This is an AJC Brand Replacement for a Tripp Lite SMART 550 USB 12V 8Ah UPS Battery Voltage: 12V (12 Volts) Capacity: 8Ah Terminals: F2 Battery is compatible with these Brands: Tripp Lite. IMPORTANT: You MUST RE-USE: your existing cabling and hardware. These are replacement batteries only. NOTE: It is your responsibility to verify the batteries being ordered match the batteries in your unit prior to placing your order. We are not responsible for incorrect orders. Chemistry: Sealed Lead Acid (AGM). DISCLAIMER: Our products are not affiliated with, authorized by, created or sold by Tripp Lite.