The battery powered Cage spray is autonomous and enables you to spray on two sides and up to six levels.

笼养喷雾机是以电池为动力的，能对两侧高达六层的笼养鸡进行喷雾。

youdao

Hypothetically speaking, body panels already used on a vehicle could be treated with the battery-like spray paint potentially replacing, or at least reducing, the size of bulky battery packs used on current hybrids and electric vehicles.

FORBES: Soon We Might Spray-Paint Batteries Onto Any Surface