This is an AJC Brand Replacement for a Sunnyway SW650(II) 6V 5Ah Sealed Lead Acid Battery Voltage: 6V (6 Volts) Capacity: 5Ah Terminals: F1 Battery is compatible with these Brands: Sunnyway. 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 Sunnyway.