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

Head to head · Prices checked Oct 23, 2026

Coolkiller Spring Series vs LeleDesign Lelelab Maxum 65 R2

Get the Coolkiller Spring Series for the 3,750 mAh battery and mac & windows.

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.

Coolkiller Spring Series

LeleDesign Lelelab Maxum 65 R2

  • Battery

    3,750 mAh

    2,400 mAh

  • Case material

    Plastic

    Acrylic, Aluminum

  • Display

    Yes

    None

  • Mac & Windows

    Yes

    No

  • Released

    2023

    2024

KeebFinder scores

How we score
  • Coolkiller Spring Series
  • LeleDesign Lelelab Maxum 65 R2
Performance
45
58
Build quality
53
73
Productivity
69
56
Customizability
69
69
Portability
90
85

What they share

  • Layout size: 65%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Sound dampening
See every spec side by side

Full specs

Coolkiller Spring Series vs LeleDesign Lelelab Maxum 65 R2 specs

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

5 of 19 specs differ

Coolkiller Spring Series

LeleDesign Lelelab Maxum 65 R2

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

65%
65%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

Yes
None

Connectivity & battery

Connection

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

Battery

3,750 mAhBetter
2,400 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Acrylic, Aluminum

Plate material

—
Aluminum, FR4

Keycaps

PBT
—

Weight

1,500 g
—

Dimensions

28 x 329 x 145 mm
—

Backlight

RGB
RGB

Firmware & software

Mac & Windows

Yes
No

Extras

Released

2023
2024

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Lowest price across stores, Amazon excluded.

  • MechkeysCN

    In stock
    $179Visit
  • AmazonGlobal

    Check price
    ~$179Visit
  • zFrontierHK

    In stock
    $189Visit
  • AmazonGlobal

    Check price
    ~$189Visit

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.

Still torn?

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