Definition(s)
Wet shelf life
Wet shelf life is defined as the time that an initially fully charged battery can be stored at 25 °C (77 °F) until permanent cell damage occurs.
Source: API Recommended Practice 14FZ, Recommended Practice for Design, Installation, and Maintenance of Electrical Systems for Fixed and Floating Offshore Petroleum Facilities for Unclassified and Class I, Zone 0, Zone 1, and Zone 2 Locations, Second Edition, May 2013. Global Standards
Wet shelf life
Wet shelf life is defined as the time that an initially fully charged battery can be stored at 77 °F (25 °C) until permanent cell damage occurs.
Source: API RP 14F, Design, Installation, and Maintenance of Electrical Systems for Fixed and Floating Offshore Petroleum Facilities for Unclassified and Class 1, Division 1 and Division 2 Locations, Fifth Edition, July 2008. Global Standards