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Forum: Flashlight Electronics - Batteries Included

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  1. Sticky Thread Sticky: Overview: All eneloop batteries; 2005-2020

    Started by ChibiM, 06-21-2013 03:41 PM
    23 Pages
    1 2 3 4 5 ... 23
    • Replies: 675
    • Views: 523,069
    01-16-2020, 06:33 AM Go to last post
  2. Sticky Thread Sticky: Disassembly of some UltraFire batteries

    Started by HKJ, 04-11-2015 10:26 AM
    2 Pages
    1 2
    • Replies: 47
    • Views: 59,824
    01-03-2020, 01:31 AM Go to last post
  3. 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: 302,009
    07-23-2019, 12:23 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: 70
    • Views: 86,499
    05-05-2019, 05:43 PM Go to last post
  5. 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: 224,868
    04-11-2019, 06:53 AM Go to last post
  6. Sticky Thread Sticky: 18650's Care and Maintenance

    Started by acbezzi, 07-27-2010 10:50 AM
    4 Pages
    1 2 3 4
    • Replies: 112
    • Views: 138,302
    01-16-2019, 11:06 AM Go to last post
  7. 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: 139
    • Views: 142,928
    05-29-2018, 09:04 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: 108,019
    01-16-2018, 06:20 PM Go to last post
  1. Portable ravpower solar panel questions

    Started by cpforum, Yesterday 04:45 AM
    • Replies: 2
    • Views: 91
    Today, 12:46 PM Go to last post
  2. Diagnostic Battery Charger?

    Started by Bravo30, Today 09:23 AM
    • Replies: 3
    • Views: 67
    Today, 12:38 PM Go to last post
  3. testing voltage on 21700 batteries?

    Started by AMD64Blondie, 02-13-2020 08:30 AM
    • Replies: 5
    • Views: 184
    Today, 09:19 AM Go to last post
  4. Test/review of Charger NiteCore UM4

    Started by HKJ, 02-16-2019 09:54 AM
    • Replies: 8
    • Views: 1,820
    Yesterday, 12:44 PM Go to last post
  5. Amazon Basics - Ordered vs Delivered

    Started by AA Cycler, 02-01-2020 04:35 AM
    • Replies: 17
    • Views: 963
    Yesterday, 10:53 AM Go to last post
  6. Power bank

    Started by PhotoTime, 02-06-2020 01:25 AM
    • Replies: 6
    • Views: 313
    Yesterday, 09:36 AM Go to last post
    • Replies: 29
    • Views: 2,885
    02-14-2020, 08:13 PM Go to last post
    • Replies: 17
    • Views: 1,207
    02-14-2020, 03:17 PM Go to last post
  7. Charger Display Brightness Differences

    Started by jayflash, 02-09-2020 10:36 AM
    • Replies: 4
    • Views: 245
    02-14-2020, 02:38 PM Go to last post
  8. Charging Less Than Discharge?

    Started by jayflash, 02-11-2020 08:58 AM
    • Replies: 10
    • Views: 358
    02-14-2020, 02:35 PM Go to last post
  9. 16650-17670 case?

    Started by cynical, 02-14-2020 12:06 PM
    • Replies: 1
    • Views: 96
    02-14-2020, 01:20 PM Go to last post
  10. Convert flat top cells to button top

    Started by uofaengr, 07-21-2015 09:11 AM
    • Replies: 10
    • Views: 2,301
    02-13-2020, 09:09 PM Go to last post
  11. A new Lithium ion hybrid for cold?

    Started by LED Monkey, 02-06-2020 12:06 AM
    • Replies: 14
    • Views: 533
    02-13-2020, 04:02 PM Go to last post
  12. Test/review of Vapcell U2

    Started by HKJ, 02-13-2020 11:38 AM
    • Replies: 0
    • Views: 114
    02-13-2020, 11:38 AM Go to last post
  13. Asian 18650 3.7 V Li-ion rechargeables

    Started by Sovende, 02-11-2020 05:54 PM
    • Replies: 10
    • Views: 392
    02-13-2020, 10:05 AM Go to last post
    • Replies: 5
    • Views: 299
    02-12-2020, 05:42 AM Go to last post
  14. Lack of Charger Ventilation

    Started by jayflash, 02-11-2020 03:41 PM
    • Replies: 2
    • Views: 187
    02-12-2020, 05:11 AM Go to last post
    • Replies: 1
    • Views: 167
    02-11-2020, 06:53 PM Go to last post
  15. Test/Review of Feilong 32650 6000mAh (Gray)

    Started by HKJ, 05-10-2015 11:59 AM
    • Replies: 27
    • Views: 6,142
    02-11-2020, 08:38 AM Go to last post
  16. Xtar VP4 Plus Dragon - Good for 21700?

    Started by berfles, 01-11-2020 03:25 PM
    • Replies: 10
    • Views: 919
    02-10-2020, 09:21 PM Go to last post
  17. Powerex Maha MH-C9000 repair help?

    Started by tsmccull, 05-07-2016 11:59 AM
    • Replies: 11
    • Views: 4,676
    02-10-2020, 06:08 AM Go to last post
  18. Charging LiFePO4 batteries, algorithms

    Started by HKJ, 01-05-2020 10:11 AM
    • Replies: 19
    • Views: 1,033
    02-09-2020, 01:07 AM Go to last post
    • Replies: 12
    • Views: 357
    02-08-2020, 11:15 PM Go to last post
  19. XTAR Dragon vs Vapecell S4 Plus vs OPUS BT-C3100

    Started by jayflash, 01-30-2020 11:26 AM
    • Replies: 8
    • Views: 600
    02-08-2020, 12:23 PM Go to last post
  20. S2+ metal switch?

