PS-610 6 Volt 1 AmpH SLA Replacement Battery with F1 Terminal Replacement Battery for WP1-6, UB610 (40561), PS-610, NP1-6, LP6-1.0 and DJW6-1.0. Mfr Part Number: SP6-1 (6 Volt 1 AmpH) Sealed Lead Acid Battery Item Package Quantity: 1 Guaranteed compatibility with OEM battery