Power supplies & energy suppliers

366 companies in our directory list power supplies & energy. Most are based in China (138), Germany (88) and Taiwan (37). 366 exhibit at electronica 2026.

Suppliers
366
By type
Contract manufacturer (EMS) 13 · Design & engineering services 11 · Test & certification lab 5
At electronica 2026
366
  1. electronica 2026
    10 Nov
    B4.431/7

    We are manufactuers of thermostats,polyiamide films. We are UL/TUV certified etc

    • AC/DC power supplies
    • Transformers & coilware
    • Power supplies & energy
    • Power management ICs
    • Temperature sensors
  2. AEM

    Type not confirmed · United States

    electronica 2026
    10 Nov
    C5.160

    Innovation to power your visionAEM serves mission-critical applications across aerospace and defense, space, industrial, automotive, enterprise systems, and advanced computing. Unified as one dynamic force: AEM Hi-Rel , AEM Components, Central Semiconductor, Renaissance, and…

    • Power supplies & energy
    • Power semiconductors
    • Diodes & small-signal transistors
    • Automotive
    • Aerospace & defence
  3. Alpha and Omega Semiconductor

    Type not confirmed · United States

    electronica 2026
    10 Nov
    C4.102

    Alpha and Omega Semiconductor (AOS) is a power semiconductor solutions provider

    • Power supplies & energy
    • Power management ICs
    • Power semiconductors
    • Automotive
    • E-mobility
  4. AMETEK Programmable Power

    Type not confirmed · Germany

    electronica 2026
    10 Nov
    A4.478

    Programmable, electronic loads, app spec subsystems, compliance test solutions

    • AC/DC power supplies
    • DC/DC converters
    • UPS systems
    • Special power supplies
    • Test systems & ATE
  5. Angst+Pfister Sensors and Power AG

    Type not confirmed · Switzerland

    electronica 2026
    10 Nov
    B4.121

    Sensors, power supplies & components for standard or custom applications.

    • AC/DC power supplies
    • Temperature sensors
    • Pressure, force & mechanical sensors
    • Position, distance & proximity sensors
    • Gas, chemical & biosensors
  6. Asia Magnetic Winding Co., Ltd. (AMW-EMS)

    Design & engineering services · Thailand

    electronica 2026
    10 Nov
    A1.142

    Engineering to Manufacturing EMS, Magnetics & Power Electronics Solutions

    • Transformers & coilware
    • Hardware / electronics design
    • Component testing & analysis
    • E-mobility
    • Power electronics & energy
  7. Changzhou HG POWER Technology Co., Ltd.

    Type not confirmed · China

    electronica 2026
    10 Nov
    A5.364

    1998-founded HGPOWER offers custom reliable power supplies for global industries

    • AC/DC power supplies
    • Batteries & battery packs
    • UPS systems
    • EV charging & on-board power
    • Special power supplies
  8. Changzhou Yufeng Battery Co., Ltd.

    Type not confirmed · China

    electronica 2026
    10 Nov
    A5.147

    Yufeng Battery Co., Ltd.–The Expert in Lithium—Manganese Primary Battery Field

    • DC/DC converters
    • Batteries & battery packs
    • IoT devices & gateways
    • Wireless & RF
    • Healthcare & wearables
  9. Cheemi Technology Co., Ltd.

    Type not confirmed · China

    electronica 2026
    10 Nov
    B4.149/4

    Cheemi Tech (HK, est.2015) , a 20-year R&D-production-sales tech enterprise.

    • Transformers & coilware
    • Power supplies & energy
    • Current & magnetic sensors
    • Switches, relays & keypads
    • Smart grids & smart energy
  10. DH Technologies

    Type not confirmed · China

    electronica 2026
    10 Nov
    B2.275/1

    Sell Cheap, Be Honest & Reliable! Electrical parts Distributor and Manufacturer

    • Power supplies & energy
    • Automotive connectors
    • Cable assemblies
    • Switches, relays & keypads
    • Automotive
  11. electronica 2026
    10 Nov
    A6.457

    Better Fuse: Leading fuse & circuit protection maker since 2003

    • Power supplies & energy
    • Diodes & small-signal transistors
    • Circuit protection & EMC components
    • EMI / ESD shielding
    • Automotive
  12. electronica 2026
    10 Nov
    A3.574/2

    YYE: Manufacturer of connectors,cable assemblies & interconnect solutions.

    • Power supplies & energy
    • Cable assemblies
    • PCB connectors
    • Industrial & circular connectors
    • Connectors
  13. Dongguan Dongsong Electronic Co., Ltd.

