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Part# 11-11312
MFR Model# 7035-28


  • The 7035-28 is a “sealed lead acid battery upgrade” to the popular Gill® G-35
  • Maintenance Free – Shipped Fully Charged and No Electrolyte or Water Required
  • Non-Spillable and Proven for Aerobatic Maneuvering
  • 2 Year Factory Warranty After Installation
  • Robust Starts, Higher Residual Power & Faster Re-Charge Times
  • First Capacity Check Not Required Until 18 Months/1800 Hours
  • Cost Competitive and Best Shelf Life in Lead Acid Chemistry
  • Advanced Valve Regulated Lead Acid (VRLA) Design
  • FAA/PMA Approved, TSO Authorized and Tested to DO-160E
  • LT® Series Batteries Are Fully Recyclable
  • LT® Series Batteries Ship Hazmat Exempt
Start strong with the Gill® 7035-28 for your 12V piston powered Cessna, Beechcraft, Piper, Maule, Mooney, American Champion, CPAC, and Alexandria aircraft. See the application chart to locate your aircraft and review your battery options.

Battery Type Voltage Amp Hours 30 Minute Capacity Weight (Lbs.) Battery Diagram PDF
7035-28 12 28 45 30 Download Full Battery

Application Guide

Manufacturer Model PMA SUP. #
Alexandria Aircraft 17-30, 17-30A, 17-31, 17-31A, 17-31TC, 17-31ATC 57
American Champion 7GCAA, 7GCBC, 7KCAB, 8KCAB 57
Beech / Beechcraft 19, 23, 24, 33, 35, 35 Bonanza, 36, 50, 76 11, 57
Cessna 180, 182, 185, 188, 190, 195, 206, 207 210 Series 57
Cessna 177, 177A, 177B, 180A, 180B, 180C, 180D, 180E, 180F, 180G, 180H, 180J, 180K, 182A, 182B, 182C, 182D, 182E, 182F, 182G, 182H, 182J, 182K, 182L, 182M, 182N, 182P, 182Q, 185, 185A, 185B, 185C, 185D, 185E, A185E, A185F, A188A, A188B, 190, 195, 195A, 195B, 206, P206, P206A, P206B, P206C, P206D, P206E, U206, U206A, U206B, U206C, U206D, U206E, U206F, U206G, 207, 207A, T207, T207A, 210, 210B, 210C, 210D, 210E, 210F,210G, 210H, 210J, 210K, T210F, T210G, T210H, T210J, T210K, T210L, T210M , T210N , T210R 57
CPAC, Inc. 112, 112B, 112TC, 112TCA, 114, 114A 57
Globe GC-1A, GC-1B 57
Hawker Beechcraft 19A, B19, M19A, 23, A23, A23A, A23-19, A23-24, B23, C23, A24, A24R, B24R, C24R, E33, E33A, F33, F33A, F33C, G33, 35, 35-33, 35-A33, 35-B33, 35-C33, 35-C33A, A35, B35, C35, D35, E35, F35, G35, H35, J35, K35, M35, N35, P35, S35, V35, V35A, V35B, 36, A36, A36TC, B36TC, G36, 76 57
Maule M-4-180V, M-5-180C, M-5-235C, M-6-180, M-6-235, M-7-235, M-7-235A, M-7-235B, M-7-235C, M-7-260, M-7-260C, M-8-235, MT-7-235, MT-7-260, MX-7-160, MX-7-160C, MX-7-180, MX-7-180A, MX-7-180B, MX-7-180C, MX-7-180 AC, MXT-7-160, MXT-7-180, MXT-7-180A 56
Mooney M20, M20A, M20B, M20C, M20D, M20E, M20F, M20G, M20J, M20K 57
Piper PA-18, PA-18A, PA-18S, PA-18S"125", PA-18A"135", PA-18S"135",PA-18"150", PA-18A"150, PA-20, PA-20S, PA-20"115", PA-20S"115", PA-20"135", PA-20S"135", PA-22, PA-22-108, PA-22-135, PA-22S-135, PA-22-150, PA-22S-150, PA-22-160, PA-22S-160, PA-23, PA-23-160, PA-23-235, PA-23-250, PA-24, PA-24-250, PA-24-260, PA-24-400, PA-28-140, PA-28-150, PA-28-151, PA-28-160, PA-28-161, PA-28-180, PA-28-181 PA-28-201T, PA-28-235, PA-28-236, PA-28R-180, PA-28R-200, PA-28R-201, PA-28R-201T, PA-28RT-201, PA-28RT-201T, PA-30, PA-32-260, PA-32R-260, PA-32-300, PA-32R-300, PA-32-301, PA-32R-301, PA-32-301T, PA-32R-301T, PA-32RT-300, PA-32RT-300T, PA-34-200, PA-34-200T, PA-36-375, PA-39, PA-44-180, PA-44-180T 57
Piper PA-18, PA-22, PA-23, PA-24, PA-25, PA-28, PA-30, PA-32, PA-34, PA-39 18, 57


