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Black power bank, charging cable and mesh travel pouch photographed on wood
Slate 10K

The slimmest 30W bank we've ever bui…

Slim black portable power bank held in a hand outdoors
Slate 20K

65W for phone, tablet and a 13-inch …

High-output power bank with a digital display beside a laptop
Brick 27K

140W. 99.9 Wh. Cabin-legal to the de…

Price $49 $89 $149
Capacity 10,000 mAh 20,000 mAh 27,650 mAh
Energy 37 Wh 74 Wh 99.9 Wh
Max output 30W 65W 140W
Ports 2× USB-C 2× USB-C · 1× USB-A 2× USB-C · 1× USB-A
Input 30W USB-C PD 65W USB-C PD 100W USB-C PD
Cells / chipset Silicon-carbon Li-ion Silicon-carbon Li-ion Li-ion, 6-cell pack
Weight 198 g 389 g 598 g
Dimensions 104 × 62 × 14 mm 139 × 68 × 21 mm 155 × 74 × 28 mm
Rating 4.8 / 5 4.9 / 5 4.8 / 5
Warranty 5 years 5 years 5 years