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Head to head · Prices checked Nov 7, 2026

GravaStar Mercury K1 vs Yunzii AL80Customization vs Portability

Choose the Yunzii AL80 for deep software customization and a feature-rich layout, or the GravaStar Mercury K1 for superior battery life and a more portable design.

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Quick verdict

Which one should you get?

Get the

GravaStar Mercury K1

Customization

Build quality in the top 50% of 75% boards under $150.

If you want

  • Larger 8000mAh battery capacity for extended wireless use.
  • Lighter weight of 1080g enhances portability.
  • Features a unique 'three-sided streamer' RGB effect according to the vendor.

Get the

Yunzii AL80

Portability

Build quality in the top 20% of 75% boards under $150.

If you want

  • Full QMK and VIA firmware support for deep customization.
  • Includes a customizable LCD screen and a programmable metal knob.
  • Features south-facing RGB LEDs and PBT double-shot keycaps.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

Bottom line

Your priority should guide this choice. For a keyboard that is a platform for customization, from its firmware to its physical knobs and screen, the Yunzii AL80 is the more capable and feature-dense option. If your main needs are long battery life, a lighter build for mobility, and a straightforward typing experience with flashy RGB, the GravaStar Mercury K1 is the suitable pick. Consider the AL80's lower price point for its extensive feature set.

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

Yunzii AL80

  • Battery

    8,000 mAh

    6,000 mAh

    A larger battery means fewer cables during the day

  • Knob

    No

    Yes

  • Display

    None

    LCD

    A case display rather than a typing feature

  • Weight

    1,080 g

    1,438.5 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    No

    Yes

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • GravaStar Mercury K1
  • Yunzii AL80
Performance
66
70
Build quality
67
79
Productivity
67
93
Customizability
64
91
Portability
92
92

What they share

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

Best for

What will you mostly use it for?

The Yunzii AL80 wins in most categories due to its extensive software support and extra features like the LCD screen and knob. It is the clear choice for programmers, modders, and office users who value customization and utility. The GravaStar Mercury K1 takes the lead specifically for travel, thanks to its lighter weight and larger battery, making it the more portable option despite both being wireless 75% keyboards.

For gaming

Pick the Yunzii AL80

  • The Yunzii AL80 lists a 1000 Hz polling rate for its wireless connection, which the Mercury K1's specifications do not mention.
  • It features N-key rollover (NKRO) as a listed extra feature.
  • South-facing RGB LEDs are specified, which can improve compatibility with certain keycap profiles.

Full specs

GravaStar Mercury K1 vs Yunzii AL80 specs

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

11 of 24 specs differ

GravaStar Mercury K1

Yunzii AL80

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
LCD

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

8,000 mAhBetter
6,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

POM
—

Keycaps

—
PBT

Weight

1,080 g
1,438.5 g

Dimensions

46 x 343 x 156 mm
41 x 138 x 314 mm

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2025

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.

Yunzii AL803 stores

FAQ

GravaStar Mercury K1 vs Yunzii AL80: your questions

The GravaStar Mercury K1 has a larger 8000mAh battery, while the Yunzii AL80 has a 6000mAh battery. Based on capacity alone, the K1 should offer longer use between charges, though actual runtime depends on usage patterns like RGB brightness and connection mode.

Yes. The Yunzii AL80 supports QMK and VIA firmware, which allows for full key remapping, macro programming, and layer customization. The vendor states you can program every key, including the metal mechanical knob.

No. The provided specifications and vendor description for the GravaStar Mercury K1 do not mention QMK, VIA, or similar advanced firmware customization support. Its software capabilities appear more limited compared to the AL80.

The Yunzii AL80 product listing specifies a 1000 Hz polling rate for lag-free performance. The GravaStar Mercury K1's specifications do not list a polling rate.

The Yunzii AL80 is notably heavier at 1438.5 grams (3.17 lbs). The GravaStar Mercury K1 weighs 1080 grams, making it over 350 grams lighter and more portable.

Yes. Both the GravaStar Mercury K1 and Yunzii AL80 are listed as hot-swappable. Their vendor descriptions confirm compatibility with 3-pin and 5-pin mechanical switches.

The Yunzii AL80 uses double-shot PBT keycaps in a Cherry profile. The GravaStar Mercury K1's keycap material is not specified in the provided metadata.

Yes. The Yunzii AL80 features a customizable LCD screen that can display time, GIFs, photos, battery status, and connection mode. The GravaStar Mercury K1 does not have a screen.

The Yunzii AL80 vendor description states it comes with pre-lubed linear switches. There is no mention of factory lubrication for the GravaStar Mercury K1's Kailh switches in the provided information.

The Yunzii AL80 lists 'sound dampening' as an extra feature and its description mentions multiple layers of sound-absorbing material. This could make it quieter than the GravaStar K1, which does not highlight similar acoustic treatments.

Yes. Both keyboards list Mac support among their extra features. The Yunzii AL80 vendor description also specifically mentions compatibility with macOS, Windows, Linux, Android, and iOS systems.

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