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A category for topics relating to power supplies, batteries, solar and other power related questions.

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  1. Externet

    Single to three phase... sort of...

    Externet, Jul 23, 2018
    Replies:
    3
    Views:
    356
    Bluejets
    Jul 23, 2018
  2. Berea18

    Replacement transformer

    Berea18, Jul 20, 2018
    Replies:
    3
    Views:
    367
    kellys_eye
    Jul 20, 2018
  3. vicara12

    Is this charger appropiated for my lipo battery?

    vicara12, Jul 19, 2018
    Replies:
    4
    Views:
    319
    vicara12
    Jul 20, 2018
  4. Cosmosus_

    Homemade Multi-Drill

    Cosmosus_, Jul 7, 2018
    Replies:
    18
    Views:
    540
    twister
    Jul 18, 2018
  5. akashjoseph1997

    Low Pass Filter For Ground And Neutral

    akashjoseph1997, Jul 12, 2018
    Replies:
    2
    Views:
    327
    Minder
    Jul 12, 2018
  6. Pssdof

    Added a second battery to my tablet

    Pssdof, Dec 26, 2017
    Replies:
    10
    Views:
    466
    hardwaylearn
    Jul 12, 2018
  7. Gluktar

    Power powerwheels

    Gluktar, Jul 10, 2018
    Replies:
    7
    Views:
    438
    Tha fios agaibh
    Jul 12, 2018
  8. mterry

    Device powered by computer usb port but not USB phone charger

    mterry, Jul 9, 2018
    Replies:
    7
    Views:
    334
    Harald Kapp
    Jul 10, 2018
  9. MikeGray

    Solar charging a LiFePO4 Battery (advice welcome!)

    MikeGray, May 6, 2017
    Replies:
    16
    Views:
    2,614
    hardwaylearn
    Jul 6, 2018
  10. tedstruk

    Accesorizing Solar collection

    tedstruk, Jun 29, 2018
    Replies:
    7
    Views:
    387
    Harald Kapp
    Jul 5, 2018
  11. R791945

    Does my transformer have sufficient power for an extra item?

    R791945, Jul 2, 2018
    Replies:
    3
    Views:
    320
    Harald Kapp
    Jul 3, 2018
  12. K9WG

    Battery Fail and Pop?

    K9WG, May 26, 2018
    Replies:
    3
    Views:
    370
    K9WG
    Jun 29, 2018
  13. Valadrix

    Help needed on portable battery project

    Valadrix, Jun 29, 2018
    Replies:
    6
    Views:
    420
    KMoffett
    Jun 29, 2018
  14. Srinivasa Rao Beera

    Centre tapped Transformer

    Srinivasa Rao Beera, Jun 26, 2018
    Replies:
    14
    Views:
    553
    (*steve*)
    Jun 29, 2018
  15. tedstruk

    What a battery charger looks like

    tedstruk, Jun 27, 2018
    Replies:
    3
    Views:
    352
    Chemelec
    Jun 27, 2018
  16. bushtech

    Chinese Hiland 0-30V/Audioguru PSU build (down the rabbit hole)

    bushtech, Oct 27, 2017 ... 15 16 17
    Replies:
    334
    Views:
    16,048
    73's de Edd
    Jun 27, 2018
  17. Folding time

    Relating tesla coil power to plasma bulbs?

    Folding time, Jun 23, 2018
    Replies:
    2
    Views:
    295
    Hopup
    Jun 27, 2018
  18. photogav

    Long life rechargeable battery pack

    photogav, Jun 26, 2018
    Replies:
    1
    Views:
    274
    kellys_eye
    Jun 26, 2018
  19. Rayl333

    Photo sensor controlled outlet (turns on or off at daylight or nightime)

    Rayl333, Jun 24, 2018
    Replies:
    3
    Views:
    440
    kellys_eye
    Jun 24, 2018
  20. ScyberMhaster

    7 x 120mm PC Fan (No LED) + 1 x LED Strip (Flashing) = 12V DC / 3.0 A Power Supply

    ScyberMhaster, Jun 22, 2018
    Replies:
    7
    Views:
    346
    KJ6EAD
    Jun 22, 2018
  21. konkot

    Switching power supply emission the electromagnetic waves

    konkot, Jun 21, 2018
    Replies:
    3
    Views:
    286
    dave9
    Jun 22, 2018
  22. TASBALAA

    Switch over power lines

    TASBALAA, Jun 21, 2018
    Replies:
    2
    Views:
    322
    Bluejets
    Jun 22, 2018
  23. bsab44

    Choosing correct capacitor

    bsab44, Jun 21, 2018
    Replies:
    3
    Views:
    310
    WHONOES
    Jun 21, 2018
  24. Help with charger

    Strange Chinese battery. Need help finding charger.

