Fact 1: An incandescent light bulb converts electricity into light by sending electricity through a filament. Fact 2: Additional electricity is stored in the battery. Given the two facts above, answer the question "What can convert battery energy into light?" with the following options: - incandescent light bulbs - motors - focusing a lens - an electron lens - generators - speakers - hydrogen and oxygen - Firecrackers
A:
incandescent light bulbs