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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: 694
    • Views: 601,326
    06-10-2021, 06:47 AM 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: 179,255
    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: 168,065
    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: 113,494
    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: 74,348
    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: 357,261
    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: 267,370
    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: 134,266
    01-16-2018, 06:20 PM Go to last post
    • Replies: 20
    • Views: 1,207
    Today, 10:37 AM Go to last post
  1. LiFePO4 dead cell recovery

    Started by Dave_H, 06-18-2021 08:24 AM
    • Replies: 6
    • Views: 303
    Today, 10:29 AM Go to last post
  2. 16650 Battery

    Started by UFO, Today 09:38 AM
    • Replies: 1
    • Views: 81
    Today, 10:16 AM Go to last post
  3. CR-123A Question

    Started by UFO, Yesterday 10:57 AM
    • Replies: 6
    • Views: 201
    Today, 09:26 AM Go to last post
  4. Question about batteries and solar charging

    Started by LEDrock, 06-13-2021 07:44 PM
    2 Pages
    1 2
    • Replies: 49
    • Views: 1,541
    Today, 07:32 AM Go to last post
  5. Highest drain (Amps) 16340 battery?

    Started by ipaulr, 03-06-2021 04:48 PM
    • Replies: 5
    • Views: 726
    Yesterday, 05:49 PM Go to last post
  6. Popcorn SkyRC — IFA 2014 — MC3000 charger-analyzer

    Started by kreisl, 08-30-2014 05:26 AM
    181 Pages
    1 2 3 4 5 ... 181
    • Replies: 5,406
    • Views: 1,570,025
    Yesterday, 08:58 AM Go to last post
  7. Upgrade from an old Nitecore D4

    Started by smasher, 06-22-2021 04:04 AM
    • Replies: 1
    • Views: 135
    06-22-2021, 06:21 PM Go to last post
    • Replies: 0
    • Views: 157
    06-21-2021, 07:22 AM Go to last post
  8. reclaiming alkaline (and other) cells

    Started by Dave_H, 12-31-2020 09:02 AM
    2 Pages
    1 2
    • Replies: 32
    • Views: 2,832
    06-20-2021, 11:55 AM Go to last post
  9. Test/review of Evva 21700 5000mAh (Black-silver) 2021

    Started by HKJ, 06-14-2021 07:10 AM
    • Replies: 4
    • Views: 422
    06-18-2021, 06:19 AM Go to last post
  10. How do charger chips work?

    Started by XTAR Light, 06-18-2021 02:30 AM
    • Replies: 0
    • Views: 169
    06-18-2021, 02:30 AM Go to last post
  11. Short review - Keeppower 3V RCR123A

    Started by pancakeayaka, 05-23-2021 01:39 AM
    • Replies: 20
    • Views: 1,537
    06-15-2021, 10:22 AM Go to last post
  12. HIGH internal resistance eneloops

    Started by adrianmariano, 06-08-2021 01:41 PM
    2 Pages
    1 2
    • Replies: 32
    • Views: 1,489
    06-14-2021, 08:39 PM Go to last post
  13. Fill negative space

    Started by kerneldrop, 06-12-2021 09:11 AM
    • Replies: 15
    • Views: 842
    06-13-2021, 11:55 PM Go to last post
    • Replies: 0
    • Views: 273
    06-13-2021, 04:53 PM Go to last post
  14. Help with tool batterys

    Started by raggie33, 06-11-2021 02:36 PM
    • Replies: 9
    • Views: 752
    06-12-2021, 04:36 PM Go to last post
  15. Custom Aluminium Spare Cell Keyring Carriers

    Started by Face, 06-08-2021 09:04 AM
    • Replies: 3
    • Views: 464
    06-11-2021, 07:35 AM Go to last post
  16. 18650 cell adapter tube

    Started by Dave_H, 05-02-2021 08:59 AM
    • Replies: 8
    • Views: 1,100
    06-05-2021, 07:39 PM Go to last post
  17. Thinking 25950 cell?

    Started by capsicum, 06-04-2021 04:10 PM
    • Replies: 1
    • Views: 305
    06-05-2021, 06:41 PM Go to last post
  18. AA or C-cell NiMH, that is the question...

    Started by kilogulf59, 06-01-2021 06:40 AM
    • Replies: 15
    • Views: 789
    06-04-2021, 05:25 AM Go to last post
    • Replies: 0
    • Views: 410
    06-03-2021, 07:00 PM Go to last post
  19. Charger for longer length batteries.

