Vertex/Standard (Battery Zone) FT11R/41R/51R Series, Nicad Quantity in Basket: None Code: BZ36235 Price: $50.00 Shipping Weight: 3.00 pounds Quantity: Battery Zone BZ36235 7.5 Volt, 700 Mah Nicad Battery for Vertex/Standard FT11R/41R/51R Series Models.