
The third-generation Beta — a tiny AAA keychain/EDC light with Prometheus' Quick Release (QR) mechanism. Runs on a rechargeable NiMH AAA or a disposable lithium AAA (no Li-ion). High-CRI Nichia 519A (4000K, 90+ CRI).
Output: 90 lm max · 1 lm min · 50 min–50 h runtime · IPX8 (1 m).
Materials & finishes: Raw/Velvet Brass, Raw/Velvet Copper, Electroless Nickel, HAIII Black, and Titanium editions. Copper/brass weigh ~59 g; Electroless Nickel / HAIII ~37 g. Roughly $145–$295.
Specifications
BrandPrometheus
ModelBeta QRv3
Brand OriginUSA
Made InUSA
CategoryCustom
Max Output90 lm
Min Output1 lm
LED / EmitterNichia 519A
Battery1× AAA
ChargingNone
Length75 mm
Body Diameter14 mm
Weight37 g
MaterialAluminum
IP RatingIPX8
Est. Retail Price$145
Change history
–system added ·