12V Alternator Kit for Sprinters

If you are building a van with a large lithium battery bank, a second alternator is KEY to realizing the full capabilities of that bank. Imagine having an electric car with a 1000 mile range when it is charged, but charging it takes 2 days of being plugged in? That is what it is like when you have a large lithium bank without a second alternator. A second alternator will help you realize the full capacity of your battery bank.  Each kit features a Balmar brand 250XT alternator. Each alternator is equipped with a custom Litens pulley that is unique to RoamRig kits and not available on ANY other alternator from any manufacturer. This pulley ensures that the belt drive will remain stable and quiet across all operating conditions, and also that you will have a long life of the entire belt drive. It is critical for all Sprinter alternators to use a Litens brand OAD pulley, and NOT any other style of clutch pulley or you risk having belt drive stability issues that cause noise, may damage co