Unless he lives in the Sahara, or left it under a Fresnel lens, it should be fine.
LiPos can easily reach operating temperatures of ~60C (that's ~140F for you crazy Imperial types), and the failure range well exceeds this.
"Hot" to you or I, humans in general, is often well within the safe operating range of most electronics.
I feel I should note, though, that the alcohol would've evaporated off entirely in a matter of minutes at an average room temperature.
[Saint]