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1pack / 5Pcs From TIANQIU electronics, comes this high quality A23 battery. This A23 battery offers extended service life and consistent discharge to keep your device running and deliver power when you need it. A23 battery equivalents are also referred to as L1028, 1811A, and TR164. This is a viable option for all A23 battery replacements. ● Type: Alkaline ● Model: 23A ● Voltage: 12V ● Use with car alarm, doorbell, electronic dictionary, camera, remote control, PDAs, ear thermometers, blood glucose tester (glucometer), body fat tester, calculator, toys, keyless car remote, keyless entry, communication equipment and other electronic product with this battery size. ● Voltage: 12V ● Diameter: About 10mm / 28.5mm ● Model: 23A ● May also be known as :23A, 23AE, A23, E23A, V23GA, MN21, GP23A, LRV08, 8F10R, 8LR23, 8LR932, CA20, K23A, L1028, MS21, RVO8 or VR22; ● Specifications: ● Usage: ● Doorbell, auto remote control,Digital camera, MP3, Walkman, Electronic Toys, Calculators, Memory backup, Pagers, Watches, Bluetooth headsets, Glucose and Blood pressure monitors and so on. ● Attention: ● Please keep batteries in dry and cool place. ● Do not recharge or dispose off in fire. ● Insert the battery in right direction and avoid short-circuit. Notes: 1. Manual measuring, please allow 1 ~ 3mm error, thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. We guarantee the style is the same as shown in the picture.