The Gill 7407-28 is “Original Equipment (OEM) for the Bell 407GX and Bell 407 GXPNO STC Hardware Required for 407 GX and 407 GXP.Maintenance Free – Shipped Fully Charged and No Electrolyte or Water RequiredNon-Spillable and Proven for Aerobatic Maneuvering2 Year Factory Warranty After InstallationRobust Starts, Higher Residual Power & Faster Re-Charge TimesFirst Capacity Check Not Required Until 18 Months/1800 HoursCost Competitive and Best Shelf Life in Lead Acid ChemistryAdvanced Valve Regulated Lead Acid (VRLA) DesignFAA/PMA Approved, TSO Authorized and Tested to DO-160ELT® Series Batteries Are Fully RecyclableLT® Series Batteries Ship Hazmat ExemptStart strong with the Gill® 7407-28. Original equipment for your Bell 407 Helicopters. See the application chart to locate your aircraft and review your battery options. Model VoltageAmp Hours30 Minute CapacityBattery Diagram PDF 7407-28242045Download FullBattery Specification