    Type not confirmed · China

    electronica 2026
    10 Nov
    A5.562/3

    We make adapters, chargers & AI server PSUs. Made in China & Vietnam.

    • AC/DC power supplies
    • DC/DC converters
    • Automotive
    • E-mobility
    • Power electronics & energy
  14. Dongguan Hongli Cable Co., Ltd.

    Type not confirmed · China

    electronica 2026
    10 Nov
    A3.469/4

    Dongguan Hongli Cable Co., Ltd manufactures automotive electronic cables.

    • Power supplies & energy
    • Cable assemblies
    • Wire harnesses
    • Cable & harness manufacturing
    • Customisation / custom products
  15. electronica 2026
    10 Nov
    B3.542/8

    Hengyu. Est. 2007. Mfr of high-reliability round, rectangular, RF connectors

    • Power supplies & energy
    • PCB connectors
    • Industrial & circular connectors
    • Electrical test instruments
    • Connectors
  16. electronica 2026
    10 Nov
    A5.244

    China factory of 0.1W-60W DC-DC converters,1W-90W AC-DC converters(SIP/DIP/SMD)

    • AC/DC power supplies
    • DC/DC converters
    • EV charging & on-board power
    • Power management ICs
    • Analog & mixed-signal ICs
  17. Heinzinger electronic GmbH

    Type not confirmed · Germany

    electronica 2026
    10 Nov
    A5.501

    High precision DC high voltage & high current power supplies satisfy worldwide

    • AC/DC power supplies
    • DC/DC converters
    • Special power supplies
    • E-mobility
    • Industrial automation
  18. Huayao Electronics Industrial Co., Ltd.

    Type not confirmed · China

    electronica 2026
    10 Nov
    A5.252

    HUAYAO is a power supply expert, its brand influence ranks top in China.

    • AC/DC power supplies
    • Transformers & coilware
    • Special power supplies
    • Automotive
    • E-mobility
  19. Huizhou Sanhua Industrial Co., Ltd.

    Type not confirmed · China

    electronica 2026
    10 Nov
    A5.567/3

    Huizhou Sanhua is a global professional power supply supplier。

    • AC/DC power supplies
    • DC/DC converters
    • UPS systems
    • EV charging & on-board power
    • Special power supplies
  20. I-TEN

    Type not confirmed · France

    electronica 2026
    10 Nov
    B4.A12

    ITEN manufactures safe, innovative solid-state energy storage devices.

    • Batteries & battery packs
    • Wireless modules
    • Wireless & RF
    • Smart home & building
    • Power electronics & energy
  21. Jinn Sheuan Electron Co., Ltd.

    Type not confirmed · Taiwan

    electronica 2026
    10 Nov
    A6.149/4

    Jinn Sheuan has 26 years of professional experience in metal stamping.

    • Power supplies & energy
    • Resistors
    • Inductors & chokes
    • Automotive
    • Aerospace & defence
  22. KERN LIEBERS GmbH & Co. KG

    Type not confirmed · Germany

    electronica 2026
    10 Nov
    B3.400

    The global market leader in smart precision, with intelligence in every detail.

    • Special power supplies
    • Automotive connectors
    • Inductors & chokes
    • Antennas
    • Automotive
  23. KOALA ELEKTRONIK s.r.o.

    Type not confirmed · Czechia

    electronica 2026
    10 Nov
    A1.325

    Distributor of Semiconductors

    • AC/DC power supplies
    • RF & microwave components
    • Connectors
    • Switches, relays & keypads
    • LCD / TFT displays
  24. Luksens Technologie GmbH

    Type not confirmed · Germany

    electronica 2026
    10 Nov
    B4.248

    Your specialist for precise current & pressure sensors in Industry.

    • DC/DC converters
    • Temperature sensors
    • Pressure, force & mechanical sensors
    • Current & magnetic sensors
    • Test & measurement equipment
  25. NGI Technologies Company Limited

    Type not confirmed · China

    electronica 2026
    10 Nov
    A5.230

    Leading global provider of electronic circuit, measurement & control technology

    • AC/DC power supplies
    • Inverters & frequency converters
    • EV charging & on-board power
    • Special power supplies
    • Laboratory power supplies & loads
  26. P-DUKE Technology Co., Ltd.

    Type not confirmed · Taiwan

    electronica 2026
    10 Nov
    A5.531

    P-DUKE: High-efficiency DC/DC & AC/DC power solutions for demanding industries.

