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Head to head · Prices checked Nov 7, 2026

Keychron V3 Max vs Bat Knight BK75Customization vs All-in-One Kit

Choose the Keychron V3 Max for deep firmware customization and layout options, or the Bat Knight BK75 for a unique all-in-one package with an integrated wrist rest and cover.

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Quick verdict

Which one should you get?

Get the

Keychron V3 Max

Customization

Build quality in the top 10% of 80% boards under $200.

If you want

  • Extensive customization via open-source QMK and VIA firmware.
  • Available in multiple ISO and ANSI layout standards.
  • Comes in both fully assembled and barebones kit versions.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No numpad.
$150 at Keychron (DE)

Get the

Bat Knight BK75

All-in-One Kit

Build quality in the bottom 40% of 75% boards under $100.

If you want

  • Unique 3-in-1 design integrates a wrist rest, dust cover, and display stand.
  • Magnetic cover automatically turns the keyboard on/off in wireless modes.
  • More compact 75% layout saves desk space.

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • No numpad.
$89 at Velocifire

Bottom line

Select the Keychron V3 Max if your priority is software customization, future modding potential, or you need a specific ISO layout. Opt for the Bat Knight BK75 if you prefer a more compact keyboard with a clever, all-in-one physical design that includes a wrist rest and protective cover, and you do not require advanced firmware remapping.

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 V3 Max

Bat Knight BK75

  • Layout size

    80%

    75%

  • Case material

    ABS, Plastic

    Plastic

  • Switch options

    Clicky, Linear, Tactile

    Linear

  • Mount style

    Gasket Mount, Plate Mount

    Gasket Mount

  • Weight

    895 g

    1,400 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Keychron V3 Max
  • Bat Knight BK75
Performance
82
79
Build quality
86
60
Productivity
98
62
Customizability
98
67
Portability
76
75

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 4,000 mAh
  • Max polling rate: 1,000 Hz
  • Knob
See every spec side by side

Best for

What will you mostly use it for?

The Keychron V3 Max wins in scenarios demanding customization, such as programming, modding, and content creation, thanks to its open-source firmware and layout flexibility. The Bat Knight BK75 is better suited for travel due to its smaller size and protective cover, while office use is a draw. For gaming, the V3 Max's consistent high polling rate and TKL layout give it an edge.

For gaming

Pick the Keychron V3 Max

  • The V3 Max offers a 1000 Hz polling rate in both its 2.4 GHz and wired modes for consistent low-latency performance.
  • Its TKL layout provides dedicated arrow and navigation keys without sacrificing significant desk space.
  • South-facing RGB LEDs prevent interference with Cherry or OEM-profile keycaps, a common choice for gamers.
$150 at Keychron (DE)

Full specs

Keychron V3 Max vs Bat Knight BK75 specs

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

16 of 27 specs differ

Keychron V3 Max

Bat Knight BK75

Typing & switches

Switch options

Clicky, Linear, Tactile
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount, Plate Mount
Gasket Mount

Sound dampening

Yes
No

Screw-in stabilizers

Yes
No

Layout

Layout size

80%
75%

Layout standard

ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
1,000 Hz

Battery

4,000 mAh
4,000 mAh

USB-C

Yes
No

Build & materials

Case material

ABS, Plastic
Plastic

Plate material

Polycarbonate
—

Keycaps

ABS, PBT
PBT

Weight

895 g
1,400 g

Dimensions

24 x 149 x 368 mm
46 x 327 x 150 mm

Typing angle

4°
—

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2023

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Keychron V3 Max

  • Keychron

    ISO-DE, ISO-UK, ISO-Nordic, ISO-SW

    Out of stockShips to you

  • Keychron (DE)

    ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW

    In stockDoes not ship to you

Bat Knight BK75

No ISO layout at the stores we track.

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.

Keychron V3 Max4 stores
Bat Knight BK752 stores

FAQ

Keychron V3 Max vs Bat Knight BK75: your questions

The Keychron V3 Max supports both QMK and VIA, which are open-source firmware platforms allowing for deep, system-level key remapping and macro creation. The Bat Knight BK75 uses proprietary Windows-only software that only works in wired or 2.4 GHz modes, offering more limited customization.

Yes, the vendor description states the wrist rest on the BK75 is detachable. It also functions as a dust cover and a display stand, making it a 3-in-1 accessory.

Yes. Keychron offers the V3 Max in a barebones kit version, which includes the ABS case, PCB with screw-in stabilizers, and polycarbonate plate, but does not include keycaps or switches.

The Bat Knight BK75 is more compact due to its 75% layout and includes a magnetic metal cover that protects the keys. However, it is significantly heavier at 1.4 kg. The Keychron V3 Max has a larger TKL footprint but is lighter at 895 grams.

Yes, both the Keychron V3 Max and Bat Knight BK75 list compatibility with macOS and Windows systems. The V3 Max includes specific keycaps for both operating systems and a hardware toggle switch.

The pre-built Keychron V3 Max comes with Gateron Jupiter switches, available in Red (linear), Brown (tactile), or Banana (tactile). The Bat Knight BK75 comes with pre-lubed linear Bat Knight Orchid V2 switches.

The BK75 uses a Hall effect sensor. When the magnetic wrist rest is folded over the keyboard to act as a dust cover, it automatically puts the keyboard to sleep in Bluetooth and 2.4 GHz modes to save battery.

Yes, both keyboards use standard MX-style stems, so most Cherry profile keycaps will fit. The V3 Max specifically highlights that its south-facing RGB LEDs prevent interference with Cherry or OEM-profile keycaps.

Both have a 4000mAh battery. Keychron cites up to 190 hours with RGB off for the V3 Max. Bat Knight estimates about 5 days with RGB on and 15-20 days with RGB off for the BK75, though real-world use will vary.

The Bat Knight BK75 offers a simpler, all-in-one package with its integrated accessories. The Keychron V3 Max is better for a first-time buyer interested in learning about customization, as its hot-swap design and QMK/VIA support provide a clear upgrade path.

Yes, both the Keychron V3 Max and the Bat Knight BK75 include a knob, typically used for volume control or scrolling.

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