  • Voltage: 12V
  • Type: Sealed
  • Weight: 28
  • 1 hr (C1) 28
  • 30 min (2C) 45
  • Electrolyte: Not Needed


  • Accessories
  • Customers Also Viewed
  • Frequently Purchased With


Very prompt service. The guy product was well taken packaged and arrived in excellent condition

John B Verified Purchase


October 8, 2021

Pulfer M Verified Purchase


October 6, 2021

Bought this to replace my Gill G-35. Exact replacement according to the manufacturer. Fits perfectly, came charged, and no maintenance worries. Five Stars!

Brian J Verified Purchase


September 11, 2021

Good Battery for the Price

Burt S Verified Purchase


August 25, 2021

After charging, per instructions. Battery placed into plane and no problems starting and fits right in the battery box.

Russ C Verified Purchase


June 16, 2021

Great service and product. Its my second Gill battery purchase for both of my planes. They start on the first click. Highly recommended! Thank you

Mike R
May 17, 2021

Battery delivered on time (next day free shipping, no tax). Sealed battery easy to install. Came fully charged. Included terminal hardware and FAA documentation. Manufacture date listed as 1-month old.

Matthew P
May 10, 2021

Great reliable battery that requires no maintenance.

Art H
April 20, 2021

Ordering the battery was easy and delivery was sooner than I expected. It came fully charged with all the appropriate paperwork. Thank you Aircraft Spruce!

Lance E
December 29, 2020

Great product.

Ron C
December 21, 2020


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: Are the Gill 35 and 35S batteries the same size in width, height, and length? I need to replace a Gill 35 that fits in a very tight battery box. I want a Gill 35S battery, but I need to confirm that it will fit in the installed battery box. Please confirm. Howard

Yes, the G-35 and the G-35S have the same dimensions. You can confirm this by pulling up the drawing on each battery, which is referenced as an additional image. It can be difficult to see as it is white on white, but if you mouse over the image to the right of the primary image, you will see the drawing which you can then enlarge.

Q: Is there a core refund for Gill Batteries?

No, there is no core fee charged at the time of purchase and no core refund after purchase. All batteries are sold as new replacements.

Q: Is the new G-35S sealed battery (7035-28) still non-spillable and considered non-hazardous material for shipping?

Yes, that is correct. It is sealed and considered non-hazardous for shipping purposes.

Q: Is this an AGM or GEL type battery?

Per the manufacturer: All Gill LT sealed batteries are AGM.

Q: What is the cold cranking amps for a Gill 7035-28 battery?

Gill stopped measuring in cold cranking amps as this in an automotive term. They are now using IPP and IPR. IPP is rated at 1,599 amps and IPR is rated at 1,088 amps.

Q: how many amps and how many cold cranking amps does this battery have?

The Gill 7035-28 battery (11-11312) is a 28 amp battery. Cold cranking is an automotive term, aircraft use IPP which is 1,599 amps.

Q: Can the Gill 7035-38 battery be used as a replacement for the G35?

Yes, this can be used as a replacement for a Gill G35 battery.

Q: Can the Gill 7035-28 battery replace the Concorde RG-35AXC in my 1973 Piper Cherokee Challenger? I can validate the dimensions per drawing but I cant see the terminals in drawing if they will match my aircraft like Concord battery

Yes, part # 11-11312 is a direct replacement for a RG-35AXC.

Q: Which battery minder do you recommend with the Gill 7035-28 battery?

You can use P/N# 11-07742 or P/N# 11-09985 for the 7035-28 battery. See Accessories.

Q: Does the Gill LT 7035-28 sealed battery come fully charged?

Yes, this battery ships fully charged.

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