Thu, Mar 21, 2024
TS28 Replaces Emergency Lighting Batts on 6 Models of Cessna Aircraft
Cessna Citation owners of the 550,m 560, 650, 680/A, and 700 series aircraft have a new replacement option to swap out for the old, heavy emergency lighting battery.
The new TS28 provides 28 volts of DC power for aircraft loads, allowing pilots to keep all the fixin's going in the event of a generator failure. The TS28 is a direct drop-in replacement for the original Radiant Battery Power Supply (CBS28-1), allowing the use of lighting and critical gear should the worst occur. Unusually, the TS28 sticks with Nickel Metal Hydride (NiMH) this time around, chosen for its "improved performance, battery life, and energy per cell compared to competing battery chemistries". It's a break from the seemingly constant drumbeat of new lithium batteries, if anything. But True Blue Power knows what they're doing, and they say the NiMH system "is more environmentally friendly and provides significantly better dispatch reliability, with no memory effect and increased capacity."
When equipped on a suitable Citation, it offers a 2-year capacity check, no memory effect, higher total power storage, and easy in & out removal. Over its 4 to 6 year life span, it should prove quite a bit less needy for the end user, requiring less attention than vintage lead acid units while offering a suitably modern bump in performance. It sports a familiarly rugged metal chassis and 4-pin milspec circular connector for electrical interfacing with existing gear. The installation requires only 4 threaded fasteners, shortening maintenance timelines with an improved battery without the niggling worry of a fire, as some lithium items nestled deep in the aircraft's guts may give.
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