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

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  1. gilf0yle

    Need help finding power supply

    gilf0yle, Apr 14, 2018
    Replies:
    9
    Views:
    468
    bushtech
    May 1, 2018
  2. ELISEUS

    Kw HR ESTIMATE TO COOL A CHURCH 132'l x 60'Wx 55'h - 70 DEGREES IS TARGET -

    ELISEUS, Apr 28, 2018
    Replies:
    6
    Views:
    292
    hevans1944
    Apr 29, 2018
  3. Johnny101

    Li-Po Battery protection circuitry placement

    Johnny101, Apr 25, 2018
    Replies:
    3
    Views:
    223
    Hopup
    Apr 25, 2018
  4. LukeDupont

    Simple NiMH Charging Circuit and Resistance

    LukeDupont, Apr 15, 2018
    Replies:
    17
    Views:
    776
    Audioguru
    Apr 19, 2018
  5. LayZ

    Wiring 5v to a 12v powersupply

    LayZ, Apr 14, 2018 ... 2
    Replies:
    34
    Views:
    719
    davenn
    Apr 16, 2018
  6. Steve B

    Li ion battery charger, adapting power bank

    Steve B, Apr 14, 2018
    Replies:
    13
    Views:
    387
    Steve B
    Apr 15, 2018
  7. spikey1973

    +DC_out_rtn, what does this mean..

    spikey1973, Apr 13, 2018
    Replies:
    8
    Views:
    437
    BobK
    Apr 15, 2018
  8. colum

    Bicycle generator

    colum, Apr 14, 2018
    Replies:
    7
    Views:
    314
    (*steve*)
    Apr 15, 2018
  9. MarkOrkenyi

    USB C charger with audio output design

    MarkOrkenyi, Apr 13, 2018
    Replies:
    1
    Views:
    218
    JWHassler
    Apr 13, 2018
  10. Mike197714

    12V-9V Converter for Arduino

    Mike197714, Apr 11, 2018
    Replies:
    2
    Views:
    304
    BobK
    Apr 12, 2018
  11. Mike Mesford

    Backup battery charging

    Mike Mesford, Apr 9, 2018
    Replies:
    4
    Views:
    317
    Mike Mesford
    Apr 10, 2018
  12. Arash

    MPPT charge control Project - LT3652

    Arash, Apr 6, 2018
    Replies:
    4
    Views:
    382
    Arouse1973
    Apr 8, 2018
  13. Graeme Kelly

    Boost converter

    Graeme Kelly, Mar 22, 2018 ... 2
    Replies:
    31
    Views:
    996
    WHONOES
    Apr 8, 2018
  14. 12VGuy

    GY6 AC/DC Reg/Rect - Are Both DC and AC regulated or just AC?

    12VGuy, Apr 6, 2018
    Replies:
    7
    Views:
    336
    Audioguru
    Apr 7, 2018
  15. Ramesh Adhikari

    Thyristor as a triac

    Ramesh Adhikari, Apr 6, 2018
    Replies:
    4
    Views:
    516
    WHONOES
    Apr 6, 2018
  16. Raiyan

    Variable current power supply with varying duty cycle

    Raiyan, Apr 4, 2018
    Replies:
    10
    Views:
    342
    Raiyan
    Apr 6, 2018
  17. fscii

    Default Power Manipulation

    fscii, Apr 6, 2018
    Replies:
    0
    Views:
    217
    fscii
    Apr 6, 2018
  18. YoTech

    Measuring battery voltage with an MCU while charging and discharging

    YoTech, Mar 28, 2018 ... 2 3
    Replies:
    53
    Views:
    1,168
    YoTech
    Apr 5, 2018
  19. farukh037

    Charging NiMh battery pack with BQ2004 - new thread

    farukh037, Mar 13, 2018
    Replies:
    11
    Views:
    579
    farukh037
    Apr 5, 2018
  20. skenn_ie

    Driving a high power semiconductor laser

    skenn_ie, Apr 3, 2018
    Replies:
    4
    Views:
    304
    Ian
    Apr 4, 2018
  21. x1215

    BUCK switching waveform ... problem

    x1215, Apr 3, 2018
    Replies:
    11
    Views:
    386
    x1215
    Apr 4, 2018
  22. Zogster

    Advice on LiFePO4-based SLA battery replacement

    Zogster, Apr 2, 2018
    Replies:
    12
    Views:
    326
    Zogster
    Apr 3, 2018
  23. bob_rich

    Solar Inverter

    bob_rich, Apr 2, 2018
    Replies:
    0
    Views:
    211
    bob_rich
    Apr 2, 2018
  24. Victoria Nowrangilall

    Changing AC plug to battery operated

    Victoria Nowrangilall, Mar 31, 2018
    Replies:
    12
    Views:
    319
    KJ6EAD
    Apr 2, 2018
  25. Dick.Sonderegger

    AC 18650 Replacement?