    Help with charger, Jun 18, 2018
    Replies:
    9
    Views:
    403
    Ylli
    Jun 19, 2018
  25. qwwe

    Problem with boost converter

    qwwe, Jun 18, 2018
    Replies:
    5
    Views:
    509
    qwwe
    Jun 19, 2018
  26. Warlord

    Power Supply

    Warlord, Jun 18, 2018
    Replies:
    2
    Views:
    380
    Warlord
    Jun 19, 2018
  27. Peter Bullock

    Power supply output voltage

    Peter Bullock, Jun 17, 2018
    Replies:
    6
    Views:
    339
    ramussons
    Jun 19, 2018
  28. whisperingsage

    Will bad/old batteries cause my controller to malfunction?

    whisperingsage, Jun 18, 2018
    Replies:
    3
    Views:
    332
    kellys_eye
    Jun 18, 2018
  29. Shruti

    Powering an LED from a triboelectric nanogenerator

    Shruti, Jun 15, 2018
    Replies:
    5
    Views:
    343
    Audioguru
    Jun 18, 2018
  30. AkbarMna

    Help with power supply

    AkbarMna, Jun 11, 2018
    Replies:
    9
    Views:
    353
    dave9
    Jun 11, 2018
  31. Gage2k5000

    Electronic Relay

    Gage2k5000, Jun 9, 2018
    Replies:
    8
    Views:
    346
    Gage2k5000
    Jun 11, 2018
  32. Xavier Pacheco

    How to match this gate driver to this mosfet?

    Xavier Pacheco, Jun 9, 2018
    Replies:
    6
    Views:
    373
    Harald Kapp
    Jun 10, 2018
  33. Vagulus

    Capacitor requirements?

    Vagulus, Jun 5, 2018
    Replies:
    10
    Views:
    450
    BobK
    Jun 7, 2018
  34. tedstruk

    Internet schematic OK

    tedstruk, Jun 3, 2018
    Replies:
    10
    Views:
    399
    (*steve*)
    Jun 5, 2018
  35. R791945

    Heating temperature

    R791945, Jun 3, 2018
    Replies:
    2
    Views:
    276
    shrtrnd
    Jun 4, 2018
  36. Michael isaac

    Uk cable for US ps4 and ps3

    Michael isaac, Jun 1, 2018
    Replies:
    1
    Views:
    271
    Harald Kapp
    Jun 1, 2018
  37. peterlonz

    14.4 V Lithium battery - re-purposing question

    peterlonz, May 29, 2018
    Replies:
    7
    Views:
    375
    Externet
    May 31, 2018
  38. Dave Benemerito

    LM317 Help

    Dave Benemerito, May 30, 2018
    Replies:
    2
    Views:
    325
    dave9
    May 30, 2018
  39. BPet2

    Grounding Question

    BPet2, May 28, 2018
    Replies:
    1
    Views:
    352
    WHONOES
    May 29, 2018
  40. Donuts and coffee

    Trying to figure out the MC34063A buck converter

    Donuts and coffee, May 28, 2018
    Replies:
    5
    Views:
    326
    kellys_eye
    May 28, 2018
  41. jppf

    2x 10S1P with 2 BMS

    jppf, May 25, 2018
    Replies:
    1
    Views:
    250
    (*steve*)
    May 26, 2018
  42. PeteW1959

    Help with MOSFET motor control

    PeteW1959, May 21, 2018
    Replies:
    10
    Views:
    381
    WHONOES
    May 24, 2018
  43. andyx

    Triac Problem

    andyx, May 4, 2018
    Replies:
    12
    Views:
    527
    andyx
    May 24, 2018
  44. Richard C

    Electric Fence Charger

    Richard C, May 23, 2018
    Replies:
    7
    Views:
    460
    73's de Edd
    May 24, 2018
  45. glentek

    Power Electronic Keyboard with 12v Car Battery

    glentek, May 24, 2018
    Replies:
    2
    Views:
    283
    kellys_eye
    May 24, 2018
  46. Matheus Mello

    In need of a great power supply

    Matheus Mello, May 23, 2018
    Replies:
    4
    Views:
    289
    (*steve*)
    May 24, 2018
  47. Blackout

    MPPT for truck, alternator/solar

    Blackout, May 21, 2018 ... 2
    Replies:
    32
    Views:
    1,024
    debe
    May 23, 2018
  48. HarryA

    Discharging laptop batteries

    HarryA, May 23, 2018
    Replies:
    2
    Views:
    276
    Bluejets
    May 23, 2018
  49. LukeDupont

    Simple Uninterrupted Power Supply Circuit

    LukeDupont, May 18, 2018
    Replies:
    5
    Views:
    376
    LukeDupont
    May 22, 2018
  50. Robyn

    Burnt drain resistors on switching regulator

    Robyn, May 21, 2018
    Replies:
    1
    Views:
    390
    Alec_t
    May 21, 2018
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