This is a "W" high drain battery.
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.46in (11.55V Watch Battery Replaces SR44W 357 10pk Exell EB-SR44 Silver Oxide 1.55V Watch Battery Replaces SR1154 357EB-SR44 SR1154 Silver Oxide watch cell battery is normally used in watches, with a shelf life of 5+ years.