AJC- Fortress Crusader 12V 55Ah Wheelchair BatteryFeatures:AJC- Brand replacement compatible with a Fortress Crusader Wheelchair BatteryVoltage: 12 (12 Volts) Capacity: 55AhTerminals: NBChemistry: Sealed Lead Acid (AGM) AJC- Brand Replacement BatteriesLength: 9 inches Width: 5.41 inches Height: 8.2 inchesIMPORTANT: 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. Disclaimer: Our products are not affiliated with or authorized by Fortress.Product Specifications BRANDAJC- Battery VOLTAGE12 LENGTH INCHES9 MANUFACTURERS LIMITED WARRANTY YEARS1 Year PACKAGE QUANTITY1 TYPESealed Lead Acid (AGM) (VRLA) MANUFACTURERS PART NUMBERCrusader WIDTH INCHES5.4 TERMINALSNB AMPS55 FOR USE WITHFortress HEIGHT INCHES8.2