By “low signal” we think she might mean a limp penis, and by “weak batteries” we think she might also mean a limp penis.

gamecrush-weak-batteries

Taken from the profile of “SexyNative” over on bizarre “gaming dating” site GameCrush. We assume she’s attempting to associate penile penetration with video gaming there, ie, she might be available for paid sex once you’ve beaten her 20-0 in Halo 3 and got your confidence up.