As for how to choose the correct accessory for your model, please follow the below steps.

1. Please check the model of your RoboVac on the bottom of the machine.

2. Choose the correct charging base for your RoboVac model.
 

For X8 and X8 Hybrid: click here.

For L70 Hybrid: click here. 

RoboVac 11S,11S PLUS,11S MAX,12,15C,15C MAX,15T,25C,30,30C, 30C MAX,G10 Hybrid,G30,G30 Edge, G30 Verge, G30 Hybrid, G32 Pro, G20, G20 Hybrid, G35+, G40, G40 Hybrid, G40+, G40 Hybrid+ click here. 

RoboVac 11,11C, click here. 

RoboVac 11 PLUS and RoboVac 11C PET, click here .