Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Oct 28, 2026

Ajazz AC100 vs Keychron J3 SE

Get the Ajazz AC100 for the 8,000 mAh battery.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Quick verdict

Which one should you get?

Get the

Ajazz AC100

Battery

Build quality in the bottom 45% of 96% 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

Keychron J3 SE

Build quality in the top 50% of 96% boards under $150.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

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 AC100

Keychron J3 SE

  • Battery

    8,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum

    ABS

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Display

    TFT

    None

    A case display rather than a typing feature

  • Weight

    2,100 g

    1,145 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Ajazz AC100
  • Keychron J3 SE
Performance
58
80
Build quality
60
68
Productivity
65
89
Customizability
65
86
Portability
62
57

What they share

  • Layout size: 96%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Keycaps: PBT
See every spec side by side

Full specs

Ajazz AC100 vs Keychron J3 SE specs

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

11 of 23 specs differ

Ajazz AC100

Keychron J3 SE

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

No
Yes

Layout

Layout size

96%
96%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

TFT
None

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

8,000 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS

Plate material

FR4, Plastic
—

Keycaps

PBT
PBT

Weight

2,100 g
1,145 g

Dimensions

20 x 145 x 410 mm
43 x 406 x 139 mm

Backlight

RGB, south-facing
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
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.

Ajazz AC1003 stores

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.