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53050-12V - Start Pac 53050-12V 50-Amp 12V Portable Aircraft Power Supply

Item Superseded
The 53050-12V is a discontinued part number and has been replaced by Start Pac 53050-12V-Mini
Specific Part Number

The 53050-12V is a specific part number of the series Start Pac 53050-12V-Mini. For more generalized information on this item series or for more options, click here.

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Previous Part Number
Alternate Models
53050-12VPrevious Part Number
General Information
Part #53050-12V
ManufacturerStart Pac
Warranty
Details1 Year Limited Warranty - View Details
Shipping Information
Shipping Weight18 lbs.
Shipping Dimensions18 x 9 x 9 in.
Schedule B8504210020
ECCNEAR99

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AIRCRAFT COMPATIBILITY

Compatible Aircraft*
*This list is for general reference only and may not be entirely accurate for all aircraft. Please confirm all equipment meets the requirements of your aircraft with the owners/maintenance manuals prior to purchasing or using with your aircraft.

PRODUCT REVIEWS

5/5
by Anonymous in Derby, KS
07/03/2024 04:27:23 PM
Pilot John had the lowest price and I received it in two days! The product works great just as the website said. I've connected it to my Beech Bonanza F33A and use it to help with my new panel installation and Garmin updates.

QUESTIONS & ANSWERS

Question:
What is the Start Pac 53050-12V primarily used for?
Answer:

The Start Pac 53050-12V is designed to power up 12V aircraft systems during maintenance, programming, and cockpit checks. By providing an external DC power source, it allows technicians to run avionics, GPS programming, and electrical systems without drawing on the aircraft battery. This helps extend battery life and ensures the aircraft is ready to start when needed.

Asked August 28, 2025
Question:
Can this portable aircraft power supply be used for engine starting?
Answer:

No, the Start Pac 53050-12V is not designed for engine starting or battery charging. Its function is to power aircraft electrical systems at 12V during light-duty maintenance tasks. Using it for starting could damage the unit or fail to deliver the necessary current required for engine ignition.

Asked August 28, 2025
Question:
How does the unit protect aircraft systems during use?
Answer:

The Start Pac 53050-12V includes multiple built-in safety features, such as overcurrent, overvoltage, and overtemperature protection. These safeguards ensure stable power delivery and prevent accidental damage to sensitive aircraft avionics. The unit is also CE certified, adding an extra layer of reliability and compliance for aviation maintenance operations.

Asked August 28, 2025
Question:
Is the Start Pac 53050-12V fan-cooled?
Answer:

Yes, the unit is cooled by a continuous-duty fan to maintain safe operating temperatures during extended use. This cooling system helps prevent overheating, ensuring the unit delivers consistent performance during prolonged cockpit powering tasks. The fan cooling feature makes it suitable for maintenance environments where reliability is critical.

Asked August 28, 2025
Question:
What type of maintenance tasks benefit from this power supply?
Answer:

The Start Pac 53050-12V is commonly used for GPS updates, avionics programming, system checks, and cockpit lighting tests. These tasks often require powering the aircraft’s electrical system without draining the main battery. Bypassing the onboard power source ensures that technicians can complete updates and tests efficiently.

Asked August 28, 2025
Question:
How portable is the Start Pac 53050-12V?
Answer:

The unit is lightweight, weighing only 9 lbs (4.08 kg) and having compact dimensions of 14" x 5.25" x 5.5". Its small footprint and easy portability make it convenient for technicians to carry between hangars or across the ramp, a major advantage for MRO facilities and field service operations.

Asked August 28, 2025
Question:
Can this power supply be used with any aircraft battery type?
Answer:

Yes, since it provides direct 12V DC output, the Start Pac 53050-12V can support aircraft systems regardless of whether the onboard battery is lead-acid or lithium-based. However, it bypasses the battery entirely, supplying stable power directly to the systems instead of interacting with or charging the battery.

Asked August 28, 2025
Question:
Does the unit come with built-in protection against overheating?
Answer:

Yes, the Start Pac 53050-12V includes overtemperature protection to prevent damage during extended operation. This feature automatically safeguards the unit if it begins to exceed safe temperature thresholds. Coupled with fan cooling, it ensures long service life and consistent performance in demanding aviation environments.

Asked August 28, 2025
Question:
Why is the Start Pac 53050-12V essential for preserving aircraft batteries?
Answer:

The Start Pac 53050-12V eliminates unnecessary battery drain by supplying power for avionics and cockpit systems during maintenance. Aircraft batteries are preserved for engine starting rather than depleted by repeated programming and checks. This reduces battery wear, lowers replacement costs, and improves operational readiness.

Asked August 28, 2025