Loopacell CR1130 3V Lithium Coin Cell Battery great for electronics around the house, like keyless entry, electronic books and glucose monitors. The CR1130 lithium button cells are commonly used in car security (car alarm/keyfob batteries), organizer (backup battery for PDA such as Psion etc), glucometer, camera, electric thermometer, calculator, computer equipment (memory backup battery), toys, accutron, communication equipment, electronic watches/clocks, card radios, data pack for video camera. also known as: DL1130, BR1130, KL1130, L1130, ECR1130, KCR1130, E-CR1130, KECR1130