The AGM Series range features a Deep Cycle VRLA battery which has been specifically designed with a high reserve capacity, long cycle life and low internal resistance, all working together to bring you a superior performance. Using more lead, heavier plates and other proprietary materials, the AGM Series are able to deliver more power and capacity over a longer life cycle, storing reserve . As most modern cars have an anti-lock braking system, the AGM Series is perfectly adapted to accommodate this system as its ABS Case and Cover is shock and vibration resistant, ensuring a smooth journey for you and your passengers. This range of Rolls batteries is perfect for those looking for a sealed, non-hazardous, maintenance free, reliable battery.