Features: BATTERY SIZE: A27 Batteries MANUFACTURER: GP WEIGHT:27 VOLTAGE:12V BATTERY TECHNOLOGY: Alkaline DIMENSIONS:Diameter: 7.7mm Height: 28mm ITEM CODES: A27, E27, CA22, MN27, EL-812, G27A, EL812, GP27A, L828, 27A PRODUCT TYPE:Batteries RECHARGEABLE Y/N: No