From 2019 (YouTube Edition): True Blue Power Makes Additional Airline Inroads Ravn Alaska has installed the company’s TB44 (46 amp-hour) Advanced Lithium-ion Batteries on DeHavilland DHC-8 aircraft. Ravn will install TB44 batteries during routine C-check maintenance operations throughout 2018. The battery outperforms existing nickel-cadmium (NiCad) and lead-acid alternatives, delivering more power, significantly less weight, increased safety, longevity and reduced maintenance costs. The high-performance lithium-ion battery received a Federal Aviation Administration (FAA) Supplemental Type Certificate (STC) on DHC-8 100/200/300 series aircraft in 2015.
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