The controller box is the computer that operates the cargo bike and is located underneath the baggage carrier. This is where you place the battery. You can see the battery type you have on the underside of the battery. If you have a QWIC battery, then you need this controller box.


Brand battery QWIC
Model battery BOSSA BLC/BYD
Charging in cargo bike possible No
Removable battery No


Weight (kg) 0.8
Suitable for cargo bike variant Big-E, Dog-E, Pro Trike-E
Brand Qwic
QWIC controllerbox Bossa
QWIC controllerbox Bossa
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