EnerDel introduces Li-ion pack for upgrading Allison NiMH-based hybrid buses
Green Car Congress
MAY 7, 2013
With many of those batteries past their warranty and in need of replacement, the PPA300-689 Vigor+ Energy Storage System gives metropolitan transit authorities a choice in how to keep their clean-emission fleets operational at a fraction of the cost of total replacement. —EnerDel CEO Dave Roberts.
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