The 48 V Pendix ePower300 battery) has a capacity of 330 Wh and works on the basis of modern lithium-ion technology. 

The battery is mounted with a metal holder directly on the bike frame. It can be easily removed from the bike and fully recharged in 5,5 hours with the supplied 60 W charger. 

While driving, the battery shows you the current charge level through the color changing LED ring.

The battery has a USB interface for charging external devices such as your mobile phone.