Editor's pick 65W
Slim black portable power bank held in a hand outdoors
Graphite

Photo reference. Explore finish options in Live 3D.

Slate 20K

65W for phone, tablet and a 13-inch laptop.

Twice the capacity, the same obsession with thinness. Slate 20K delivers 65W from a single USB-C port, enough to charge an ultrabook at full speed, with a smart display and a pass-through mode for airport sockets.

$89

or 4 interest-free payments of $22.25 with Klarna

Finish · Graphite

1
  • Free shipping On orders over $75
  • 30-day returns No questions asked
  • 5-year warranty On every product

Capacity

20,000 mAh

Max output

65 W

Weight

389 g

65W laptop charging

MacBook Air from 0 to 50% in 38 minutes.

Pass-through

Charge the bank and your devices at the same time.

Airline friendly

74 Wh is well below the 100 Wh cabin limit.

Phone

4.5 ×

iPhone 17

Camera

3.9 ×

Mirrorless

Tablet

1.7 ×

iPad Air 13″

Handheld

1.3 ×

Steam Deck OLED

Laptop

0.9 ×

MacBook Pro 14″

Drone

0.6 ×

Mini 4 Pro ×3

Tech specs

Capacity
20,000 mAh
Energy
74 Wh
Max output
65W
Ports
2× USB-C · 1× USB-A
Input
65W USB-C PD
Cells / chipset
Silicon-carbon Li-ion
Weight
389 g
Dimensions
139 × 68 × 21 mm
Finishes
Graphite, Ceramic, Lilac Haze, Volt Lime
Certifications
UL 2056 · FCC · CE · RoHS
Warranty
5 years

In the box

  • 1 Slate 20K
  • 2 60 cm braided USB-C cable
  • 3 Travel pouch
  • 4 Quick-start card
Slim black portable power bank held in a hand outdoors

Reviews

4.9

1,642 ratings

5
72%
4
19%
3
6%
2
2%
1
1%