U1 Battery Upgrade for Berkley BTX45 Vmaxtanks V35-857 12V 35AH Deep Cycle

12 Volt 35Ah AGM Group U1 battery Maintenance Free Operation: There is no need to check specific gravity of the electrolyte or add water to VMAXTANKS VMAX batteries are sealed and can be mounted in any position Rechargeable Sealed battery resists shocks and vibration. High performance AGM technology for long lasting reliable power Warranty: 1 Year replacement; 30 day satisfaction guarantee TOUGH BATTERIES FOR TOUGH APPLICATIONS