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 guideGeneral | Cleaner Types: Portable Vacuum |
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Dimensions and Weight | Product weight: 0.1920 kg Package weight: 0.2710 kg Product size (L x W x H): 19.60 x 13.70 x 6.00 cm / 7.72 x 5.39 x 2.36 inches Package size (L x W x H): 15.00 x 15.00 x 6.60 cm / 5.91 x 5.91 x 2.6 inches |
Package Contents | Package Contents: 1 x Vacuum Cleaner, 1 x Flat Mouth, 1 x Brush Head, 1 x USB Cable, 1 x English User Manual |