Ah, the "brochure"....always promises the world but, it's all BS.
10 years ago, Wal-mart saw the hydrogen fuel cell brochure, promised 16 hours run time. They got 4, and spent countless hours fixing them. Still not much better all these years later.
Jungheinrich parts prices are out of this world and continent! Their systems are impossible to access. Any possible extended run time will be defeated by downtime...and repair costs.
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