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Night runs have a habit of turning into faff — head torches that slip, dazzle you, or die halfway round the loop. The NAO LT sorts all three. The battery pack sits at the back of the head rather than the front, so the weight balances out and the breathable headband stays put through even your sweatiest interval session. You get 600 lumens for a full two hours, plenty to pick out roots and kerbs on an unlit towpath, plus a red light on the back so anyone coming up behind you knows you're there. Charge it via USB-C, or drop in three standard batteries when you can't wait around — Petzl's HYBRID CONCEPT means you're never stuck without light.
Lighting performance with rechargeable CORE rechargeable battery
| Lighting performance as defined by the ANSI/PLATO FL 1 protocol | |||||
| Lighting Color | Lighting Levels | Brightness | Distance | Burn Time | Reserve Lighting |
| White | Max Burn Time | 7 lm | 7 m | 85 h | - |
| Standard | 100 lm | 30 m | 7 h | ||
| Max Power | 600 lm | 75 m | 2 h | ||
| Red | Strobe | Visible at 250 m for 250 h | - | ||
Lighting performance with 3 AAA / LR03 batteries
| Lighting performance as defined by the ANSI/PLATO FL 1 protocol | |||||
| Lighting Color | Lighting Levels | Brightness | Distance | Burn Time | Reserve Lighting |
| White | Max Burn Time | 7 lm | 7 m | 85 h | - |
| Standard | 100 lm | 30 m | 7 h | ||
| Max Power | 370 lm | 60 m | 2 h | ||
| Red | Strobe | Visible at 250 m for 250 h | - | ||
As a brand, Petzl was born in the darkness. Their story began with founder Fernand Petzl's passion for caving, back in the mid-1930s. Out of that passion, Petzl started to design innovative solutions for ascending, descending, belaying and moving about underground. This included pioneering headlamps and rope safety equipment. But alpinists soon discovered that what worked below the earth also worked above it, and Petzl kit was quickly co-opted by climbers, mountaineers and skiers.
Today, Petzl remains one of the leading technical brands in all these fields, still devoted to one mission: to access the inaccessible. The product range is split into two core categories: lighting – which includes some of the world's most advanced head torches; and verticality – highly technical equipment designed for those venturing into the world's loftiest mountain ranges as well as the globe's deepest, darkest places.
Night runs have a habit of turning into faff — head torches that slip, dazzle you, or die halfway round the loop. The NAO LT sorts all three. The battery pack sits at the back of the head rather than the front, so the weight balances out and the breathable headband stays put through even your sweatiest interval session. You get 600 lumens for a full two hours, plenty to pick out roots and kerbs on an unlit towpath, plus a red light on the back so anyone coming up behind you knows you're there. Charge it via USB-C, or drop in three standard batteries when you can't wait around — Petzl's HYBRID CONCEPT means you're never stuck without light.
Lighting performance with rechargeable CORE rechargeable battery
| Lighting performance as defined by the ANSI/PLATO FL 1 protocol | |||||
| Lighting Color | Lighting Levels | Brightness | Distance | Burn Time | Reserve Lighting |
| White | Max Burn Time | 7 lm | 7 m | 85 h | - |
| Standard | 100 lm | 30 m | 7 h | ||
| Max Power | 600 lm | 75 m | 2 h | ||
| Red | Strobe | Visible at 250 m for 250 h | - | ||
Lighting performance with 3 AAA / LR03 batteries
| Lighting performance as defined by the ANSI/PLATO FL 1 protocol | |||||
| Lighting Color | Lighting Levels | Brightness | Distance | Burn Time | Reserve Lighting |
| White | Max Burn Time | 7 lm | 7 m | 85 h | - |
| Standard | 100 lm | 30 m | 7 h | ||
| Max Power | 370 lm | 60 m | 2 h | ||
| Red | Strobe | Visible at 250 m for 250 h | - | ||
As a brand, Petzl was born in the darkness. Their story began with founder Fernand Petzl's passion for caving, back in the mid-1930s. Out of that passion, Petzl started to design innovative solutions for ascending, descending, belaying and moving about underground. This included pioneering headlamps and rope safety equipment. But alpinists soon discovered that what worked below the earth also worked above it, and Petzl kit was quickly co-opted by climbers, mountaineers and skiers.
Today, Petzl remains one of the leading technical brands in all these fields, still devoted to one mission: to access the inaccessible. The product range is split into two core categories: lighting – which includes some of the world's most advanced head torches; and verticality – highly technical equipment designed for those venturing into the world's loftiest mountain ranges as well as the globe's deepest, darkest places.
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