5pk Maxell Silver Oxide Watch Battery SR421SW Low Drain Replaces 348

The 348, or SR421SW, is a popular Silver-Oxide cell commonly used in watches, with a shelf life of 5+ years. Other applications may include calculators, film cameras, medical instruments, cash registers, or FA Instruments (Measuring Instruments, Onboard Microcomputers, Sensors).

This is a "SW" low drain battery. Low drain batteries are best used in devices that use a small amount of power over a long period of time: Analog watches, TV remotes, alarm clocks, etc. This is in comparison to high drain batteries, which are for devices with a continuous, low power use and occasional high peaks: Analog and digital watches with extra functions (backlight, alarm), pocket calculators, electronic games, cameras, etc.

• Chemistry: Silver Oxide
• Voltage: 1.55V
• Capacity: 12mAh
• Diameter: 4.8 mm
• Height: 2.15 mm
• Includes 5 Batteries

• Low Drain Type - Best used with analog watches
• A flat discharge curve during discharge supplies a stable voltage until the end of the discharge life
• High-energy density per unit volume provides 2x the amount of energy capacity as button-type alkaline batteries
• Featuring Maxell's original leak-resistant processing

Also Known As: 280-77, 348, SB-A6, SR421, SR421SW, V348, GP348, D348

Need more than one? We offer great discounts on quantity orders and FREE SHIPPING offers available.

Need more Maxell SR421SW-5pk? We offer great discounts on quantity orders and FREE SHIPPING offers are available.