This 6V ULTRAMAX battery has a capacity of 4.5Ah and uses AGM technology. Ultramax NP4.5-6, 6v 4.5Ah Sealed Lead Acid - AGM - VRLA Battery. 6v 4.5ah (as 4ah, 4.2ah & 5ah). Absolute security from electrolyte leakage, Oxygen Recombining.
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