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

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  1. LearningSomethingToday

    Acceptable Zener regulator tolerances

    LearningSomethingToday, Mar 12, 2018
    Replies:
    12
    Views:
    349
    Audioguru
    Mar 13, 2018
  2. lumley32

    Switching high currents

    lumley32, Mar 12, 2018
    Replies:
    9
    Views:
    327
    WHONOES
    Mar 13, 2018
  3. Mittle

    PUPS Problems with Uninterruptible Power Supply

    Mittle, Feb 27, 2018 ... 2
    Replies:
    22
    Views:
    573
    kellys_eye
    Mar 13, 2018
  4. camilozk

    power supplies in parallel?

    camilozk, Oct 24, 2016
    Replies:
    16
    Views:
    620
    camilozk
    Mar 12, 2018
  5. mrbouncyballs

    DIY Electric Shocking Mouse/Rat Trap

    mrbouncyballs, Mar 5, 2018
    Replies:
    19
    Views:
    802
    ChosunOne
    Mar 12, 2018
  6. Joaquin Valdez

    Transient Voltage Spike

    Joaquin Valdez, Mar 10, 2018
    Replies:
    1
    Views:
    226
    (*steve*)
    Mar 11, 2018
  7. MJC417

    Controlling 12V battery output to heating element

    MJC417, Mar 8, 2018
    Replies:
    6
    Views:
    268
    WHONOES
    Mar 9, 2018
  8. flippineck

    Do SLA chargers fight if paralleled?

    flippineck, Feb 21, 2018
    Replies:
    4
    Views:
    315
    WHONOES
    Mar 8, 2018
  9. TheLemur

    Momantary, non stopping rotary switch

    TheLemur, Mar 8, 2018
    Replies:
    2
    Views:
    198
    kellys_eye
    Mar 8, 2018
  10. tedstruk

    First alert security camera power source

    tedstruk, Mar 3, 2018
    Replies:
    3
    Views:
    212
    (*steve*)
    Mar 8, 2018
  11. flippineck

    Auto star-delta PMA alternator switchover

    flippineck, Mar 3, 2018
    Replies:
    2
    Views:
    223
    flippineck
    Mar 8, 2018
  12. supak111

    DC DC booster inductor calculation's

    supak111, Mar 6, 2018
    Replies:
    4
    Views:
    228
    supak111
    Mar 6, 2018
  13. Michael Yang

    LTspice boost circuit simulation

    Michael Yang, Mar 2, 2018
    Replies:
    6
    Views:
    280
    Alec_t
    Mar 6, 2018
  14. Joby Wilhite

    DOD Mixer Power (34 V)

    Joby Wilhite, Feb 26, 2018 ... 2
    Replies:
    20
    Views:
    937
    Harald Kapp
    Mar 5, 2018
  15. Vakito227

    Charging a 12v Battery with a 14v power supply

    Vakito227, Mar 4, 2018
    Replies:
    1
    Views:
    262
    kellys_eye
    Mar 4, 2018
  16. Analysetech

    What are these 2 "extra" red wires for? Li-Ion RC Battery

    Analysetech, Jan 22, 2018
    Replies:
    18
    Views:
    646
    WHONOES
    Mar 4, 2018
  17. jacobth

    Trying to convert a M2 silent pro PSU into a bench top power supply

    jacobth, Mar 3, 2018
    Replies:
    2
    Views:
    214
    WHONOES
    Mar 4, 2018
  18. homesman

    Inverters

    homesman, Feb 11, 2018
    Replies:
    4
    Views:
    241
    JWHassler
    Mar 3, 2018
  19. TechTyro

    Help with Voltage Regulation

    TechTyro, Mar 2, 2018
    Replies:
    6
    Views:
    239
    tedstruk
    Mar 3, 2018
  20. melodie

    Aqua cube digital-power supply??

    melodie, Mar 3, 2018
    Replies:
    1
    Views:
    184
    kellys_eye
    Mar 3, 2018
  21. 20849

    Battery booster

    20849, Mar 1, 2018
    Replies:
    4
    Views:
    249
    20849
    Mar 2, 2018
  22. melodie

    Solar to battery to tv, fan etc

    melodie, Mar 1, 2018
    Replies:
    6
    Views:
    220
    kellys_eye
    Mar 1, 2018
  23. primuspaul

    Induction brazing?

    primuspaul, Feb 27, 2018
    Replies:
    4
    Views:
    314
    primuspaul
    Mar 1, 2018
  24. patkim

    What is recommended charger output voltage for a 3V rechargeable AA cell?

    patkim, Dec 21, 2017
    Replies:
    6
    Views:
    385
    WHONOES
    Feb 27, 2018
  25. Sashikanta

    My Metal PSU is leaking electricity and its short in DC voltage

    Sashikanta, Feb 27, 2018
    Replies:
    1
    Views:
    187
    73's de Edd
    Feb 27, 2018
  26. Buk

    Help me understand a 12V SLA charging circuit.

