Gill LT 7035-28 Sealed Battery

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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
California Prop 65 Warning Symbol

WARNING: The product may contain and/or expose you to a chemical(s) or substance(s) which are known to the State of California to cause cancer and/or birth defects or other reproductive harm.

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
  • Frequently Purchased With
  • Customers Also Viewed


Very quick and safe shipping. battery service life not so much.

Rodney P Verified Purchase


January 26, 2023

Very good product so far.

Jerry L Verified Purchase


January 1, 2023

Works for me. Much better than the original unsealed version.

Douglas F Verified Purchase


November 11, 2022

The battery arrived in a timely manner. It has performed as expected. The negative. Is the absence of a CCA rating. Had that particular bit of information been available, my decision to buy would have been easier.

Michael W Verified Purchase


November 9, 2022

Only G-35 they had in stock. Should be a good battery but pricey.

Barry G Verified Purchase


November 8, 2022

Great battery. So nice to not worry since it is maintenance free.

Scott G Verified Purchase


October 25, 2022

Excellent product

Tom N Verified Purchase


October 25, 2022

David E Verified Purchase


July 8, 2022

Easy, no problem order with fast shipment. thanks

Donald M Verified Purchase


June 25, 2022

Both my aircraft have Gill sealed batteries. 5 star.

Doug T Verified Purchase


April 21, 2022


Please note, Pilotshop'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. Pilotshop 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.