We recommended the Xiaomi Mi robotic vacuums, because of it's 5200mAh Large Capacity Battery.
The detail tips for choosing a vacuum cleaner, you can read this post:
Robot vacuum cleaner buying guideDimensions and Weight | Product weight: 0.2900 kg Package weight: 0.3000 kg Product size (L x W x H): 19.50 x 14.50 x 6.00 cm / 7.68 x 5.71 x 2.36 inches Package size (L x W x H): 20.00 x 15.00 x 7.00 cm / 7.87 x 5.91 x 2.76 inches |
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Package Contents | Package Contents: 3 x Side Brush , 3 x Framed HEPA Filter, 2 x Roller Brush, 1 x blade , 2 x mop cloth, 6 x water tank filters |