Certified Replacement Batteries for the Learjet 28 The Concorde Batteries listed below are certified battery replacements for the Learjet 28 . It is the installers responsibility to verify the aircraft manufacturer's original battery part number prior to each installation. To view corresponding FAA/PMA or STC information click here. Aircraft Manufacturer Aircraft Model Battery Voltage Platinum Series ® (Click For More) Standard Equipment (Click For More) Remarks/Comments STC/FAA-PMA Learjet 28 24 RG-380E/40B   to replace lead-acid battery FAA Design Approval Learjet 28 24 RG-380E/44   to replace lead-acid battery FAA Design Approval Learjet 28 24 CB24-380E   to replace lead-acid battery FAA Design Approval RG-380E/40B RG-380E/44 CB24-380E CB & RG® Series Available in: Standard Equipment - Maintainable or Sealed Valve Regulated Platinum Series® Extra Cranking Maintainable or Sealed Valve Regulated Click Here for more Click for Applicable FAA PMA Info Click for Drawings Below PRODUCT SPECIFICATIONS Voltage Part Number Description Cold Cranking Amps Rated Capacity C1 = 1 hr. rate in ampere hours Weight Lbs             Kg 24 RG-380E/40B Platinum Series ® 0.0 38.00 81.00 36.7 24 RG-380E/44 Platinum Series ® 0.0 42.00 86.00 39.0 24 CB24-380E Platinum Series ® 505.0 43.00 80.00 36.3 The Concorde Batteries listed above are certified battery replacements for the Learjet 28 . To view corresponding FAA/PMA or STC information for the Learjet 28 click here for the . RG® Series - Recombinant Gas Nonspillable at any altitude or any attitude. Valve Regulated Sealed Lead Acid. Shipped from the factory serviced and fully charged. No additional electrolyte or water required. Permanently sealed at the factory. CB Series - Dry Charged, Vented Requires activation with electrolyte and charging by the end user prior to installation.

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