Rechargable Sealed Lead Acid Battery. Completely sealed, maintenance-free, low self-discharge, State of the art AGM and grid alloy formula technology, Non-spillable, stable quality and high reliability with excellent re-charging performance. Floating and standby use up to: 5 years, Cycle use: Up to 260 cycles at 100% DoD, Cycle use: Up to 500 Cycles at 50% DoD, Container and Cover Material – ABS UL94-HB (optional UL94-V0), Transportation - D.O.T., I.A.T.A. & F.A.A.