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Head to head · Prices checked Oct 28, 2026

Ajazz AK820 Max Plus vs Xinmeng A66

Get the Ajazz AK820 Max Plus for the 8,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Ajazz AK820 Max Plus

Battery

Build quality in the bottom 35% of 75% boards under $100.

Rules this board out

  • No numpad.

Get the

Xinmeng A66

Build quality in the bottom 45% of 65% boards under $100.

Rules this board out

  • 65% layout. No function row and no numpad.

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.

Ajazz AK820 Max Plus

Xinmeng A66

  • Layout size

    75%

    65%

  • Battery

    8,000 mAh

    4,600 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS

    Aluminum

  • Display

    TFT

    None

    A case display rather than a typing feature

  • Weight

    850 g

    1,800 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Ajazz AK820 Max Plus
  • Xinmeng A66
Performance
52
40
Build quality
58
63
Productivity
84
65
Customizability
61
66
Portability
92
88

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Knob
See every spec side by side

Full specs

Ajazz AK820 Max Plus vs Xinmeng A66 specs

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

9 of 20 specs differ

Ajazz AK820 Max Plus

Xinmeng A66

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

Yes
No

Layout

Layout size

75%
65%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

TFT
None

Connectivity & battery

Connection

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

Battery

8,000 mAhBetter
4,600 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS
Aluminum

Plate material

FR4
FR4, Plastic

Keycaps

PBT
—

Weight

850 g
1,800 g

Dimensions

20 x 333 x 143 mm
20 x 113 x 322 mm

Backlight

None
None

Firmware & software

Mac & Windows

Yes
Yes

Extras

Released

2024
2023

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.

Xinmeng A663 stores

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