Shimano Steps Ride + E6000 Séries Mode D'emploi page 15

< SM-BCE60 >
1.
Attach the charger plug to the charger connector of the
battery.
Insert it with the groove side of the connector facing
up.
* You cannot insert it with the groove side facing
down.
* Charge the batteries on a flat surface indoors.
< BT-E6000 >
Charger connector
Groove
< BT-E6010 >
Groove
10
Battery
Backside (no groove)
Charger connector