Micropower Oy

Micropower Oy designs and manufactures standard and custom-made high frequency battery chargers and power supplies for a variety of industries. We are specialists in 1-phase products in the power range of 600-3200W, which have been developed in close cooperation with our customers and which are market leaders in their versatility and their extremely high power/size ratio. Our products are offered in IP classes from IP20 up to IP66, the IP54-IP66 class products can be used in really tough environments without safety risks or risk for malfunctions. ddd


Micropower Oy designs and manufactures products in all Micropower Group’s market segments. We offer our proven platforms as a starting point to quickly and safely develop and produce robust chargers and power supplies for demanding special applications. Within the Custom Power segment, you will find our power supplies and chargers in trains, grid stations, defence solutions, boats and many industrial solutions, such as anti-corrosion systems. Within the Automotive segment, you will find our products in applications like buses, special vehicles and gardening machines. Within the Motive segment, you will find our products e.g. in forklifts and sweeping machines. Within our areas of expertise in battery charging and power supplies we work closely with our customers and often adapt our platforms to suit our customers needs, including branding the products for their own market channels.

MIcropower Oy is active within all Micropower Group business segments.


During the past 30 years, Micropower Oy (Powerfinn Oy until 2/2020) has developed more than 1 600 products and ships annually approximately 40 000 units of battery chargers and power supplies to our customers all over the world. A variety of our standard products covers most of the needs due to their flexibility and high efficiency rate, but in cases when a standard product is not enough, we are real professionals to design a customized solution to meet your exceptional demand. Our strength lies in combining innovative R&D and efficient manufacturing, we are able to deliver also small series with short delivery times even for customized solutions, always ensuring careful design and tailoring to meet and even exceed our customers’ special needs.

  • STANDARD SOLUTIONS – Design and manufacturing of high frequency battery chargers and power supplies for professional use with high efficiency rate
  • CUSTOMIZED SOLUTIONS – Developing customized products to meet exceptional needs for e.g. interference, IP class, product size etc.
  • LEADING TECHNOLOGY PLATFORMS – Power supplies and chargers, which meets the complex requirements for performance and reliability

Our customers have high demands on our quality assurance processes, development and production, which we can demonstrate with our ISO 9001 and ISO 14001 certified quality management system. You’ll find the certificates by clicking here (ISO9001) and here (ISO14001).

For more information on Micropower Oy:s Quality and Environmental Systems, please contact our Quality Manager.

Micropower Oy designs and manufactures demanding high frequency battery chargers and power supplies.


Micropower Oy

Joensuunkatu 7D

FI-241 00 Salo, Finland

Phone: +358-(0)2-777 290

E-mail: info@micropower.fi

Sales and Marketing

Tero Raste

Sales and Marketing

+358 (0) 44 777 0694

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Mari Saarinen

Customer Service

+358 (0) 40 557 1487

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Service and Repair

Janne Wilenius

Service Technician

+358 (0) 40 731 8417

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Service Technician

+358 (0) 50 343 9548

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Production and Material Handling

Markku Kuusinen

Production Manager

+358 (0) 50 480 3532

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Sanna Hautala


+358 (0) 50 532 5568

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Sirkku Asklöf-Karonen

Material Manager

+358 (0) 44 777 0691

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Jukka Seitz

Sourcing Manager

+358 (0) 44 764 6474

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R&D and Quality

Ville Koski

R&D Manager

+358 (0) 44 777 0693

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Timo Liukkonen

Quality Manager

+358 (0) 50 568 0195

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Finance and Administration

Harry Lilja


+358 (0) 40 725 9549

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Liisa Tuominen

Finance and Administration Manager

+358 (0) 50 472 1037

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