Highlights
- Selectable 25 W or 50 W output
 - 100×100 mm aluminum heat sink for thermal management
 - Three replaceable 18650 cells with integrated BMS
 - Charge‑in‑place with external charger
 - 100 mm emitter, >100 lm/W efficiency
 - >2500 lm (low) / >5000 lm (high)
 - Bi‑directional 12 V port for auxiliary power
 
Technical Specs
- Board diameter: 108 mm
 - Emitting diameter: 100 mm
 - Power: 50 W (≈25 W at 12 V DC)
 - Input voltage: DC 12–14 V
 - Current: 3 A
 - Color temps: 6500 K / 3000 K
 - Luminous efficacy: >100 lm/W
 
Field Use
- Auxiliary 12 V power can drive LED strips or string lights at a campsite without turning the main lantern on.
 - 360° rotating handle allows hanging from a tent peak, awning, or branch to act as an overhead light.
 
Kotatsu Design & Development Inc.
    
Emitter
In Use
Engineering
Front
Rear