Powerfinn OY

Powerfinn 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 IP classes are from IP20 up to IP66, so they are suitable to be used in really tough environments without risk of safety or malfunctions.


During the past almost 30 years, Powerfinn has developed more than 1 600 products and ships annually approximately 35 000 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 very forerunner level of efficiency rate, but in the cases even those aren’t enough we are real professionals to design a customized solution to meet the exceptional demand.
Our strength lies in combining the innovative R&D and efficient manufacturing, so we are able to deliver also small series with short delivery times also for the customized solutions, which are always carefully designed and tailored to meet and exceed the customer’s special needs.

  • STANDARD SOLUTIONS – Design and manufacturing high frequency battery chargers and power supplies for the professional use with high efficiency rate
  • CUSTOMIZED SOLUTIONS – Develop the customized product to meet the exceptional needs for e.g. interference, IP class, product size etc.
  • LEADING technology platforms – Power supply and charger, 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 guarantee the easiest way to the customers by having official ISO 9001 and ISO 14001 certificates, audited by 3rd Party. You’ll find the certificates by clicking here.



Powerfinn designs and manufactures demanding high frequency battery chargers and power supplies.


Powerfinn designs and manufactures products in Micropower Group’s all market segments. Our proven platforms we offer as a starting point to quickly and safely develop and produce robust chargers and power supplies for demanding special applications.

Within 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 Automotive segment, you will find our products in several solutions, e.g. from buses, special vehicles and gardening machines.

Within Motive segment, you will find our products e.g. in forklifts and sweeping machines.
Within our areas of expertise of battery charging and power supplies – we many times adapt our platforms to suit our customers ‘needs and market channels marketed under our customers’ brands.

Powerfinn is active within all Micropower Group business segments.

Contact Information

Powerfinn OY

Perämiehenkatu 6

FIN-24100 Salo, Finland

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

E-mail: info@powerfinn.fi

Hannu Palokangas

Managing Director

Phone: +358 (0)2 777 2914

E-mail: hannu.palokangas@powerfinn.fi