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OPTIMA BLUE TOP batteries
OPTIMA Blue Top batteries are OPTIMA's marine AGM SpiralCell variant, with a dual marine terminal and a white case. 38-75 Ah, CCA 730-900 A, across the BT R 3.7, BT S 4.2, BT D34M and BT D31M models. Same technology as the Yellow Top, with marine hardware and an added auxiliary terminal.
Built for boats and leisure craft that need a reliable engine start and, on the higher-capacity models, enough power for onboard auxiliary loads (electronics, lights, fridge).
