Take control of your day with the versatility and performance of Hitway BK8 BK8S 350W City E-Bike Battery Li-ion 36V 8.4Ah 10Ah 10.4Ah 11.2Ah 12Ah 13Ah 15Ah 20Ah 48V for Hitway BK8 BK8S E-bike. Smart, efficient, and built to last — an essential in any collection. Browse and buy online at Keser.pl — trusted products at great prices.