Optima Blue Top. Reviews 0 the bluetop is a high performance agm battery with exceptional running time and more recharges than youd get out of a traditional battery. Battery charger constant voltage.
The bluetop d34m is a high performance agm battery. Deep cycle engine start. Its patented spiralcell technology means more running time shorter recharge time and twice the life of traditional marine batteries.
Bt sli 4 2 battery read more.
The optima bluetop battery delivers the power you can rely on. And its specifically built to handle the demanding challenges of marine applications. 7 rows optima blue top bt sli4212v 50ah 815 cca en engine start battery. Optimas blue top batteries are extremely high quality marine batteries that are maintenance free spill proof highly robust and can be mounted in any position.