A great upgrade for any Hummer! The six-pack design generates its own buzz. But OPTIMA SpiralCell Technology is the real hero. OPTIMA RedTop batteries are built to withstand the abuse trucks, SUV's and 4x4's experience on and off-road while delivering a higher level of power to the starter in the critical first 10 seconds of the vehicle starting cycle. The RedTop features the lowest internal resistance of any battery on the market, which is the key to their unparalleled high power delivery, increased cycle life and fast recharge capability. FITS ALL HUMMERS.
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