Model Description: Black and Decker 90508011 12V 18Ah (NB) Replacement Battery Set of 2 Compatibility: YT-12200, LC-RC1217P/AP, 6FMH18, BP17-12, HR1290W, RT12200, SWE12200 Condition: Brand new, fresh stock Includes: (2) Battery - 12V 18Ah NB Warranty: 1 year full replacement warranty included Lifetime expectancy: 3-5 years Manufacturer: UPS Battery Center Ltd The Black and Decker 90508011 replacement battery set is made using high quality rechargeable sealed lead acid batteries that are manufactured to provide excellent performance and long service life. This battery set meets or exceeds the original manufacturer's specifications. This battery set is maintenance free, non-spillable valve regulated sealed lead acid batteries. Our batteries are new and always fresh stock. The Black and Decker 90508011 replacement battery set is covered by our industry leading 1 year replacement warranty. Physical Dimensions: Nominal Voltage: 12V Nominal Capacity: 18Ah Terminal Type: NB Weight: 12.65 Lbs Length: 7.13" (181 mm) Width: 3" (76 mm) Height: 6.59" (167 mm)