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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Flashlight power source 7 letters:

DRYCELL: Flashlight power source
CCELL: Flashlight power source, perhaps
CCELL: Common flashlight power source
DBATTERY: Common flashlight power source
AAS: Flashlight power sources