The 2009 Jungheinrich 4 wheel, 48 volt, AC trucks I work on are the very best I've ever seen in forklifts for battery run time. The first 3-4 hours of use the gauge stays at 100%. Then at the end of the shift it is at about 60%. The 2nd shift guy comes in and continues to use the one without charging for a several hours. After servicing lifts for many many years I vote Jungheinrich electric as the best quality forklift going so maybe there is something to that.
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