Fenix E03R V2.0 ($29.95) vs Fenix HM23 V2.0 ($36.95) — side-by-side specs, weight, pros and cons to help you pick the right keychain light.
| Spec | Fenix E03R V2.0 | Fenix HM23 V2.0 |
|---|---|---|
| Price | $29.95 | $36.95 |
| Weight | 30g | 86.3g |
| Output | 500 lumens, 90 m | 300 lumens, 88 m |
| LED | Two white light LEDs and one red light LED, with a lifespan of 50,000 hours | Luminus SST20 white LED |
| Modes | Seven modes including four brightness levels, red light, red flashing, and pulse light | Five lighting modes including three brightness levels, red light, and red flash |
| Battery | Built-in 400mAh li-polymer battery | AA battery; compatible with one 1.5V 14500 rechargeable battery |
| Size | Length 52.5 mm, Width 26 mm, Height 13 mm | Length 73.6 mm, Width 36 mm, Height 30 mm |
| Runtime | 30 hours max | 100 hours max |
| Weight | 30g incl. battery (fenixlighting.com spec text: 1.06 oz. (30g) including battery) | 86.3g incl. battery (fenixlighting.com spec text: 3.04 oz. (86.3g) including battery) |