Keychron J1 vs K3 V2
Get the Keychron J1 for the 2,000 mAh battery and qmk.
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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 J1
Keychron K3 V2
Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired
Wireless for several devices and wired for lower latency
Battery
2,000 mAh
1,550 mAh
A larger battery means fewer cables during the day
Case material
ABS
Aluminum, Plastic
QMK
Yes
No
The deep option when you want to remap every key
VIA
Yes
No
GUI remapping without compiling firmware
- Keychron J1
- Keychron K3 V2
- Performance
- 8262
- Build quality
- 7166
- Productivity
- 8965
- Customizability
- 8666
- Portability
- 8077
- Layout size: 75%
- Hot-swappable
- Low profile
- Switch options: Clicky, Linear, Tactile
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron J1
5 owner reviews
“I like everything about this keyboard: the keys, their profile, the typing sound of the banana switch, the shape of the keyboard itself, and its size. There are no battery issues either; it holds a charge surprisingly long, and I don't remember the last time…”
“Almost perfect keyboard for me, low profile, etc., but battery dies too fast, i'd say 2-3 days max. and when it dies it does not reconnect when charging cable is plugged in, you have to toggle wired mode, plug in the cable and then toggle wireless mode for it…”
Keychron K3 V2
2,258 owner reviews
“I had a full-size mechanical keyboard before that was tking too much of deskspace. This keyboard with it's 65% size is amazing and saves quite some desk space.”
“Non-rgb version feels nice, but the battery is killing the whole experience... Even with the lights turned off, i can't get the keyboard to work on battery longer than 3-4 days, which is super annoying and not making me trust into this brand. Especially if…”
Keychron J1 vs K3 V2 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
11 of 25 specs differ
Keychron J1
Keychron K3 V2
Switch options
Hot-swappable
Mount style
Low profile
Sound dampening
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
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.
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