    Buk, Feb 23, 2018 ... 2
    Replies:
    27
    Views:
    481
    kellys_eye
    Feb 27, 2018
  27. Otto

    Remote Controlled AC Outlet

    Otto, Feb 25, 2018
    Replies:
    6
    Views:
    229
    Otto
    Feb 26, 2018
  28. Andrew Mc

    20-30V input 12v high current output regulator, not working

    Andrew Mc, Feb 24, 2018
    Replies:
    13
    Views:
    480
    Andrew Mc
    Feb 25, 2018
  29. Cirkit

    Constant current LED drivers - faulty, flashing panels

    Cirkit, Feb 24, 2018
    Replies:
    9
    Views:
    189
    Bluejets
    Feb 25, 2018
  30. said az

    How to fix voltage drops at 220V in this inverter Circuit

    said az, Feb 24, 2018
    Replies:
    1
    Views:
    307
    Audioguru
    Feb 24, 2018
  31. Trikkitt

    3.3v circuit from a LiPo cel

    Trikkitt, Feb 23, 2018
    Replies:
    3
    Views:
    187
    Cirkit
    Feb 24, 2018
  32. O. Puka

    Help with relay powering soft-latch power switched inverter

    O. Puka, Feb 19, 2018
    Replies:
    7
    Views:
    1,016
    Bluejets
    Feb 24, 2018
  33. Mark Zyzelewski

    Corrosion on Button Cell Batteries

    Mark Zyzelewski, Feb 22, 2018
    Replies:
    3
    Views:
    354
    hevans1944
    Feb 23, 2018
  34. flippineck

    Lead-acid vehicle battery discharge time

    flippineck, Feb 11, 2018
    Replies:
    7
    Views:
    243
    flippineck
    Feb 21, 2018
  35. darren adcock

    PSU advice

    darren adcock, Jan 21, 2018 ... 2 3
    Replies:
    46
    Views:
    3,587
    Harald Kapp
    Feb 21, 2018
  36. Dustmite

    Homemade Slow Blow Fuse

    Dustmite, Feb 21, 2018
    Replies:
    9
    Views:
    216
    Dustmite
    Feb 21, 2018
  37. frankdn

    Help with a SMPS please

    frankdn, Feb 21, 2018
    Replies:
    1
    Views:
    189
    (*steve*)
    Feb 21, 2018
  38. Ray Eyre

    Powering one 12v device from two 12v sources

    Ray Eyre, Feb 18, 2018
    Replies:
    15
    Views:
    320
    Kiwi
    Feb 21, 2018
  39. seanspotatobusiness

    Uninterruptible power supply ratings: conflict between VA and W?

    seanspotatobusiness, Feb 18, 2018
    Replies:
    9
    Views:
    235
    Bluejets
    Feb 21, 2018
  40. joerm

    Vo-Tech transformer lab station

    joerm, Feb 19, 2018
    Replies:
    4
    Views:
    202
    kellys_eye
    Feb 20, 2018
  41. LightShow

    Does a Minor Crack in a solar panel effect its Efficiency?

    LightShow, Feb 15, 2018
    Replies:
    4
    Views:
    337
    LightShow
    Feb 19, 2018
  42. alesserfate

    Charging a smaller capacity SLA battery from a larger bank.

    alesserfate, Feb 19, 2018
    Replies:
    5
    Views:
    206
    alesserfate
    Feb 19, 2018
  43. sureshot

    Inrush current smps.

    sureshot, Feb 17, 2018
    Replies:
    7
    Views:
    384
    WHONOES
    Feb 19, 2018
  44. JosePeeterson

    Understanding inner current control loop compensation in boost PFC converter

    JosePeeterson, Feb 19, 2018
    Replies:
    0
    Views:
    194
    JosePeeterson
    Feb 19, 2018
  45. hamer

    Powering a wireless door chime transmitter.

    hamer, Feb 16, 2018
    Replies:
    9
    Views:
    195
    dave9
    Feb 16, 2018
  46. LightShow

    Redarc Solar products?

    LightShow, Feb 15, 2018
    Replies:
    0
    Views:
    197
    LightShow
    Feb 15, 2018
  47. frusciante89

    Problem with ORIEL Xenon Lamp power supply

    frusciante89, Feb 15, 2018
    Replies:
    3
    Views:
    214
    frusciante89
    Feb 15, 2018
  48. Mostafizur Rahman

    6V battery charger

    Mostafizur Rahman, Feb 12, 2018
    Replies:
    3
    Views:
    212
    WHONOES
    Feb 15, 2018
  49. endlessparadox

    Step down transformer reference list?

    endlessparadox, Feb 14, 2018
    Replies:
    13
    Views:
    452
    duke37
    Feb 15, 2018
  50. Johnmillz13

    Need Help With TPS61099 boost converter

    Johnmillz13, Feb 14, 2018
    Replies:
    2
    Views:
    225
    Johnmillz13
    Feb 14, 2018
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