 AM
    • Replies: 6
    • Views: 645
    06-24-2021, 10:29 AM Go to last post
  16. 16650 Battery

    Started by UFO, 06-24-2021 09:38 AM
    • Replies: 1
    • Views: 445
    06-24-2021, 10:16 AM Go to last post
  17. CR-123A Question

    Started by UFO, 06-23-2021 10:57 AM
    • Replies: 6
    • Views: 567
    06-24-2021, 09:26 AM Go to last post
  18. Highest drain (Amps) 16340 battery?

    Started by ipaulr, 03-06-2021 04:48 PM
    • Replies: 5
    • Views: 996
    06-23-2021, 05:49 PM Go to last post
  19. Upgrade from an old Nitecore D4

    Started by smasher, 06-22-2021 04:04 AM
    • Replies: 1
    • Views: 545
    06-22-2021, 06:21 PM Go to last post
    • Replies: 0
    • Views: 542
    06-21-2021, 07:22 AM Go to last post
  20. Test/review of Evva 21700 5000mAh (Black-silver) 2021

    Started by HKJ, 06-14-2021 07:10 AM
    • Replies: 4
    • Views: 716
    06-18-2021, 06:19 AM Go to last post
  21. How do charger chips work?

    Started by XTAR Light, 06-18-2021 02:30 AM
    • Replies: 0
    • Views: 421
    06-18-2021, 02:30 AM Go to last post
  22. Short review - Keeppower 3V RCR123A

    Started by pancakeayaka, 05-23-2021 01:39 AM
    • Replies: 20
    • Views: 2,069
    06-15-2021, 10:22 AM Go to last post
  23. HIGH internal resistance eneloops

    Started by adrianmariano, 06-08-2021 01:41 PM
    2 Pages
    1 2
    • Replies: 32
    • Views: 2,430
    06-14-2021, 08:39 PM Go to last post
  24. Fill negative space

    Started by kerneldrop, 06-12-2021 09:11 AM
    • Replies: 15
    • Views: 1,356
    06-13-2021, 11:55 PM Go to last post
    • Replies: 0
    • Views: 590
    06-13-2021, 04:53 PM Go to last post
  25. Help with tool batterys

    Started by raggie33, 06-11-2021 02:36 PM
    • Replies: 9
    • Views: 1,255
    06-12-2021, 04:36 PM Go to last post
  26. Custom Aluminium Spare Cell Keyring Carriers

    Started by Face, 06-08-2021 09:04 AM
    • Replies: 3
    • Views: 836
    06-11-2021, 07:35 AM Go to last post
  27. 18650 cell adapter tube

    Started by Dave_H, 05-02-2021 08:59 AM
    • Replies: 8
    • Views: 1,445
    06-05-2021, 07:39 PM Go to last post
  28. AA or C-cell NiMH, that is the question...

    Started by kilogulf59, 06-01-2021 06:40 AM
    • Replies: 15
    • Views: 1,236
    06-04-2021, 05:25 AM Go to last post
    • Replies: 0
    • Views: 723
    06-03-2021, 07:00 PM Go to last post
  29. Charger for longer length batteries.

    Started by wjv, 06-02-2021 04:19 PM
    • Replies: 4
    • Views: 752
    06-02-2021, 09:23 PM Go to last post
    • Replies: 8
    • Views: 1,002
    05-31-2021, 09:46 AM Go to last post
  30. Fun coin cell fact

    Started by turbodog, 05-17-2021 06:06 PM
    • Replies: 11
    • Views: 1,258
    05-29-2021, 12:58 AM Go to last post
  31. Orbtronic vs other brands of NCR18650GA

    Started by etc, 05-18-2021 03:15 PM
    • Replies: 6
    • Views: 1,027
    05-28-2021, 11:18 AM Go to last post
    • Replies: 0
    • Views: 529
    05-28-2021, 01:43 AM Go to last post
  32. Eneloop Pro & LADDA Long Term Testing

    Started by Pookeyhead, 05-27-2021 03:39 AM
    • Replies: 1
    • Views: 896
    05-27-2021, 07:01 PM Go to last post
  33. Need help, still stuck!

    Started by Senna Fan, 05-24-2021 09:32 PM
    • Replies: 1
    • Views: 827
    05-26-2021, 06:41 PM Go to last post
  34. Tenergy - How Do They Stack Up?

    Started by kilogulf59, 04-20-2021 06:30 AM
    • Replies: 5
    • Views: 1,587
    05-25-2021, 06:38 AM Go to last post
    • Replies: 10
    • Views: 3,820
    05-23-2021, 04:14 AM Go to last post

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