Crown MAR-500 12V SLI Battery


Out of stock

The Crown MAR-500 12V SLI Battery by Crown Batteries is an industry leading SLI Battery with multiple terminal options to fit your application.

Due to a supply chain disruption at the manufacturing level affecting all 12V lead acid battery production, this product is temporarily unavailable. Please signup for our newsletter below to receive a notification when is available for purchase as we work hard to bring this battery back in stock.

$88.12 $103.93

Out of stock


Get reliable performance with the Crown MAR-500 SLI battery

The Crown MAR-500 SLI battery is engineered with SolidCast centerline lug plate design and LifePlus paste for superior performance and a longer life. The MAR-500 comes with several terminal options, including a CleanFit maintenance free cover design, a standard terminal, a handle for ease of installation, or calcium alloy construction for maintenance free service.

The battery cover’s manifold vent makes routine battery inspection simple. The terminals are designed to resist corrosion, and PosiWrap separators reduce maintenance and prevent short-circuiting and plate shedding. The Crown MAR-500 is designed for convenient installation, reliable performance, and longer battery life for marine applications.

Advantage Batteries is proud to offer a great price on all Crown MAR-500 12V SLI batteries in stock. Crown batteries are designed, engineered and manufactured in the USA and feature a globally proven performance. SLI (Starter, Lights, Ignition) batteries are mainly for automotive, light truck, EVs, marine and golf car applications.

Crown Batteries, the Power Behind Performance. Designed with advanced plate and internal construction to be the finest engineered batteries you’ll find.

SKU: MAR-500 Category: Tag:
Weight 45.5 lbs
Dimensions 10.19 × 6.81 × 9.5 in




Terminal Options


CCA Rating


Reserve Capacity (Minutes)

65 / 25A

BCI Group Size


Ah Rating (@100 Hr)


Ah Rating (@20Hr)



Marine / RV

Terminal Options Guide

Option Code Description A.K.A.
1 Embedded Low Profile Type M
2 Embedded High Profile
3 Embedded Automotive Post
4 Embedded Universal/Reverse Type J
5 L-Terminal
6 Automotive Post & Stud/Standard Standard
7 Universal
8 Automotive SAE Type A
9 Wingnut
10 Dual Wingnut
11 Stud/Commercial SS Type Commercial SS Type
12 Cable & Plug
13 M8-1.25 Threaded Hole
14 Industrial
15 6mm/8mm Insert Insert
16 Small L-Terminal
17 5/16″-18 Stud & 1/4″-20 Threaded Hole
18 M6-1.0 Threaded Hole
19 Type B1/B2
20 BUS

Advantage Batteries | Terminal Options

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