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. 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 lbs.; Regular Charge Current: 0.3 (Ah); Length: 4-1/2 inch (114mm); Width: 1-9/16 inch (39mm); Height: 3-7/16 inch (86.5mm). Replaces Yuasa Battery Part Number: YT4B-BS.