Midstate Battery Optima AGM Starting Battery, 34M
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- Ships from U.S. warehouses. Shipping cost is shown at checkout.
- 30-day returns on new, unused items in original packaging. Return policy
- Not sure it fits? Call (832) 308-3163, Mon–Thu 9–5, Fri 9–2 Central.
- Secure checkout with all major credit cards.
Description
The Optima Group 31 AGM battery is a 12V dual-purpose battery designed to provide both starting and deep cycle capabilities. It is spill-proof and maintenance-free, and it can be mounted in any position.
Features
- Spiralcell Technology offers 15X more vibration resistance and 2X the life of an ordinary wet cell battery
- Can sit unused for up to 12 months (at or below room temperature) when fully charged and still deliver the starting power you need
- Low internal resistance allows for faster recharge
- Spill-proof design prevents external gassing and leaking
- 100% maintenance-free
- Can be mounted in any position
Specifications
- Manufacturer: Optima
- Battery group: 31
- Voltage: 12 V
- Amp hours (AH): 75
- Cranking, 30 seconds: 1125
- Reserve capacity: 155
- Size: 12-13/16 in x 6-9/16 in x 9-3/8 in
- Manufacturer part number: D31M
Specifications
- Brand
- Midstate Battery
- Manufacturer part #
- D31M
- JMS SKU
- JMS131972
- UPC
- 811405001611
- Shipping weight
- 59.8 lb
Shipping
Most orders ship within 1–2 days from U.S. warehouses. You'll see the shipping cost and choose a method at checkout.
Returns
Return new, unused items in original packaging within 30 days. Defective items after 30 days follow the manufacturer's warranty. Return policy
Questions
Call (832) 308-3163 or send us a message. Have your boat's make, model and year handy.







