Power-Sonic (PTX4B-BS) Sealed Maintenance Free Powersport Battery Replaces Yuasa Battery Part Number: YT4B-BS Specifications: Voltage: 12V; Capacity at 10HR: 2.3 (Ah); Cold Cranking Amps: 30 at 0 Degree Fahrenheit (-18 Degree Celsius); Approximately Weight without Acid: 2.1 pounds High quality, yet competitively priced Power Sonic Super Sport Series batteries are built with confidence by our ISO:9001 and ISO:14001 certified factory The Power-Sonic Super Sport Series battery is one of the best choices available on the market today Battery supplied Dry with Acid bottle, once filled and capped, they become a completely sealed unit, spill proof eliminating damage from battery acid and requiring a lot less maintenance