Sculpfun recently sent me their S9 laser to review. Subsequently they just sent me the Sculpfun S9 Upgrade Kit which is a 33 watt laser.
laser Archives - John's Tech Blog
Can This Laser Beat the Competition? Sculpfun S9 Laser Review
laser Archives - John's Tech Blog
Sculpfun S9 Laser Review - John's Tech Blog
laser Archives - Page 2 of 6 - John's Tech Blog
Sculpfun S9 33 Watt Upgrade Kit Observations
Sculpfun Linear Rail Kit Upgrade - THE LASER OG BLOG
Sculpfun S9 Working Area Size Test
SCULPFUN S9 Laser Engraver Upgrade kit to S30 Ultra 22W, air Assist, with 22W Laser, 32 bit Main Board, Limit Switch, for Sculpfun S9/S6/S6Pro/S30/S30Pro/S30Pro Max Laser Engraving Machine(S9 Up 22W)
SCULPFUN S9 to Sculpfun S30 Ultra 33W Upgrade Kit
SCULPFUN S9 Upgrade to S30 Ultra 33W/22W Laser Module with 32-bit Motherboard High-speed Air Assist Pump &X Y Limit Switch
Sculpfun S9 to 22W|S30 Ultra Upgrade Kit-22W
SCULPFUN S9 22W Laser Engraving Machine, S9 to S30 Ultra 22W Upgrade Kit, with 22W Laser, Automatic Air Support, Limit Switch, 32-bit Main Control Board Coloured Engraved Metal for SCULFUN S9
laser Archives - John's Tech Blog
Sculpfun S9 Upgrade Kit 33 Watt Review - John's Tech Blog