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Chairman AGM-1285T

  • Chariman AGM Deep Cycle batteries are designed with high density plate technology which provides superior power and life.
  • Sealed and maintenance free design also means no spilling, watering and the option to operate upright, on it's side or on it's end.
  • Engineered with Absorbent Glass Mat technology developed by Concorde Battery Corporation and adopted by the U.S. Military.
  • PolyGuard™ protection is a microporous polyethylene separator used around the positive plate & AGM to prevent shorting from shock and vibration.
  • High Impact Strength Polypropylene Case and Cover prevents bulging.
  • Flame Arresting Pressure Regulated Safety Valves.
  • UL Recognized Systems Component.
  • Low Self Discharge Rate Approximately 1 % per month at 25° C (77° F).
  • Operational over a Wide Range of Temperatures, -40° C (-40° F) to +72° C (+160° F).
  • Classified as "Non-Spillable Battery" (HAZMAT Exempt) for Transport. Complies with DOT HMR49 Non-Hazardous Materials.

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Click here to download Owners Manual PDF.

All Chairman batteries are proudly made in the USA.


Length in. (mm)

12.9" (327.8mm)

Width in. (mm)

6.75" (171.3mm)

Height in. (mm)

8.96" (227.6mm)

Weight lbs (kg)

62 lbs (28.2 kg)

Nominal Ampere Hour Capacity

85Ah @ 77°F (25°C)

All Chairman batteries are covered by a 6 month prorated warrantee.


The warranty period starts at the time of purchase and applies to the original purchaser of the battery and is non-transferable. If the original receipt is lost, the warranty will be based on the battery date code. The pro-rated price will be based on the customers original purchase price. If the receipt is lost the pro-rated price will be the average current retail price.


The limited warranty covers defects in material, workmanship and failure, except where such failure is due to abuse, neglect or breakage. The limited warranty does not cover discharged batteries, batteries that have been opened, frozen, sulfated batteries due to undercharging, diminishing capacity due to battery age, split open battery cases, transportation, rental, testing, housing, freight or installation costs.

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