Please consult the following documents for more information about the 7639-25 Teledyne Gill Sealed (VRLA) Aircraft Battery:
The Teledyne Battery Products 7639-25 is a sealed VRLA aircraft battery designed with LT Technology to deliver reliable power for Bell 429 helicopters. Featuring a nominal voltage of 24V and a one-hour capacity of 25Ah, it provides an emergency rate of 45A for up to 30 minutes. Weighing up to 61.80 pounds, this battery delivers exceptional cold-cranking performance (1503A IPP/1002A IPR at 23°C (75°F)) and performs well in extreme low temperatures. FAA-PMA approved and DO-160E tested, it features a non-spillable design requiring no STCs or modifications for installation.
- 24V nominal voltage with 25Ah one-hour capacity
- 45A emergency rate for 30 minutes
- 1503A IPP and 1002A IPR at 23°C (75°F)
- Non-spillable design with strong low-temperature performance
- FAA-PMA approved and DO-160E tested
- 18-month/800-hour inspection interval and 2-year warranty
- TSO-authorized and DO-160E tested for certified aviation compliance and safety.
- Sealed VRLA LT design is maintenance-free and non-spillable for onboard reliability.
- Delivers up to 1503 A peak cranking current at 75 °F and starts down to –22 °F
- Extends service intervals with 18 month/1800 hour capacity checks and includes a 2 year warranty.
- Compact 24 V, 25 Ah format at just 61.8 lb for optimal power-to-weight performance.
- FAA-PMA approved for plug-and-play installation on Bell 429 helicopter models.

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