Welcome to the website of OKE-Services, company of Henk Oldenkamp.

OKE-Services focuses its activities on designing and developing highly efficient and innovative electronics for photovoltaic solar energy applications, as well as converters and power supplies for consumer electronics and other electric apparatus.

Products developed by OKE-Services are a.o. the OKE4 and OK5 micro inverters (and follow-ups), PV-watchdog and Active Bypass Diode.

Currently Henk Oldenkamp focuses completely on the Little Box Challenge, organized by Google and the IEEE. The challenge is to develop the smallest 2kW power inverter. In September OKE-Services received notification that it has been selected as finalist for the this challenge.