The Concorde sealed lead acid battery is certified for lead acid and nickel cadmium replacements. The Concorde turbine starting battery will outperform well serviced nickel cadmium at low temperatures, provide safe and reliable operation at high temperatures, and is capable of multiple engine starts with short flight durations.

Recombinant Gas – The RG® Series are low resistance, valve regulated sealed lead acid (VRSLA) batteries.

  • Superior starting power
  • Reliable essential power in the event of a generator failure
  • Low impedance design
  • Maintenance free – No addition of electrolyte or water required
  • Non spillable at any altitude or attitude
  • Factory tested to assure airworthiness
  • Shipped fully charged and ready to install
  • Manufactured with absorbed glass mat separators (AGM)
  • RG® Series batteries ship Hazmat exempt
  • Eliminate the fear of thermal runaway
  • Installs in less than an hour

RSI holds STC# SR02477LA for the Sikorsky S-76 A, B, C, D to operate and maintain the aircraft with 9 or less passenger seating.
Rotorcraft Support, Inc. has obtained the STC to replace existing Ni-Cad batteries with reliable Concorde Lead Acid Batteries for Bell 407,427, 430, Leonardo 109 Series and EC130 series to replace their OEM supplied NiCad battery with a state of the art Concorde lead acid sealed cell, no maintenance battery.

MANUFACTURE MODEL CONCORDE P/N AMP-HOUR CONCORDE P/N AMP-HOUR STC# TCCA EASA
BELL TEXTRON BHT-407 RG407 17 AMPH RG427 28AMPH SR01456LA SH17-17 10032879
BELL TEXTRON BHT-427 RG407 17 AMPH RG427 28AMPH SR01456LA SH17-17 N/A
BELL TEXTRON BHT-430 RG407 17AMPH N/A N/A SR01456LA SH17-17 N/A
LEONARDO A109 SERIES RG407 17AMPH N/A N/A SR01456LA SH17-17 N/A
AIRBUS HELICOPTERS EC130 SERIES RG350 17AMPH N/A N/A SR02073LA VALIDATED N/A