SF Sonic Technology :

Standard Furukawa (SF) Sonic brand of automotive batteries are manufactured with the technical collaboration of Furukawa Batteries (FB), Japan.
Range of SF Sonic batteries - SF Sonic range of batteries employ flooded technology and are made in different versions for varying needs

SF Supersonic - Gives more power and performance. Incorporates FB C21 alloy technology with superior starting power and totally maintenance free characteristics (fit and forget concept). It has pocket separators and glass mat for superior protection against shorts

SF Sonic Jet -- With hybrid alloy. It is designed for the modern car offering longer life and greater reliability

SF Sonic Turbo - For more power and performance with hybrid technology and double separation for longer life

SF Sonic Powerbox - Made for inverter applications. It employs hybrid technology and has extra thick plates for long life. These batteries have deep cycling characteristics and special additives to promote quick recharge cycle. The grids also have a special geometry for high performance operation