Maxell Silver Oxide SR521SW

The Maxell 379 / SR521SW button cells come in a convenient 10-pack blister. The batteries are individually packaged in a cup blister.

• Maxell 379 / SR521SW
• Battery type: 379
• IEC: SR521
• SW = Low Drain (LD)
• Low drain
• Chemical system: Zinc silver oxide
• Voltage (V): 1.55 volts
• Diameter (ø): 5.8 mm
• Height: 2.15 mm
• Weight (g): 0.20 grams
• Nominal capacity: 16 ± 13 mAh
• Nominal discharge current: 20 µA
• Mercury-free (Hg0%)
• Packaging unit: 10 pieces (10x 1 blister)
• Maxell - Made in Japan

The Maxell 379/SR521SW is designed and suitable for low-power watches (without backlighting and/or alarm).

Maxell 379 button cell - Silver battery. Maxell is the world's leading manufacturer of mercury-free, environmentally friendly watch cells. Silver oxide cells are the primary long-lasting cells for quartz wristwatches, where a high energy density per unit volume and a stable operating voltage are required. To distinguish between mercury-free silver oxide batteries and standard silver oxide batteries, Maxell has marked the mercury-free variant with a registered design Hg 0 % logo.