This includes a Neptune 12V-9AH-F2 battery. Size: 5.942.563.94. Our 12V-9AH-F2 Sealed Lead Acid rechargeable batteries meet or exceed the OEM SLA battery specifications. We supply only brand new, factory fresh, high-quality batteries. We guarantee the best price and 100% compatibility with your 12V-9AH-F2 Sealed Lead Acid battery model. The replacement SLA batteries also include one year warranty. All replacement batteries are UL listed as well.