This listing is for 5 brand new sealed Renata Battery no 364 or SR621SW In mid 2013 Renata re-designed package, these new batteries are mercury free. Rest assured your device will remain powered for a long time using trusted and reliable Renata button and coin cell batteries. Ideal for use in Watches Calculators Laser pointers Keyless entry Digital thermometers Car alarms and more... Specifications Weight: 0.16 oz. Brand: Renata Voltage: 1.5 mAh: NA Color: Silver Product Length: 1 Product Width: 0.5 Product Height: 1 Replaces Rayovac 364 Panasonic SP364 Renata 364 Sony SR621SW Toshiba SR621SW Varta V364 Maxell SR621SW Bulova 602 Citizen 280-34 IEC SR60 Seiko SB-AG Seiko TR621SW Duracell D364 AWI S14 Seiko SR621SW