This video tests a 12ah 72v range extender for the Surron X, combined with a 72v 32ah battery for a total capacity of 44ah. The test ride covers 6.7 miles in 90 minutes, using 80% of the battery at a ...

This video tests a 12ah 72v range extender for the Surron X, alongside a 72v 32ah battery, totaling 44ah. The test covered a distance of 6.7 miles in 90 minutes, using 80% of the battery at a ...