    Started by Neilrazer, 02-07-2020 05:37 PM
    • Replies: 2
    • Views: 168
    02-08-2020, 10:14 AM Go to last post
  21. Test/review of Meco 16340 1200mAh (Cyan)

    Started by HKJ, 02-06-2020 09:45 AM
    • Replies: 3
    • Views: 255
    02-07-2020, 11:58 AM Go to last post
  22. Test/review of BattGO AA 2000mAh (Purple)

    Started by HKJ, 02-07-2020 09:59 AM
    • Replies: 0
    • Views: 148
    02-07-2020, 09:59 AM Go to last post
  23. Test/Review of Soshine 18650 LiFePO4 1800mAh (Black)

    Started by HKJ, 04-16-2016 06:00 AM
    • Replies: 1
    • Views: 1,884
    02-07-2020, 07:58 AM Go to last post
  24. Single-Size (26650) L-Ion Battery Charger Stations

    Started by b.have, 02-06-2020 12:41 PM
    • Replies: 3
    • Views: 303
    02-07-2020, 02:21 AM Go to last post
  25. Proper battery for high capacity, low drain use.

    Started by alanmalk, 02-01-2020 04:37 PM
    • Replies: 8
    • Views: 502
    02-06-2020, 10:48 AM Go to last post
  26. Battery Code Q?

    Started by k3751, 02-05-2020 04:07 PM
    • Replies: 3
    • Views: 185
    02-05-2020, 05:41 PM Go to last post
  27. Olight IMR 16340 Too Easy to Short? ...

    Started by jayflash, 01-30-2020 11:09 AM
    • Replies: 7
    • Views: 405
    02-04-2020, 01:15 PM Go to last post
  28. Test/review of Dlyfull M8 Battery Charger

    Started by HKJ, 02-04-2020 01:03 PM
    • Replies: 0
    • Views: 166
    02-04-2020, 01:03 PM Go to last post
    • Replies: 3
    • Views: 328
    02-03-2020, 06:05 PM Go to last post
  29. 18650 modification

    Started by Slow Blow, 02-02-2020 01:43 AM
    • Replies: 4
    • Views: 296
    02-03-2020, 12:49 AM Go to last post
  30. 17500 batteries

    Started by fidu, 01-10-2020 07:13 AM
    • Replies: 19
    • Views: 1,130
    02-01-2020, 04:05 PM Go to last post
  31. Question How you identify a high drain device?

    Started by roadwarrior, 10-12-2015 11:51 AM
    2 Pages
    1 2
    • Replies: 39
    • Views: 12,331
    02-01-2020, 03:04 PM Go to last post
  32. Test/review of Vapcell INR26650 5500mAh (Red) 2019

    Started by HKJ, 12-19-2019 10:33 AM
    • Replies: 4
    • Views: 657
    02-01-2020, 02:15 PM Go to last post
  33. Japanese Eneloops

    Started by Jash, 01-26-2020 05:09 PM
    • Replies: 11
    • Views: 733
    02-01-2020, 06:16 AM Go to last post
  34. UK supply of good US made CR123A

    Started by Kernelpanic, 01-29-2020 03:59 PM
    • Replies: 5
    • Views: 349
    01-31-2020, 05:01 PM Go to last post
  35. Already Use 18650 & 26650s - Now 21700?

    Started by jayflash, 01-31-2020 01:16 PM
    • Replies: 1
    • Views: 313
    01-31-2020, 01:41 PM Go to last post
  36. Assessing Battery Health Help

    Started by Witterings, 01-16-2020 08:29 AM
    • Replies: 21
    • Views: 869
    01-31-2020, 01:21 PM Go to last post
  37. ZTS mini MBT

    Started by Kernelpanic, 01-30-2020 02:37 PM
    • Replies: 6
    • Views: 385
    01-31-2020, 10:24 AM Go to last post
  38. Test/review of GIF TR16340 2500mAh (Gray)

    Started by HKJ, 01-31-2020 09:45 AM
    • Replies: 1
    • Views: 242
    01-31-2020, 09:49 AM Go to last post
  39. Tesla batteries?

    Started by BigusLightus, 01-30-2020 10:54 AM
    • Replies: 6
    • Views: 470
    01-30-2020, 10:48 PM Go to last post
  40. Xtar Dragon - better instructions

    Started by louie, 03-11-2018 01:45 PM
    • Replies: 16
    • Views: 6,130
    01-30-2020, 01:32 PM Go to last post
  41. Brief Short-Circuit LiIon Test OK?

    Started by jayflash, 01-29-2020 01:03 PM
    • Replies: 4
    • Views: 343
    01-30-2020, 09:58 AM Go to last post
  42. New XTAR VC2S Not Giving Full 4.2V Charge

    Started by SSANDERS, 12-18-2019 11:22 AM
    • Replies: 10
    • Views: 729
    01-30-2020, 08:44 AM Go to last post
  43. Test/review of BattGO AAA 850mAh (Pink)

    Started by HKJ, 01-29-2020 10:30 AM
    • Replies: 0
    • Views: 222
    01-29-2020, 10:30 AM Go to last post

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