Comment by nine_k

I agree, but I suppose most batteries in circulation at the front lines are not fresh, and likely have 75%-90% of the original capacity after intense discharge-charge cycles multiple times a day. If his battery does not deteriorate as quickly, it may be worth the price, for non-kamikaze-type drones. Not a shaped charge and ramming into armor, but a mortar round dropped from 300-500m, undetected. There is a ton of videos on YouTube with footage from such bomber drones.

10 extra minutes may mean extra 5 kilometers of range, or of a patrol / recon route.