12v 4.5ah (as 4ah, 4.2ah & 5ah). ULTRAMAX NP4.5-12, 12V 4.5Ah Sealed Lead Acid - AGM - VRLA Battery. ULTRAMAX NP4.5-12, 12V 4.5AH. Low pressure relief valve. Absolute security from electrolyte leakage, Oxygen Recombining.
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