The battery warranty for the TVS Jupiter 125 varies depending on the type of battery. For the Maintenance Free type battery, the warranty is applicable for 21 months from the date of charging or 18 months from the date of sale or 20,000 km, whichever is earlier. For the Lead Acid Type battery, the warranty is applicable for 15 months from the date of charging or 12 months from the date of sale or 10,000 km, whichever is earlier.