Brand · Flashlights
Prometheus Lights flashlights
We list 4 Prometheus Lights flashlights, from 90 to 1700 lm and 0.1 lb to 0.7 lb. The lightest is the Preon P2.5 MKIII at 0.1 lb, and prices start at $90.
By Everyday LoadoutData checked prometheuslights.comAbout Prometheus Lights
- Lights listed
- 4
- Output range
- 90 to 1700 lm
- Weight range
- 0.1 lb to 0.7 lb
- Price range
- $90 to $166.50
At a glance
- LightestPrometheus Lights Preon P2.5 MKIII0.1 lb · 45 g
- Lowest pricePrometheus Lights Preon P2.5 MKIII$90 at Prometheus Lights store, HAIII Storm Grey
- BrightestPrometheus Lights Maelstrom MXS "Standby"1,700 lm
- Longest throwPrometheus Lights Maelstrom MXS "Standby"280 m beam
- Longest runtimePrometheus Lights Maelstrom MXS "Standby"250 hours
Side-by-side specs
| Light | Output | Beam | Weight | Battery | Charging | From |
|---|---|---|---|---|---|---|
| Prometheus Lights Beta QRv3 | 90 lm | 40 m | 0.1 lb · 60 g | AAA | — | $150 |
| Prometheus Lights Preon P2.5 MKIII | 250 lm | 55 m | 0.1 lb · 45 g | AAA | — | $90 |
| Prometheus Lights Mini Turbo MKIII | 700 lm | 200 m | 0.1 lb · 51 g | 16340 | — | $106.25 |
| Prometheus Lights Maelstrom MXS "Standby" | 1,700 lm | 280 m | 0.7 lb · 323 g | 26650 | — | $166.50 |
Image not availableColors: Raw Brass
The Prometheus Lights Beta QRv3 is a 90 lm, 0.13 lb flashlight with a 40 m beam. It runs on AAA. It uses a Nichia 519A LED and it's 7.5 cm (2.9 in) long.
It's the third lightest of the 4 lights here. Worth knowing: sold by one retailer we track (Prometheus Lights store).
- Max output
- 90 lm
- Beam
- 40 m (44 yd)
- Weight
- 0.1 lb · 60 g
- Battery
- AAA
- Charging
- Not published
- LED
- Nichia 519A
$150at Prometheus Lights store
Check price for the Prometheus Lights Beta QRv3 at Prometheus Lights store (opens in new tab)Full specs and sources for the Prometheus Lights Beta QRv3Lowest in-stock price as of Oct 25, 2026.
Stands out
- High CRI (90)
- IPX8 rated
- Brass body
Worth knowing
- Sold by one retailer we track (Prometheus Lights store)
Image not availableThe Prometheus Lights Preon P2.5 MKIII is a 250 lm, 0.10 lb flashlight with a 55 m beam. It runs on AAA. It uses a Nichia 519A LED and it's 13 cm (5.1 in) long.
It's the lightest of the 4 lights here, 278 g lighter than the heaviest and the least expensive here at $90. Worth knowing: sold by one retailer we track (Prometheus Lights store).
- Max output
- 250 lm
- Beam
- 55 m (60 yd)
- Weight
- 0.1 lb · 45 g
- Battery
- AAA
- Charging
- Not published
- LED
- Nichia 519A
$90at Prometheus Lights store, HAIII Storm Grey
Check price for the Prometheus Lights Preon P2.5 MKIII at Prometheus Lights store (opens in new tab)Full specs and sources for the Prometheus Lights Preon P2.5 MKIIILowest in-stock price as of Oct 25, 2026.
Stands out
- High CRI (92)
- Pocket clip
- IPX8 rated
Worth knowing
- Sold by one retailer we track (Prometheus Lights store)
Image not availableColor not published
The Prometheus Lights Mini Turbo MKIII is a 700 lm, 0.11 lb flashlight with a 200 m beam. It runs on 16340. It uses a Cree XPL-HI LED and it's 6.1 cm (2.4 in) long.
It's the second lightest of the 4 lights here. Worth knowing: sold by one retailer we track (Prometheus Lights store).
- Max output
- 700 lm
- Beam
- 200 m (219 yd)
- Weight
- 0.1 lb · 51 g
- Battery
- 16340
- Charging
- Not published
- LED
- Cree XPL-HI
$106.25was $125at Prometheus Lights store
Lowest in-stock price as of Oct 25, 2026.
Stands out
- Magnetic tail
- Pocket clip
- IPX8 rated
Worth knowing
- Sold by one retailer we track (Prometheus Lights store)
Image not availableThe Prometheus Lights Maelstrom MXS "Standby" is a 1,700 lm, 0.71 lb flashlight with a 280 m beam. It runs on 26650. It uses a Nichia 144A LED and it's 14.2 cm (5.6 in) long.
At 0.7 lb it's the heaviest of the 4 lights here and the most expensive here at $166.50. Worth knowing: heaviest light in this list.
- Max output
- 1,700 lm
- Beam
- 280 m (306 yd)
- Weight
- 0.7 lb · 323 g
- Battery
- 26650
- Charging
- Not published
- LED
- Nichia 144A
$166.50was $185at Prometheus Lights store, Java
Lowest in-stock price as of Oct 25, 2026.
Stands out
- High CRI (90)
- Lockout
- IPX6 rated
Worth knowing
- Heaviest light in this list
- Sold by one retailer we track (Prometheus Lights store)
Questions, answered from the data
What are the lightest Prometheus Lights flashlights?
The Prometheus Lights Preon P2.5 MKIII is the lightest at 0.1 lb (45 g), by manufacturer spec.
What's the cheapest option?
The Prometheus Lights Preon P2.5 MKIII, with a lowest in-stock price of $90 this week.
Which is brightest?
The Prometheus Lights Maelstrom MXS "Standby", at 1,700 lm (the brand’s stated maximum, usually a short turbo burst).
About this list
This page includes every Prometheus Lights flashlight in our database, ordered by output. “At a glance” picks compare these lights with each other only. To compare across brands, use the flashlight search.
Specs come from Prometheus Lights’s product pages unless marked otherwise, and every value links to its source on the product page. Prices are the lowest in-stock price we found on Oct 25, 2026. This is a spec comparison, not a hands-on review. Read our methodology.