Clemens Aviation and True Blue Power team up on lithium battery


True Blue Power has announced its Gen5 TB40 (40Ah) Advanced Lithium-ion Main Ship Battery is Supplemental Type Certificate (STC) approved on Hawker/Beechjet 400 Series aircraft. Clemens Aviation is the launch customer for the new lithium battery STC kit.

The ultra-lightweight TB40 reduces Hawker/Beechjet aircraft battery weight by up to 60 pounds, increases useful load, faster turbine starts and improves performance.

“The TB40 lithium battery is a game changer for our fleet of 24 Beechjets,” said Alex Clemens of Clemens Aviation. “Between the cooler starts, weight savings and increased dispatch reliability, we were sold on the TB40 immediately.” The STC Kit includes a TSO-certified Gen5 TB40 Advanced Lithium-ion Battery, a Mid-Continent Instruments and Avionics Flex Digital Battery Annunciation Control Unit (ACU), and installation hardware and manuals.

Clemens Aviation, a full-service FBO, maintenance facility and private aircraft management company in Wichita, Kansas, is upgrading its fleet of Hawker/Beechjet 400s from lead acid to lithium-ion main ship batteries.

The Specs

The TB40 lithium-ion battery can fully recharge within 30 minutes and features a built-in automatic heater for superior performance in extreme temperatures, down to -40°C. It also features a proprietary Battery Management System (BMS) and provides constant monitoring, protection and capacity data.

The Flex Digital ACU displays the 400’s main battery status, state of charge, state of health, volts, amps, temperature, remaining life and fault data directly to the pilot. The Gen5 batteries are on-condition, require no capacity checks and last eight years.

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