15 Energizer 379 Button Cell Silver Oxide Sr521sw Watch Battery (3 Packs of 5 Batteries)
Brand: Energizer

Energizer is respected world wide for its uncompromising quality and consistent performance. Energizer's technological leadership produces a variety of miniature batteries which are trusted for use by the best names in watch, computer, keyless entry, consumer electronics and hearing aid industries. Energizer's reported failure rate is far less than 1/1000 of 1%. This devotion to consistent quality has led it to control over 70% of market share in Switzerland, one of the world's leading watch producing countries.

High energy density has been achieved owing to the Energizer's original high-precision material-mixing technology. The use of antioxidant, high performance separators also contributes to improved storage characteristics.
Excellent stable discharge characteristics. Constant voltage output is available during the discharging.
Excellent leakage resistance. Energizer-unique sealing structure, coupled with special sealing- material treatment, has helped accomplish the excellent leakage resistance.
Excellent service maintenance; in excess of 90% after storage at 70°F for 5 years