Concorde Battery RG-641 Receives TSO Approval

The newest addition to Concorde’s RG® Series of Valve Regulated Sealed Lead Acid aircraft batteries, the RG-641, has received TSO Approval.

Specifically designed for superior performance in demanding turbine engine starting applications, the 17 Ah RG-641 was proven after undergoing rigorous TSO C-173 testing for duty cycle, electrical performance, temperature extremes, shock/vibration and environmental conditions. This latest approval brings Concorde’s TSO Authorized part numbers to a total of 87.

Concorde has designed and manufactured application specific solutions for over 3 decades in West Covina, California. Concorde is a supplier of over 90 models of Original Equipment and direct replacement lead acid batteries for fixed wing and rotary aircraft. Concorde batteries are installed as Original Equipment by the majority of aircraft manufacturers and adopted by military aircraft operators worldwide.


For more information about this release please contact Customer Service at Concorde Battery. Call 626- 813-1234 or email