Balqon Receives Contract from the Port of Los Angeles to Retrofit Electric Yard Tractors with Lithium-ion Batteries.

In 2009, Balqon delivered 14 Nautilus XE20 electric yard tractors equipped with lead acid batteries to POLA under an agreement between Balqon and the City of Los Angeles. The limited range of the vehicles equipped with lower energy density lead acid batteries led to the development of an extended range lithium battery powered electric yard tractor, Model XR E20.

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