MORE POWER LESS WEIGHT Introducing the first ever TSO-certified lithium-ion engine start batteries TB44 TB17 44 Ah Battery 17 Ah Battery 52 lbs FAA TSO certified! 15.6 lbs True Blue Power ® is harnessing the power of Nanophosphate® lithium-ion cell technology to deliver a new generation of advanced lithium-ion batteries to aviation. The TB44 and TB17 batteries feature superior energy density with cell chemistry that offers 3x the energy per kilogram when compared to lead-acid or nickel-cadmium alternatives. These advanced battery systems are engineered to provide an overall lower cost of ownership, including 50 - 75% 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