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Head to head · Prices checked Nov 11, 2026

Keychron V0 Ultra Numpad vs Yunzii AL21

Get the Keychron V0 Ultra Numpad for the 1,800 mAh battery and screw-in stabilizers.

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Quick verdict

Which one should you get?

Get the

Keychron V0 Ultra Numpad

Battery

Build quality in the top 40% of Numpad boards under $100.

Rules this board out

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

Get the

Yunzii AL21

Build quality in the top 10% of Numpad boards under $50.

Rules this board out

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

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.

Keychron V0 Ultra Numpad

Yunzii AL21

  • Battery

    1,800 mAh

    1,500 mAh

    A larger battery means fewer cables during the day

  • Case material

    Plastic

    Aluminum

  • Switch options

    Clicky, Linear, Tactile

    Linear

  • Weight

    310 g

    458 g

    Heavier boards stay planted and lighter ones travel

  • Screw-in stabilizers

    Yes

    No

    Easier to tune than the plate-mount stabs you get prebuilt

KeebFinder scores

How we score
  • Keychron V0 Ultra Numpad
  • Yunzii AL21
Performance
87
75
Build quality
72
77
Productivity
87
84
Customizability
74
74
Portability
85
89

What they share

  • Layout size: Numpad
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Knob
  • Sound dampening
See every spec side by side

Full specs

Keychron V0 Ultra Numpad vs Yunzii AL21 specs

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

6 of 24 specs differ

Keychron V0 Ultra Numpad

Yunzii AL21

Typing & switches

Switch options

Clicky, Linear, Tactile
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
No

Layout

Layout size

Numpad
Numpad

Layout standard

ANSI
—

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

8,000 Hz
—

Battery

1,800 mAhBetter
1,500 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Aluminum

Plate material

Polycarbonate
—

Keycaps

PBT
PBT

Weight

310 g
458 g

Dimensions

29 x 118 x 139 mm
44 x 136 x 91 mm

Typing angle

3°
—

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2026

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 AL212 stores

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