Black Diamond Spot 400-R Review: Lightweight Rechargeable Power in Your Pocket
What Is It?
The Black Diamond Spot 400-R is a compact, rechargeable headlamp built for hikers, climbers, and campers who need bright, hands-free illumination without the hassle of swapping batteries. With 400 lumens of max brightness, a waterproof housing, and USB-C charging, it’s one of the most capable headlamps in the ultralight category.
At just over 2 ounces, it’s barely noticeable on your head or in your pack—but packs serious lighting performance for the weight.
Key Features
Max Output: 400 lumens on high, with multiple brightness levels and modes for different conditions.
Rechargeable Battery: Integrated 1500 mAh lithium-ion battery recharges via USB-C (cord included). Up to 225 hours on low and 4 hours on high.
Multiple Modes:
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Spot beam for distance
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Flood for close-up tasks
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Red night-vision mode
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Strobe and dimming functions
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Brightness Memory remembers last-used setting
PowerTap Technology: Tap the side of the lamp to quickly cycle between full and dimmed brightness.
Lock Mode: Prevents accidental activation in packs or pockets.
IP67 Waterproof: Dustproof and submersible up to 1 meter for 30 minutes—great for rainy hikes or river crossings.
Compact Design: Low-profile body with adjustable headband. Total weight: 2.6 oz (73g).
Performance in the Field
The Spot 400-R punches above its weight in both brightness and beam control. It lights up trails clearly at night and works great for tasks around camp. The PowerTap side sensor is intuitive and reliable—making it easy to dial brightness up or down without fumbling through buttons.
Battery life is solid for a rechargeable model, and the USB-C port is a welcome upgrade from micro-USB models of the past. The red light mode is a plus for night navigation or preserving night vision during stargazing.
Even after extended use in cold or wet conditions, the Spot 400-R holds up like a pro.
Best For
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Backpackers and thru-hikers wanting a lightweight rechargeable headlamp
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Climbers and trail runners who need hands-free brightness in a small package
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Campers and overlanders looking for compact task lighting
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Eco-conscious users ditching disposable batteries
Final Verdict
The Black Diamond Spot 400-R delivers excellent brightness, weather resistance, and battery life in a minimal, rechargeable form factor. If you’re looking for a no-nonsense headlamp that won’t weigh you down but still performs in demanding conditions, this one’s hard to beat.
Rating: 9.0/10
