Camelion Lithium Button Cells, 3V power In

Compatible with All Guitar Preamps & Pickups with 3V Power In Compatible with All Guitar Digital Tuners with 3V power In Frame: CR2032 Dimensions: 20,0 x 3,2 (∅ x H mm) Weight: 3.1 g Capacity: 220mAh to 2V (20° ± 2° C rated capacity at 15kΩ continuous drain)