Gill® aircraft batteries, manufactured by Teledyne Battery Products, are among the most trusted aviation batteries for general aviation aircraft. Known for reliability, strong cranking performance, and FAA-approved quality, Gill® batteries are a top choice for aircraft owners, A&P mechanics, and maintenance shops. Aircraft Spruce carries the full selection of Gill® flooded lead-acid and sealed VRLA batteries, making it easy to find the right replacement battery for your aircraft model.