Scottsdale-based Ecotality announced Friday it will acquire Minit-Charger for $3 million.
Minit-Charger is a subsidiary of Edison International.
The company provides a fast battery charging system for forklifts and other material handling equipment.
With the acquisition, Ecotality has purchased four companies with combined 12 month revenue of $14.55 million.
Jonathan Read, company CEO, said Ecotality is committed to commercial development of fast charging battery and clean electric propulsion systems.
Ecotality is a renewable energy company.