    • AC/DC power supplies
    • DC/DC converters
    • Display accessories & integration
    • Edge AI & vision systems
    • Power electronics & energy
  27. Powerbox

    Type not confirmed · Sweden

    electronica 2026
    10 Nov
    A5.312

    Engineering Reliable Power Solutions for Mission-Critical Applications

    • Batteries & battery packs
    • Special power supplies
    • Power electronics & energy
    • Renewable energy & photovoltaics
    • Aerospace & defence
  28. Regatron AG

    Type not confirmed · Switzerland

    electronica 2026
    10 Nov
    A5.214

    Modular future-proof AC- and DC-power sources. Quality made in Switzerland.

    • Inverters & frequency converters
    • Special power supplies
    • Electrical test instruments
    • Automotive
    • E-mobility
  29. electronica 2026
    10 Nov
    A5.375/1

    RochenMedia connects global buyers with trusted electronic suppliers.

    • Transformers & coilware
    • Inductors & chokes
    • Circuit protection & EMC components
    • EMI / ESD shielding
    • Display accessories & integration
  30. TopPower AB

    Type not confirmed · Sweden

    electronica 2026
    10 Nov
    A5.251

    Power solutions tailored to you. Special is our standard. Come meet us!

    • AC/DC power supplies
    • DC/DC converters
    • EV charging & on-board power
    • Power electronics & energy
    • Medical electronics
  31. Townes Enterprise Co., Ltd.

    Type not confirmed · Taiwan

    electronica 2026
    10 Nov
    A3.165/5

    Townes is a connector manufacturer in Specializes in manufacturing connectors.

    • Power supplies & energy
    • PCB connectors
    • Connectors
    • Optoelectronic components
    • Passive components
  32. Voltraware Semiconductor Co., Ltd.

    Type not confirmed · Taiwan

    electronica 2026
    10 Nov
    A5.346/3

    Mid-range Wireless Charging Solutions

    • AC/DC power supplies
    • DC/DC converters
    • Batteries & battery packs
    • EV charging & on-board power
    • ASIC / FPGA / custom ICs
  33. Winer Power Co., Ltd.

    Type not confirmed · China

    electronica 2026
    10 Nov
    A5.571/8

    One-stop lithium-ion battery solutions integrating R&D and manufacturing.

    • Batteries & battery packs
    • UPS systems
    • Power supplies & energy
    • E-mobility
    • Power electronics & energy
  34. Wöhrle Power Systems GmbH

    Type not confirmed · Germany

    electronica 2026
    10 Nov
    A5.439

    Reliable power supply solutions for industry and automation

    • AC/DC power supplies
    • Batteries & battery packs
    • Transformers & coilware
    • UPS systems
    • Special power supplies
  35. electronica 2026
    10 Nov
    B4.120/4

    Wuhan Deteina NEV: charging harnesses, e-locks, terminals. Est. 2016.

    • EV charging & on-board power
    • Power supplies & energy
    • Power connectors & terminals
    • Cable assemblies
    • Automotive
  36. Xiao Ma Technology Co., Ltd.

    Type not confirmed · China

    electronica 2026
    10 Nov
    B2.275/7

    XlAOMA Technology is a manufacturer of ANTENNAS, RF CONNECTORS & CABLE ASSEMBLY

    • Power supplies & energy
    • Cable assemblies
    • Connectors
    • RF & microwave components
    • Telecom, 5G/6G & wireless
  37. AC Power Corp. (Preen)

    Type not confirmed · Taiwan

    electronica 2026
    10 Nov
    A4.239

    Programmable AC & DC Power Source, T&M Power Supply, Renewable Energy Simulator

    • AC/DC power supplies
    • Inverters & frequency converters
    • Special power supplies
    • Test systems & ATE
    • Power electronics & energy
  38. AUMOVIO SE

    Type not confirmed · Germany

    electronica 2026
    10 Nov
    B4.A04

    Welcome to AUMOVIO! The Adaptive Powerhouse for Future Mobility.

    • Power supplies & energy
    • Optoelectronic components
    • Sensors
    • Test & measurement equipment
    • Automotive
  39. Baud Industries

    Type not confirmed · Germany

    electronica 2026
    10 Nov
    B2.140

    Creator of human and technological emotions

    • EV charging & on-board power
    • Automotive connectors
    • Power connectors & terminals
    • Cable assemblies
    • Automotive
  40. Bixlink International Ltd.

    Type not confirmed · Taiwan

    electronica 2026
    10 Nov
    A5.348/6

    Custom Li-ion battery packs 1S–16S (3.7–60 V), smart BMS & chargers.

    • Batteries & battery packs
    • UPS systems
    • Industrial automation
    • Power electronics & energy
    • Medical electronics

Listings come from trade-fair directories and company websites; each profile shows the source of every fact.