Free Battery Testing
Optima Blue Top D31M with dual terminals, AGM, SPIRALCELL® technology. The perfect starting/house battery for your boat or second battery in your 4wd. Click here for specification.
Does not qualify for free fitting.
- Deep cycling and cranking power all packed into one battery.
- Lasts up to 2 times longer than traditional flat-plate batteries.
- Constant performance quality, which keeps your battery running at the same level even as it's being discharged.
- More power in the initial 1, 3, 5, and 10 seconds of the starting process than comparably rated conventional lead-acid batteries.
- Ideal for seasonal use, fully charged it can sit unused for up to 12 months at room temperature (or below) and still start a vehicle.
- 15 times more resistant to vibration than traditional lead-acid batteries.
- Mountable in almost any position.
- Also suitable for car and 4wd applications.