Complete your setup:
- 18650
- Lithium-ion
- 3.6V nominal
- Unprotected
- Flat top
- 18.3mm diameter × 65.0mm length
The Light Painter's & Flow Artist's Gift Guide
Which RGB Critter Kit Is Right for You? A Buyer's Guide
Advanced Light Painting Techniques: Stacking, Kinetic Rigs & Color Control
Every RGB Critter Accessory Explained: One Light, Dozens of Tools
How to Care for Your BitWhip: Cleaning, Storage & Maintenance
Light Writing: How to Write Words and Draw With Light
How to Photograph Light Orbs: A Complete Light Painting Tutorial
Fire Poi to LED: How to Transition Safely (and Why Flow Artists Switch)
The RGB Critter BT Platform: One Flashlight, Every Light Tool
Best Light Painting Flashlights in 2026: Life After ProtoMachines
ProtoMachines is gone. We mapped what light painters actually use in 2026: the RGB Critter BT, used LED2s, $30 budget lights, and high-CRI torches, compared honestly by the people who build one of them.
Best Fiber Optic Whips in 2026: We Make One, and We Compared It Honestly
We make the BitWhip, and we still compared it honestly against the GloFX Space Whip Remix and FiberFlies PixelWhip 4: fibers, modes, app control, warranties, and price, with a clear pick for every kind of flow artist.