The Ledlenser P4 Penlight is a slim, lightweight inspection flashlight designed for professionals, tradespeople, technicians and everyday carry
Powered by standard AAA batteries, the Ledlenser P4 delivers dependable illumination in a compact pen-style design, making it ideal for inspections, electrical work, maintenance, reading and everyday tasks.
Featuring Ledlenser’s patented Advanced Focus System, the P4 allows seamless adjustment between a broad flood beam for close-range work and a focused spotlight for greater distance. The simple push-and-pull focusing mechanism provides precise control, making it easy to adapt the beam to changing tasks without compromising light quality.
Designed for convenience, the P4 features a durable aluminium alloy housing made from 75% recycled material, offering strength while supporting more sustainable manufacturing. Its integrated pocket clip keeps the light securely attached to a shirt pocket, notebook, tool bag or workwear, ensuring reliable illumination is always within easy reach.
Delivering up to 180 lumens with a beam distance of up to 90 metres, the P4 offers three practical brightness levels to balance output and runtime. Powered by two readily available AAA alkaline batteries, it is always ready for use without the need for charging and is also compatible with AAA NiMH rechargeable batteries for added flexibility.
Built for everyday reliability, the Ledlenser P4 offers IP54 dust and splash protection, 2-metre drop resistance and dependable performance in temperatures ranging from -20°C to +40°C. Its compact size, dependable battery operation and excellent beam control make it a practical choice for inspections, maintenance work and daily carry.
Features
- Compact battery-powered penlight for inspections, maintenance and everyday carry.
- Maximum output of 180 lumens.
- Beam distance of up to 90 metres.
- Advanced Focus System for seamless flood-to-spot beam adjustment.
- Simple push-and-pull focusing mechanism.
- Three brightness levels for versatile lighting.
- Powered by two AAA alkaline batteries.
- Compatible with AAA NiMH rechargeable batteries.
- Lightweight aluminium alloy housing made with 75% recycled material.
- Integrated pocket clip for convenient everyday carry.
- Simple end-cap switch operation.
- IP54 dust and splash protection.
- 2-metre drop resistance.
- Reliable performance without the need for charging.
- Operating temperature range from -20°C to +40°C.
Specifications
- Max Output: 180 lumens (Power mode).
- Beam Distance: Up to 90 meters (Power).
- Runtime (approximate, ANSI/PLATO standards):
- Power: 180 lm / 90 m / ~1–2 hours
- Mid Power: ~80–100 lm / longer runtime
- Low Power: 20 lm / ~23 hours (maximum reported)
- LED: High-power white LED (typically Cool White, good color rendering for inspection).
- Battery: 2x AAA alkaline (1.5V) – included. Compatible with AAA NiMH rechargeable batteries.
- Length: ~140–145 mm (pen-style profile).
- Diameter: ~15–19 mm (slim and pocketable).
- Weight: ~60 g (with batteries) / ~2.1 oz — extremely lightweight.
- Material: Aluminum alloy.
- Operating temperature: -20°C to +40°C.


















