Fenix E20 V2.0 AA vs SureFire G2X Pro size comparison
The SureFire G2X Pro is 5.1 mm (0.20 in) longer than the Fenix E20 V2.0 AA, and 10.8 mm wider at its widest point. Weights are published on different bases (with batteries vs without battery), so compare them with care.
The SureFire G2X Pro is 5.1 mm (0.20 in) longer than the Fenix E20 V2.0 AA, and 10.8 mm wider at its widest point. Weights are published on different bases (with batteries vs without battery), so compare them with care.
Dimensions
| Fenix E20 V2.0 AA Check price ↗ | SureFire G2X Pro Check price ↗ | |
| Length | 127 mm (5.00 in) | 132.1 mm (5.20 in)+5.1 mm |
| Head / width | 21 mm (0.83 in) | 31.8 mm (1.25 in)+10.8 mm |
| Body | 16.8 mm (0.66 in) | 25.4 mm (1.00 in)+8.6 mm |
| Weight | 42 g without battery | 124.7 g with batteries |
| Battery | 2x AA | 2x CR123A |
| Max output | 350 lm | 600 lm |
| Throw | 126 m | — |
| Type | EDC | EDC |
| Price | $44.95 at fenixlighting.com, as of Nov 4, 2026 | $99.00 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | batteryjunction.com sourced |
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E20 V2.0 AA vs G2X Pro: how they differ
Size and weight
The Fenix E20 V2.0 AA is the shorter light: 127 mm (5.00 in) against 132.1 mm (5.20 in), a difference of 5.1 mm (4%). At its widest point the Fenix E20 V2.0 AA is 10.8 mm slimmer (21 vs 31.8 mm). Weights are published on different bases (Fenix E20 V2.0 AA: 42 g without battery; SureFire G2X Pro: 124.7 g with batteries), so they are not directly comparable.
Brightness and throw
The SureFire G2X Pro is rated brighter: 600 lm maximum vs 350 lm for the Fenix E20 V2.0 AA, 71% more.
Battery
The Fenix E20 V2.0 AA runs on removable 2x AA batteries; the SureFire G2X Pro runs on removable 2x CR123A batteries. For scale, a AA cell is about 14.5 × 50.5 mm and a CR123A about 17 × 34.5 mm (nominal).
Price
When we checked on Nov 4, 2026, the Fenix E20 V2.0 AA was $44.95 at fenixlighting.com and the SureFire G2X Pro $99.00 at batteryjunction.com, so the Fenix E20 V2.0 AA cost $54.05 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Fenix E20 V2.0 AA if you want a shorter light (5.1 mm shorter) and a slimmer profile (10.8 mm narrower). Choose the SureFire G2X Pro if you want more output (600 lm vs 350 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix E20 V2.0 AA Check price ↗ SureFire G2X Pro
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
E20 V2.0 AA vs G2X Pro FAQ
Which is smaller, the Fenix E20 V2.0 AA or the SureFire G2X Pro?
The Fenix E20 V2.0 AA is the shorter light: 127 mm (5.00 in) against 132.1 mm (5.20 in), a difference of 5.1 mm (4%). At its widest point the Fenix E20 V2.0 AA is 10.8 mm slimmer (21 vs 31.8 mm). Weights are published on different bases (Fenix E20 V2.0 AA: 42 g without battery; SureFire G2X Pro: 124.7 g with batteries), so they are not directly comparable.
Which is brighter, the Fenix E20 V2.0 AA or the SureFire G2X Pro?
The SureFire G2X Pro is rated brighter: 600 lm maximum vs 350 lm for the Fenix E20 V2.0 AA, 71% more.
Which is cheaper, the Fenix E20 V2.0 AA or the SureFire G2X Pro?
When we checked on Nov 4, 2026, the Fenix E20 V2.0 AA was $44.95 at fenixlighting.com and the SureFire G2X Pro $99.00 at batteryjunction.com, so the Fenix E20 V2.0 AA cost $54.05 less. Prices change often, so check the current price before you buy.
Do the Fenix E20 V2.0 AA and SureFire G2X Pro use the same battery?
The Fenix E20 V2.0 AA runs on removable 2x AA batteries; the SureFire G2X Pro runs on removable 2x CR123A batteries. For scale, a AA cell is about 14.5 × 50.5 mm and a CR123A about 17 × 34.5 mm (nominal).
Compare Fenix E20 V2.0 AA with similar lights
Compare SureFire G2X Pro with similar lights
More
Sources
- Fenix E20 V2.0 AA: specs from Fenix product page (manufacturer). Drawing: outline from published specs. Price $44.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- SureFire G2X Pro: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: shape measured from manufacturer photo (batteryjunction.com), scaled to the published length and diameter. Price $99.00 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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