The RG-390ES is a Concorde Platinum Series Aircraft Battery. The Platinum Series is

comprised of premium hand made AGM Aircraft Batteries with excess power for

many applications.

Recombinant Gas - The RG® Series are low resistance, valve regulated lead acid (VRLA) batteries.

• 
  
• Superior starting power
• Reliable essential power in the event of a generator failure
• Low impedance design
• Maintenance free
• Constructed with non removable vent valves - no addition of electrolyte or water required
• Aerobatic: Non spillable at any altitude or attitude
• Factory tested to assure airworthiness
• Manufactured with absorbed glass mat separators (AGM)
• Short vent tubes internally threaded with a 1/8" NPT, high impact polypropolene container, powder coated aluminum cover and stainless steel hooked hold down bar.