    Started by wjv, 06-02-2021 04:19 PM
    • Replies: 4
    • Views: 428
    06-02-2021, 09:23 PM Go to last post
    • Replies: 8
    • Views: 675
    05-31-2021, 09:46 AM Go to last post
  20. Fun coin cell fact

    Started by turbodog, 05-17-2021 06:06 PM
    • Replies: 11
    • Views: 907
    05-29-2021, 12:58 AM Go to last post
  21. Orbtronic vs other brands of NCR18650GA

    Started by etc, 05-18-2021 03:15 PM
    • Replies: 6
    • Views: 705
    05-28-2021, 11:18 AM Go to last post
    • Replies: 0
    • Views: 338
    05-28-2021, 01:43 AM Go to last post
  22. Eneloop Pro & LADDA Long Term Testing

    Started by Pookeyhead, 05-27-2021 03:39 AM
    • Replies: 1
    • Views: 547
    05-27-2021, 07:01 PM Go to last post
  23. Need help, still stuck!

    Started by Senna Fan, 05-24-2021 09:32 PM
    • Replies: 1
    • Views: 571
    05-26-2021, 06:41 PM Go to last post
  24. Tenergy - How Do They Stack Up?

    Started by kilogulf59, 04-20-2021 06:30 AM
    • Replies: 5
    • Views: 1,269
    05-25-2021, 06:38 AM Go to last post
    • Replies: 10
    • Views: 3,420
    05-23-2021, 04:14 AM Go to last post
  25. Xtar VC4L kickstarts a dead battery .

    Started by old4570, 04-29-2021 08:39 PM
    • Replies: 4
    • Views: 919
    05-18-2021, 09:46 PM Go to last post
    • Replies: 16
    • Views: 6,876
    05-18-2021, 10:16 AM Go to last post
  26. Test/Review of Orbtronic 18650 3600mAh (Black)

    Started by HKJ, 11-28-2013 08:46 AM
    3 Pages
    1 2 3
    • Replies: 70
    • Views: 42,427
    05-18-2021, 10:15 AM Go to last post
    • Replies: 2
    • Views: 633
    05-18-2021, 07:10 AM Go to last post
  27. Powerbanks and Solar Panels

    Started by AmadeusChapter, 05-10-2021 05:38 AM
    • Replies: 9
    • Views: 1,142
    05-17-2021, 07:53 PM Go to last post
  28. MAG-TAC Battery Help Needed

    Started by Alone In The Dark, 07-05-2014 03:04 PM
    • Replies: 17
    • Views: 5,098
    05-17-2021, 03:30 PM Go to last post
  29. New Milwaukee 12A lithium ion tool batteries uses 21700 cells

    Started by Lynx_Arc, 02-01-2019 01:34 PM
    2 Pages
    1 2
    • Replies: 36
    • Views: 6,374
    05-15-2021, 07:05 AM Go to last post
  30. Xtar MC4 constantly overcharges!

    Started by datumdatzgr, 05-07-2021 05:54 PM
    • Replies: 3
    • Views: 784
    05-15-2021, 06:55 AM Go to last post
    • Replies: 2
    • Views: 517
    05-14-2021, 06:35 AM Go to last post
  31. Olight ODIN tape switch / tail cap MODS?

    Started by Frank_Castle, 05-13-2021 07:51 PM
    • Replies: 0
    • Views: 543
    05-13-2021, 07:51 PM Go to last post
  32. Test/review of Charger Xtar VP4 Plus Dragon

    Started by HKJ, 12-04-2016 08:44 AM
    2 Pages
    1 2
    • Replies: 42
    • Views: 20,891
    05-12-2021, 09:33 AM Go to last post
    • Replies: 0
    • Views: 478
    05-12-2021, 03:50 AM Go to last post
  33. Sony HP-BG1/FG1

    Started by ko4nrbs, 05-11-2021 12:31 PM
    • Replies: 0
    • Views: 520
    05-11-2021, 12:31 PM Go to last post
  34. How to calculate battery's sustained current

    Started by kerneldrop, 05-09-2021 08:57 PM
    • Replies: 9
    • Views: 963
    05-11-2021, 06:48 AM Go to last post
  35. Test/Review of Charger Opus BT-C3100 V2.1

    Started by HKJ, 08-31-2014 06:30 AM
    18 Pages
    1 2 3 4 5 ... 18
    • Replies: 519
    • Views: 261,858
    05-10-2021, 11:54 AM Go to last post
  36. Test/review of Charger NiteCore UMS4

    Started by HKJ, 02-24-2019 09:12 AM
    • Replies: 1
    • Views: 2,928
    05-09-2021, 04:40 AM Go to last post

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