The authors wish to make the following correction to this paper [1].
On Page 19, Figure 16d should be changed from:

to the following correct version:

The authors would like to apologize for any inconvenience caused to the readers by these changes.
Reference
- Do, T.C.; Truong, H.V.A.; Dao, H.V.; Ho, C.M.; To, X.D.; Dang, T.D.; Ahn, K.K. Energy Management Strategy of a PEM Fuel Cell Excavator with a Supercapacitor/Battery Hybrid Power Source. Energies 2019, 12, 4362. [Google Scholar] [CrossRef]
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