    Dick.Sonderegger, Mar 25, 2018 ... 2
    Replies:
    20
    Views:
    645
    WHONOES
    Mar 26, 2018
  26. primuspaul

    Garmin NUVI charging cable - easy way?

    primuspaul, Mar 21, 2018
    Replies:
    6
    Views:
    496
    primuspaul
    Mar 24, 2018
  27. bjbarbata

    12 vdc to 6 vdc input stability

    bjbarbata, Mar 22, 2018
    Replies:
    3
    Views:
    398
    ChosunOne
    Mar 23, 2018
  28. YASH VERMA

    Converting a PWM wave into pure DC

    YASH VERMA, Mar 21, 2018
    Replies:
    8
    Views:
    566
    hevans1944
    Mar 23, 2018
  29. YoTech

    Battery monitor question

    YoTech, Mar 21, 2018
    Replies:
    11
    Views:
    432
    YoTech
    Mar 22, 2018
  30. Gedis

    Grid Tie Inverters connecting 2x1000w

    Gedis, Mar 19, 2018
    Replies:
    10
    Views:
    477
    Bluejets
    Mar 20, 2018
  31. bushtech

    Make your PC Power supply last- 73's de Edd

    bushtech, Mar 18, 2018
    Replies:
    9
    Views:
    418
    davenn
    Mar 19, 2018
  32. jriofrio

    Transformerless psu calculations

    jriofrio, Mar 19, 2018
    Replies:
    1
    Views:
    295
    davenn
    Mar 19, 2018
  33. NachoohcaN

    SLA/Li-ion Questions

    NachoohcaN, Mar 19, 2018
    Replies:
    1
    Views:
    246
    Harald Kapp
    Mar 19, 2018
  34. flippineck

    Combined buck & boost converter?

    flippineck, Mar 18, 2018
    Replies:
    4
    Views:
    310
    flippineck
    Mar 19, 2018
  35. Richard_Electronics

    Charging battery with level indicator ?

    Richard_Electronics, Mar 17, 2018
    Replies:
    1
    Views:
    259
    Harald Kapp
    Mar 17, 2018
  36. radioguy

    schumacher se-5212a charger

    radioguy, Mar 10, 2018
    Replies:
    9
    Views:
    705
    73's de Edd
    Mar 17, 2018
  37. needsleep

    Can these two instruments test the transistors on my printer PSU?

    needsleep, Mar 13, 2018
    Replies:
    5
    Views:
    354
    73's de Edd
    Mar 14, 2018
  38. LearningSomethingToday

    Acceptable Zener regulator tolerances

    LearningSomethingToday, Mar 12, 2018
    Replies:
    12
    Views:
    396
    Audioguru
    Mar 13, 2018
  39. lumley32

    Switching high currents

    lumley32, Mar 12, 2018
    Replies:
    9
    Views:
    380
    WHONOES
    Mar 13, 2018
  40. Mittle

    PUPS Problems with Uninterruptible Power Supply

    Mittle, Feb 27, 2018 ... 2
    Replies:
    22
    Views:
    698
    kellys_eye
    Mar 13, 2018
  41. camilozk

    power supplies in parallel?

    camilozk, Oct 24, 2016
    Replies:
    16
    Views:
    683
    camilozk
    Mar 12, 2018
  42. mrbouncyballs

    DIY Electric Shocking Mouse/Rat Trap

    mrbouncyballs, Mar 5, 2018
    Replies:
    19
    Views:
    1,142
    ChosunOne
    Mar 12, 2018
  43. Joaquin Valdez

    Transient Voltage Spike

    Joaquin Valdez, Mar 10, 2018
    Replies:
    1
    Views:
    266
    (*steve*)
    Mar 11, 2018
  44. MJC417

    Controlling 12V battery output to heating element

    MJC417, Mar 8, 2018
    Replies:
    6
    Views:
    313
    WHONOES
    Mar 9, 2018
  45. flippineck

    Do SLA chargers fight if paralleled?

    flippineck, Feb 21, 2018
    Replies:
    4
    Views:
    356
    WHONOES
    Mar 8, 2018
  46. TheLemur

    Momantary, non stopping rotary switch

    TheLemur, Mar 8, 2018
    Replies:
    2
    Views:
    239
    kellys_eye
    Mar 8, 2018
  47. tedstruk

    First alert security camera power source

    tedstruk, Mar 3, 2018
    Replies:
    3
    Views:
    250
    (*steve*)
    Mar 8, 2018
  48. flippineck

    Auto star-delta PMA alternator switchover

    flippineck, Mar 3, 2018
    Replies:
    2
    Views:
    297
    flippineck
    Mar 8, 2018
  49. supak111

    DC DC booster inductor calculation's

    supak111, Mar 6, 2018
    Replies:
    4
    Views:
    276
    supak111
    Mar 6, 2018
  50. Michael Yang

    LTspice boost circuit simulation

    Michael Yang, Mar 2, 2018
    Replies:
    6
    Views:
    340
    Alec_t
    Mar 6, 2018
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