Related Clues:

• Std. batteries
• Digital camera inserts
• Common batteries
• Batteries for digital cameras
• Remote power sources?
• Pencil-sharpener batteries
• ___ in 'aardvark'
• Some remote power sources
• Some small batteries
• -- in 'alpha'
• Some small power supplies
• Some toy batteries
• Some clock batteries
• Penlight cells
• Very small batteries