All Sentry products are sourced from only high quality manufacturers and backed by the HBPlus Batteries name synonymous with consistency and quality. The Sentry brand provides endurance and ultimate power in the harshest of environments as well as protects against unwanted power failure. Sentry have just launched a range of Lithium Deep Cycle LiFePO4 Batteries. The sentry range includes high quality and performance, competitively priced batteries across a number of technologies for a wide range of applications. Sentry Golf Cart Batteries, Sentry Lithium Deep Cycle Batteries and AGM Batteries.