Optima (Group D31M)  Blue Top (Deep Cycle & Starting) 8052-161
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Optima (Group D31M)  Blue Top (Deep Cycle & Starting) 8052-161
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Stock# -- 8052-161

Model # -- D31M

UPC -- 811405001611

Terminal -- SAE / BCI automotive and 5/16”-18UNC-2A threaded stainless steel stud. ( Top Post, Top Stud)

Nom Volt -- 12V

Capacity -- 75 AH
20hr. rate

length width Height
12.19 X 9.38 X 6.56 (in)

weight -- 59.8
(lbs.+/-5%)

Warranty -- 24 Month

Chemistry -- SpiralCell / AGM / Sealed Lead Acid

Polarity -- ( + ///// - )

Optima group 31 batteries are our most powerful and have the largest energy storage capacity. Usually they can be mounted anywhere a (slightly shorter) group 27 would be used.

Ultra high-performance Spiralcell AGM dual-purpose battery for marine and RV. 3x the cycling capability (rechargeability) with ultimate cranking power in a maintenance-free package. Perfect for multiple high-demand accessories with 15x the vibration resistance and lighter weight Lower internal resistance provides more efficient power output and faster recharges.

The Optima model number for this battery is D31M. If you are replacing an Optima battery you already have, this model is the same as batteries marked 8052-161, 9052-161, 27931, D31M-1125, BLUED31M, 27551, SC31DM, or N99D31MBLUE.

Model: D31M
These batteries are designed for starting and deep cycle applications and for use in vehicles with large accessory loads.

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