Bestseller 30W
Black power bank, charging cable and mesh travel pouch photographed on wood
Graphite

Photo reference. Explore finish options in Live 3D.

Slate 10K

The slimmest 30W bank we've ever built.

Slate 10K is 14 mm of aerospace-grade aluminium and 10,000 mAh of silicon-carbon cells. It slides into a back pocket, tops up a phone twice, and charges at 30W in both directions.

$49 $59 Save $10

or 4 interest-free payments of $12.25 with Klarna

Finish · Graphite

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

Capacity

10,000 mAh

Max output

30 W

Weight

198 g

14 mm thin

Thinner than a stack of four credit cards. Disappears in a jeans pocket.

Two ports, 30W

Fast-charge a phone and earbuds together without throttling.

Live OLED readout

Percentage, wattage and time remaining at a glance.

Phone

2.2 ×

iPhone 17

Camera

2.0 ×

Mirrorless

Tablet

0.9 ×

iPad Air 13″

Handheld

0.6 ×

Steam Deck OLED

Laptop

0.4 ×

MacBook Pro 14″

Drone

0.3 ×

Mini 4 Pro ×3

Tech specs

Capacity
10,000 mAh
Energy
37 Wh
Max output
30W
Ports
2× USB-C
Input
30W USB-C PD
Cells / chipset
Silicon-carbon Li-ion
Weight
198 g
Dimensions
104 × 62 × 14 mm
Finishes
Graphite, Volt Lime, Glacier Mint, Peach Fuzz
Certifications
UL 2056 · FCC · CE · RoHS
Warranty
5 years

In the box

  • 1 Slate 10K
  • 2 30 cm braided USB-C cable
  • 3 Travel pouch
  • 4 Quick-start card
Black power bank, charging cable and mesh travel pouch photographed on wood

Reviews

4.8

2,184 ratings

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