Streamlight/Tactical

Streamlight ProTac 2L-X

Name: Streamlight ProTac 2L-X
Brand: Streamlight
Price: 50 USD
Availability: InStock

Compact duty light with proven reliability. The 2L-X runs on CR123A or a single 18650 with Streamlight's TEN-TAP programming for flexible output.

Beam profile

Thrower, about 12° wide. Reach first: a small hotspot that puts light a long way out.

Estimated from 500 lm ÷ 14,000 cd — how this works

$50

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Specifications

Output: 500lm
Peak intensity: 14000cd
Beam distance: 237m
Emitter: CREE C4 LED
Colour rendering: 70 CRI
Beam type: Balanced
Cell: CR123A
Runtime: 2.5 hrs (high)
Modes: 3 Stepped
Interface: TEN-TAP
Water/dust: IPX7
Dimensions: 5.2 x 1.1 in
Weight: 3.0 oz
Warranty: Lifetime

Manufacturer figures, measured to ANSI FL1 where the brand states it.

Features

Pocket Clip Waterproof (IP67+)Tail Switch Momentary Mode

What owners report

Streamlight ProTac 2L-X/5 sources reviewed

A 500-lumen duty light that runs on two CR123As or a single rechargeable 18650, with better runtime from the 18650. Durability is what long-term owners report: one described three and a half years of consistent use with no meaningful wear or performance loss. It's light for how tough it is, and resists both impact and water.

Two caveats. Output is regulated but drops noticeably after the first fifteen minutes, settling around 350 lumens for most of the runtime — a real gap from the rated 500. And there are scattered reliability reports: flickering, and lights that fail to switch on with fresh cells, working correctly around seventy percent of the time in one account. One owner's dimming-and-dying problem was resolved by switching to a genuine Streamlight rechargeable cell. Reviewers also note Streamlight chose a wider beam than the output could support at distance.

Consistently praised

Runs on two CR123As or a single 18650, with better runtime from the 18650
One owner reports three and a half years of hard use with no wear
Light for its durability, resisting both impact and water
Streamlight's warranty and reputation behind it
Wide beam pattern suits close-range work well

Common complaints

Output drops after fifteen minutes and settles around 350 lumens, not 500
Scattered reports of flickering and failing to switch on with fresh cells
One owner's dimming issue only resolved by using a genuine Streamlight cell
The wide beam wastes the output at distance
No high-CRI option

Questions people ask

Does it really do 500 lumens?: For about fifteen minutes. After that regulation settles it around 350 for the remainder of the runtime. That's honest behaviour for the format but a meaningful gap from the rating.
Which battery should I use?: An 18650 gives better runtime than two CR123As. If reliability problems appear, owners report that switching to a genuine Streamlight cell resolved them.
Are the reliability reports common?: They're a minority against a generally strong record, but they recur — flickering and intermittent starts. Buying from somewhere with easy returns is sensible.
How far does it throw?: Not as far as 500 lumens could manage. Streamlight chose a wider beam suited to close work, which some reviewers see as leaving distance on the table.

Sources (5)