Yup that is a terminal hardware failure from the charger. More concerning is the impact on the phone and battery.
Request everything to be replaced.
1x LG G2 D802T 16GB White 36591 Antutu 4 score (jelly bean stock rom - rooted/shows unrooted in download mode
1x LG Optimus G E975
1x Goophone I5 n2
1x Thunderbird 4s
2xHTC Touch HD2 T8585(Taiwan/China)
1xSamsung Galaxy S I-9000(Korea)