Don't let a bad battery keep you off the water, grab yourself a Century Marine Battery and get back out there. Built for tough New Zealand conditions, with a 24 month warranty and maintenance free design you can start the boat up with the confidence that you're in good hands. This is a dedicated cranking battery that you can rely on in a pinch.
The Century M57 MF is suitable for engines up to 70HP with limited electronics on-board. With 530CCA and 52AH of power, this unit is ready for a wide variety of applications.