TSO ETSO TC STC SMART. CERTIFIED. SAFE. LITHIUM-ion AIRCRAFT BATTERIES. True Blue Power® Advanced Lithium-ion Batteries are the first ever to receive FAA and EASA TSO certification. The sophisticated battery systems feature superior energy density with cell chemistry that delivers 3x the energy per kilogram. The result? A battery that is 40 - 75% lighter than lead-acid or NiCad alternatives. True Blue Power batteries are engineered to provide an overall lower cost of ownership, with 50 - 90% less scheduled maintenance cost, 2-year maintenance intervals, efficient engine starts, and 2 - 3 times longer useful battery life. Pilots start your engines! truebluepowerusa.comhttp://www.truebluepowerusa.com