The XS Power D4700 . D4800 . and D4900 are direct fit . OEM replacements for most European models. XS Power added these three models to the D Series lineup for starting and secondary power demands. By adding these three popular battery sizes to our line . XS Power has greatly expanded their direct replacement options to include many of today’s most popular customized vehicles. The D4700 . D4800 . and D4900 are direct fit replacement batteries for many Aston Martin . Audi . BMW . Mercedes-Bens . GM . Jaguar . and other model vehicles. The D4700 is a BCI Group 47 battery commonly referred to as the L2 . which is a small size battery that fits many small sedans. It’s capable of 2 .900 Max Amps . and BCI rated at 745 CA. The D4800 is a BCI Group 48 battery known as the L3 . which is common for mid-size sedans and SUV’s. It is designed to produce over 3 .000 Max Amps and is BCI rated at 815 CA. The D4900 is a BCI Group 49 battery referred to as the L5 that is direct fit for many larger luxury sedans and SUV’s with excessive electronic systems. This battery is capable of 4 .000 Max Amps and is BCI rated at 1075 CA.