Maxell SR927W 1.55v 399 Watch Battery (5 Batteries)

5pk Maxell Silver Oxide Watch Battery SR927W High Drain Replaces SR57The 399, or SR927W, 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 "W" high drain battery. High Drain batteries are for applications with a continuous, low power consumption and occasional high peaks: Analog and digital watches with extra functions (backlight, alarm), pocket calculators, electronic games, cameras, etc. This is in comparison to low drain batteries, which are best used in devices that use a small amount of power over a long time: Analog watches, TV remotes, alarm clocks, etc.SpecificationsChemistry: Silver OxideVoltage: 1.55VCapacity: 57mAhDiameter: 9.5 mmHeight: 2.7 mmIncludes 5 BatteriesFeaturesHigh Drain – Best used with multi-function watches incorporating an alarm, illumination light, etc.A flat discharge curve during discharge supplies a stable voltage until the end of the discharge lifeHigh-energy density per unit volume provides 2x the amount of energy capacity as button-type alkaline batteriesFeaturing Maxell’s original leak-resistant processingAlso Known As: 1162SO, 1165SO, 280-44, 280-48, 395, 399, 399BP, 543, 610, 613, AG7, D 395, D 399, D395, D395/399, D399, GR927, L926, LA, R 395/25, R 399/35, RW 313, RW 413, RW413, S19, S927SW, SB-AP/DP, SB-BP/EP, SG7, SP395, SP399, SR 57, SR 927 SW, SR 927 W, SR57, SR57H, SR926, SR927, SR927SW, SR927W, SR927W/SW, TR927W, V395