Like all other Shimano STePS parts, their batteries are compatible with all motor, shifter and display units so that the over-all system can be perfectly tailored to the budget and the intended use. New for 2020 is the internal battery which will join the two existing semi-integrated batteries. All are removable for easy transportation and remote charging.
BT-E8035
Powerful internal lithium-ion battery that offers 504 Wh, charges from zero to 100% in 5 hours via the EC-E6000 charger and retains at least 60% of its original battery capacity after 1,000 charging cycles. The aluminium cased battery is extremely compact allowing us to seamlessly integrate into the downtube. The waterproof design is impact and vibration resistant.
BT-E8010
Powerful lithium-ion battery that offers 504 Wh, charging from zero to 100% in 5 hours via the EC-E6000 charger. The compact design allows ample space for the rear shock and plenty of top tube clearance. Its waterproof and impact and vibration resistant. A small LED display shows the charge level.
BT-E8014
Compact lithium-ion down tube battery pack offering 418 Wh and an approximate charging time of 4 hours via the EC-E6000 charger. The unit can be charged for 1,000 charge cycles without significant power loss. A small LED display shows the charge level.