Outdoors · Black Diamond
Black Diamond Spot 400
The AAA default. Sealed to IPX8, locks out in a pack, and takes fresh cells anywhere.
Overall
7.9
out of 10
Axis scores
Outdoors is scored on these 4 axes. The total is their plain average — nothing is weighted.
- Performance — How well it does the core job
- Value — What the same money buys elsewhere
- Durability — Failure and fade reports past the one-year mark
- Design — Build quality and how it sits in a room
Specs
- Max output
- 400 lumens on high
- Power
- 3x AAA included, or the BD 1500 pack
- Water resistance
- IPX8
- Weight
- 86 g with AAA cells
- Beam distance
- 100 m on high
As published by the manufacturer. We didn't measure these ourselves.
Is it for you
Buy it if
- Cold trips where a fresh set of cells beats hunting for a charger
- A lamp that lives in a pack and comes out a few nights a year
- Camp chores, tent rummaging, and walking rather than running
Skip it if
- You want rechargeable out of the box — the BD pack is a separate purchase
- You need output that holds steady, since alkalines fade as they drain
- Thick gloves are the norm; the single button asks for taps and holds
Three AAA cells is the whole argument. Lithium primaries work in cold that flattens a lithium-ion pack, a gas station carries replacements, and a lamp you use four nights a year does not sit in a drawer self-discharging into uselessness. Everything else about this lamp is competent; the chemistry decision is why it keeps getting recommended.
Alkalines drain on a slope, and Black Diamond does not regulate that away. High starts near the rated output and settles well below it inside the first hour, then keeps sliding. Reviewers who chart runtime show the same curve every time. In practice you stop noticing, because your eyes adapt at roughly the rate the lamp dims — right up until you point it at something twenty meters out and find it is not reaching.
The lockout is the feature that earns its place. Hold the button for six seconds and the lamp ignores the button entirely, so it cannot switch on against the inside of a pack and cook a set of cells during a two-day approach. Owners who have opened a bag to a warm, dead headlamp only need to be told once.
PowerTap is the gimmick that half works. Tapping the side of the housing jumps between full and dimmed, which is genuinely quicker than cycling modes when a hand is occupied. It also fires when you knock the lamp against a tent pole, and it does nothing at all through a hood.
The battery meter shows for a few seconds at power-on and then goes away. That is a defensible design — a permanent indicator would leak light — but it means the only time you learn how much charge is left is the moment you are least interested.
IPX8 covers submersion, not corrosion. The AAA compartment is the weak point on any lamp of this type, and the contacts corrode if a cell weeps inside a closed lid over a winter. Pull the batteries when the lamp goes into storage.
The strap holds its adjustment better than the price bracket suggests, and the tilt detents stay put under the weight of the housing. Both loosen with age. Neither is replaceable without buying the headband, which Black Diamond does sell.
The dual-fuel claim needs reading closely. The lamp accepts the BD 1500 rechargeable pack and runs longer and flatter on it, but that pack is not in the box, and once you have bought one you own a proprietary battery in a lamp you chose for taking standard cells.
Last updated . The scoring method is on how we rank.