UltraFire SA-R2 : 3-part, Waterproof IPX-8, Stainless Steel, CREE XP-E R2 WC ,SMO-reflector, 5-Mode, Memory, 240-Lumen, LED Flashlight (1*AAA/Protected 10440), 0.5~4.2V, Dimensions: (7.8 cm x 1.4 cm x 1.4 cm), Weight: (42 g); US$16.60. some reviews exist, also see CPF; Runtime: up to 30h
Brinyte BR-S2 : 3-part, Waterproof IPX-6, Stainless Steel, Cree XP-E R2, SMO-reflector, 5-Mode, Memory, 0.8-4.2V; 10440/AAA; 240 Lumen, Dimensions: (7.85 cm x 1.45 cm x 1.45 cm), Weight: (45 g); US$10-20 / EUR27.90lmao
Current:1000mA(10440)/300mA(AAA);
Runtime: 30minutes(li-ion)/150mintues(AA); -High power&long runtime -Low voltage protection -Constant output
Lumintop Worm SS : 2-part, Waterproof (IPX-8?), Stainless Steel, Cree XP-E R2, OP-reflector, 2-Mode, 60 Lumen max (or 70 lumen with Cree R5, see ebay seller), AAA (no 10440!), driver circuit board 0.9V-2.2V, 250mA; Dimensions: (7.20 cm x 1.41 cm x 1.41 cm), Weight: (27.3 g); FL-1 Standard: 42m beam distance, 1.5m impact resistance, 540 cd peak beam intensity, 4h max runtime, 2.0m water resistance; Runtime: ~7h (test by selfbuilt); no PWM; perfect constant current regulation; US$29.95