Supercharge your iScooter rides with the 10Ah Battery Replacement, designed for i9max and S9max models. Experience extended journey durations and consistent power, enhancing your electric scooter adventures to the fullest. Brand new scooter battery. Battery capacity 10Ah. Compatible with iScooter i9max/S9max. if your scooter drains fast, or the battery was damaged and can't be charged, or the scooter is always on low battery and can't be full-charged, you can get this new battery for your scooter.