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GW Batterien GmbH

Battery systems and specialist products  to meet the most stringent requirements


As an innovative and flexible company we not only develop, build and deliver battery systems featuring nickel cadmium, lead and lithium ion technology but also see ourselves as problem solvers for a very wide range of applications in the area of rail vehicle batteries and stationary battery systems.

In conjunction with our comprehensive range of services from reconditioning, storage, maintenance through to customized leasing offers, we will support you with all our know-how.

Specialist developments which have nothing to do with battery technology round off our portfolio.


Current news & dates



Sunlight Group acquires 100 % of Triathlon Holding

Following the initial agreement for the acquisition of 51 % of Triathlon by Sunlight, the two organizations unify into one Group and sector champion


GW Batteries receives silver EcoVadis rating

GW Batterien GmbH, the competence center for rail vehicle batteries within the TRIATHLON Group, has been awarded the silver medal in the certification process by the renowned independent agency EcoVadis, which focuses on compliance with…


GW Batterien GmbH is now a member of the Rail.S association

Since the end of September 2022, GW Batterien has been a member of the Rail.S association.

Rail.S is one of the largest railway technology clusters in Germany. The mission of Rail.S is to strengthen the railway industry and especially the…


Your competence center around the battery



We see ourselves as a reliable and high-performance supplier and problem solver for all aspects of rail vehicle batteries.


From traditional OPzS and OGI batteries to modern sealed maintenance-free batteries in GEL or AGM technology, we offer all major systems.


For special requirements and individual special products that are not available off the shelf, we provide a remedy with our special developments.


To improve and increase the performance and lifetime of your battery systems, we offer numerous services.