Concorde Battery Corp. has developed two new light weight 24-volt batteries for reciprocating engine aircraft. Both models have FAA Parts Manufacturing Approval. RG24-9 and RG24-10 are light weight recombinant gas, AGM, RG® Series batteries. They are designed for a two-battery, two-buss, two-alternator/generator system to satisfy the requirement for a secondary system, FAR 135.163(F)(2), supporting electronic ignition systems and/or glass panel installations, full authority digital engine control (FADEC), eectronic engine control (EEC), electronic flight instrument system (EFIS); buss tied to run in parallel only for cranking or standby emergency power. For more information visit www.concordebattery.com.