Designed for use on continuous low drain. Replaces 390, 189, LR1130, SR1130SW/W; Duracell D389, D391 and D393; Maxell SR1130W; Panasonic SP389; Sony SR1130W; Toshiba SR1130W; and Varta V389. 11.6 mm Dia x 3.0 mm H. 85 mAh to 1.3 V. 1.55 V, carded.