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Head to head · Prices checked Nov 10, 2026

GravaStar Mercury K1 vs LUMINKEY V2

Get the GravaStar Mercury K1 for the 8,000 mAh battery. Get the LUMINKEY V2 for knob.

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What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

GravaStar Mercury K1

LUMINKEY V2

  • Battery

    8,000 mAh

    4,400 mAh

    A larger battery means fewer cables during the day

  • Mount style

    Gasket Mount

    Gasket Mount, Plate Mount

  • Knob

    No

    Yes

  • Weight

    1,080 g

    1,950 g

    Heavier boards stay planted and lighter ones travel

  • Plate material

    POM

    Polycarbonate

KeebFinder scores

How we score
  • GravaStar Mercury K1
  • LUMINKEY V2
Performance
66
68
Build quality
67
80
Productivity
67
82
Customizability
64
79
Portability
92
82

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: Aluminum
  • Switch options: Linear
See every spec side by side

Full specs

GravaStar Mercury K1 vs LUMINKEY V2 specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

9 of 23 specs differ

GravaStar Mercury K1

LUMINKEY V2

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount, Plate Mount

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

8,000 mAhBetter
4,400 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

POM
Polycarbonate

Keycaps

—
PBT

Weight

1,080 g
1,950 g

Dimensions

46 x 343 x 156 mm
20 x 332 x 142 mm

Typing angle

—
7°

Backlight

RGB
None

Firmware & software

VIAL

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2024

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

LUMINKEY V23 stores

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