Battery for electric bicycles

Here you will find batteries for electric bicycles of different brands and with different electrical systems. We sell batteries for electric bikes with Promovec, Yamaha and Shimano electric systems. All bike brands that have the mentioned system can have the battery.
We have batteries for center motor system and wheel motor. Batteries that are in the package holder but also those that are integrated in the frame bracket.
Which electrical system do you have on your electric bicycle, you can double-check yourself, usually on the display there is a logo or on the engine.