31M-AGM, Palm, 825cca 200rc, AGM Marine Battery, Group 31

The 31M-AGM from Palm is a high-performance AGM (Absorbent Glass Mat) marine battery, belonging to Group 31. With an impressive 825 cold cranking amps (CCA) and 200 reserve capacity (RC), it’s engineered for reliability and power in marine applications.

Key Features:

  • Engine Cranking and Reserve Power: Designed to provide both efficient engine starting and reliable reserve power in marine settings.
  • Maintenance-Free: This AGM battery requires no regular maintenance, eliminating the need to check electrolyte levels.
  • Calcium Alloy Construction: The use of calcium alloys significantly reduces electrolyte loss, enhancing the battery’s lifespan and performance.
  • Battery Life Maximization: To extend the battery’s life, it’s recommended to use a battery maintainer or disconnect the negative terminal during extended periods of non-use.

Ideal For: This battery is an excellent choice for marine enthusiasts who require a dependable, high-CCA battery for engine cranking, as well as sustained power for onboard accessories.

Why Choose the 31M-AGM, Palm Battery? Opting for the 31M-AGM ensures a combination of robust starting power, maintenance-free convenience, and prolonged battery life, backed by Palm’s reputation for quality and innovation in battery technology.

The Palm 31M-AGM battery represents a perfect blend of performance, durability, and ease of use, making it a top choice for marine applications where reliability is paramount.

Returns And Warranty

Returns And Warranty Click here.

Price Disclaimer- This Price is good for current inventory, and may change when additional inventory is received.

12 Month $274.00 With Core Exchange2 in stock, Naples Warehouse

Without Core Exchange Add An Additional Refundable Core Deposit of : $20

A "Core" is an old Battery of similar weight.

Trading in an old battery reduces your purchase cost because it can be recycled.


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SKU: 800_31M-AGM Categories: , Tags: , ,

Additional information

Weight 64 lbs
Length 13in
Width 6.81in
Height 9.43in

Manufacturer Code


Part Number

Minutes @ 25 Amps



Group Size

20 Amp-Hour Rate



The Palm 31M-AGM is a Group 31 AGM marine battery, notable for its high performance, with 825 cold cranking amps (CCA) and 200 reserve capacity (RC). It’s designed to provide both efficient engine starting and reliable reserve power for marine environments.

Key features include its maintenance-free AGM design, calcium alloy construction for reduced electrolyte loss, and recommendations for maximizing battery life through the use of a battery maintainer or disconnecting the negative terminal when not in use. Ideal for marine enthusiasts, the 31M-AGM is perfect for those who need a dependable, high-CCA battery for their marine vehicles. Choosing the 31M-AGM means investing in a battery that offers power, durability, and convenience, making it a superior choice for demanding marine applications.

Product Reference Numbers:

Palm: 31M AGM, 31M-AGM, 31MAGM

East Penn: 8A31DTM