40W maximum output
Output information is presented through a focused 0.85-inch TFT display.
Power with a softer hold
Compact form, considered control.
STL40 pairs a zinc-alloy structure with a soft rubberized grip, balancing a compact profile with a clear circular interface.
Its 0.85-inch TFT display creates a focused visual centre, while the 40W maximum output and 1,500 mAh battery are contained in a narrow handheld form.
Product specification
- Capacity
- 4.0 ml
- Battery
- 1,500 mAh
- Charging
- Type-C · 5V/2A
- Power
- 40W max
- Material
- Zinc alloy / soft rubberized grip
- Product size
- 122 × 28.5 × 17.5 mm
- Display
- 0.85-inch TFT
Specifications follow the latest 2026 product sheet. Unconfirmed or conflicting legacy figures are intentionally omitted.
Design language
Every detail has a reason.
A circular screen, contrasting grip and compact metal frame give STL40 its direct, tactile identity.
1,500 mAh battery
The built-in battery is paired with Type-C 5V/2A charging.
Soft rubberized grip
The tactile grip is integrated into the zinc-alloy body around a 4.0 ml format.
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