The Maxell LR1130 189 389 Alkaline Coin Cell is an non-rechargeable alkaline battery and has one of the strongest operating voltage in all of coin cell batteries. At 1.5V, it delivers high performance and has a higher operating voltage with extremely stable power supply. Providing excellent power sources to your devices and is ideal for small toys, calculators, watches, games, and other electronic devices. Also equivalent to 189, 389A, L1131