Replaces: LR54, 189, AG10, LR1130, RW89, 389, 390, D189, V10GA. Duracell LR54 / 189 1.5V alkaline batteries. One of the most commonly used batteries in the world and suitable for a very wide range of devices such as booklights, mini torches, key fobs, digital calipers, toys and many other devices.