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Nikel-Cadium Accumulator Battery 20NKBN-25-U3, 20NKBN-25-D-U3, 20NKBN-25-TD-U3

Aviation Nikel-Cadmium Accumulator Battery is applied on more than 40 Russian made Aircrafts and Helicopters, including all contemporary newly designed and upgraded Aircrafts.


Approved civil and military application.

Batteries with D and TD indexation are distinguished by their thermode type (indicator of heat-sensing device and mode). D indexation is marked on BEG 23-10/18а-I-Т plug as follows:
  • 2 accumulator sections' voltage(10 pcs in each section)
  • resistance of temperature sensor/probe ЯЯ-21Ь, installed on inter-cells connection between 15 and 16 accumulators, from positive battery outlet.
  • TD(bio-metallic) - indication of critical battery condition (overheat) at temperature raise in inter-cell connection 60 - 70 by transferring of electrical signal (close-up of thermode electric circuit).
  • stand-alone (autonomous) start (including ground) of aircraft engines or turbine starter, helicopters and single power units;
  • start in flight of stopped engine or turbine starter;
  • ground and emergency power supply;
  • in flight power supply for 1st class transmitters in case of emergency.
Technical data (JPG)

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Nikel-Cadium Accumulator Battery 20NKBN-25-U3, 20NKBN-25-D-U3, 20NKBN-25-TD-U3 and analogs for sale is available at Trast Aero! We have a reliable logistics system that secures the delivery of your orders. We are a top distributor of high-class aviation parts and we ship worldwide. We have professional staffs to provide you with the detailed information and the technical specifications of our products.

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