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Home / Electrical / Batteries / Homebuilders & Ultralights /Centennial Gel 12 Volt Battery
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Centennial Gel 12 Volt Battery

7 Reviews 5 Answered Questions
$246.95/Each
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Part# 11-03156
MFR Model# U1GEL

Overview

Centennial Gel 12 Volt Battery

• Maintenance-free operation
• Excellent shelf life
• Long cycle life
• Can be mounted on its side
• Delivered fully charged and ready for use
• No corrosive gas generation
• 300 Starting AMPS
• Warranty 1 year or 100 hours.
• Quality construction provides superior resistance to shock and vibration
• DOT AND IATA approved for shipment by air as dry cells

Note: FOR EXPERIMENTAL AIRCRAFT ONLY.

BATTERY WARRANTY (Applicable to Gill and Concorde)
The manufacturer will replace with a new battery without charge (except for transportation) any battery which fails in service within 90 days. Addition of any chemical other than water or battery grade sulfuric acid voids this warranty. After expiration of Service Guarantee, adjustment will be made on pro-rata basis based on unused months of service. Batteries that are broken, discharged or fail due to freezing or abuse are not covered.

Safety Data Sheet in PDF

Specifications

  • AH @ 20HR-32
  • RC minutes @ 25 amps-47
  • CCA-215
  • CA/MCA-310
  • Term Type-L
  • Length:7-3/4
  • Width: 5-3/16
  • Height: 7-1/4
  • Weight: 24 lbs

Benefits

  • Last longer than comparable wet lead/acid and marine batteries.
  • Does not need to be fully discharged before recharging.
  • Does not develop a "memory" that limits their recharging.
  • Does not need to be recharged with lower amps than wet lead/ acid batteries.
  • Will not automatically discharge if put on concrete.
  • Frequently Purchased With
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Reviews

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Good battery

Briar M Verified Purchase

Homebuilders Battery U1-Gel
April 11, 2023

Quit turning over the O-200 after 7 years and 6 months. Too many 115 degree days in Phoenix this year may be the reason for the failure. Ordering a replacement today.

Bob
October 23, 2020

Had one in an RV-6 with a 150 Lycoming since 2001 and is still spinning it over. Also using a Skyteck starter with no problems after eating up several Lycoming starters.

Rex
October 21, 2014

This battery lasted from 2005 thru 2013 in my RV-4. Love it and I'm buying another.

Gregg
December 13, 2013

High quality, fit perfectly.

Charles W
November 13, 2018

I used this battery to replace an RG-24 in an experimental airplane. It is very close in size, but I discovered that the + and - posts are exactly reversed. You may have installation, or wiring problems because of this difference. Be aware.

Gus
January 19, 2017

Paul F
February 11, 2018

Q&A

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Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What does this battery weigh? Regarding Part No. 11-03156

The weight of this battery is approximately 24 lbs.

Q: Regarding Centennial Gel 12 Volt: Does this battery meet specs for a certified aircraft?

No, this battery is not approved for use in certified aircraft. It is intended for experimental aircraft use only.

Q: How many amps can this battery store?

AMP HOUR RESERVS - (20 HRS)=31/33. TOTAL CAPACITY 40/45.

Q: Are the terminals located as indicated in the picture? So the + will be at the right closest corner?

They are as shown in the photo on the website.

Q: Does this battery charge properly on a trickle charger, or does it have a minimum charge rate?

Yes this could be charged with a modern trickle charger.

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