Fenix E18R V2.0 vs Streamlight MicroStream USB size comparison
The Streamlight MicroStream USB is 31 mm (1.22 in) longer than the Fenix E18R V2.0, and 7 mm narrower at its widest point. It is 22 g lighter (with battery).
The Streamlight MicroStream USB is 31 mm (1.22 in) longer than the Fenix E18R V2.0, and 7 mm narrower at its widest point. It is 22 g lighter (with battery).
Dimensions
| Fenix E18R V2.0 Check price ↗ | Streamlight MicroStream USB Check price ↗ | |
| Length | 67 mm (2.64 in) | 98 mm (3.86 in)+31 mm |
| Head / width | 22 mm (0.87 in) | 15 mm (0.59 in)−7 mm |
| Body | 22 mm (0.87 in) | 15 mm (0.59 in)−7 mm |
| Weight | 56 g with battery | 34 g with battery−22 g |
| Battery | 16340 | Built-in |
| Max output | 1,200 lm | 250 lm |
| Throw | 146 m | — |
| Type | EDC | EDC |
| Price | $59.95 at fenixlighting.com, as of Nov 4, 2026 | $41.50 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | batteryjunction.com sourced |
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E18R V2.0 vs MicroStream USB: how they differ
Size and weight
The Fenix E18R V2.0 is the shorter light: 67 mm (2.64 in) against 98 mm (3.86 in), a difference of 31 mm (32%). At its widest point the Streamlight MicroStream USB is 7 mm slimmer (15 vs 22 mm). The Streamlight MicroStream USB is 22 g lighter (34 g vs 56 g, with battery).
Brightness and throw
The Fenix E18R V2.0 is rated brighter: 1,200 lm maximum vs 250 lm for the Streamlight MicroStream USB, 380% more.
Battery
The Fenix E18R V2.0 runs on a removable 16340 battery; the Streamlight MicroStream USB runs on a built-in rechargeable battery. Only the Fenix E18R V2.0 lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Fenix E18R V2.0 was $59.95 at fenixlighting.com and the Streamlight MicroStream USB $41.50 at batteryjunction.com, so the Streamlight MicroStream USB cost $18.45 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 E18R V2.0 if you want a shorter light (31 mm shorter), more output (1,200 lm vs 250 lm) and a removable cell you can swap. Choose the Streamlight MicroStream USB if you want a slimmer profile (7 mm narrower), less weight (22 g lighter) and a built-in battery with no separate cell to buy. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix E18R V2.0 Check price ↗ Streamlight MicroStream USB
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E18R V2.0 vs MicroStream USB FAQ
Which is smaller, the Fenix E18R V2.0 or the Streamlight MicroStream USB?
The Fenix E18R V2.0 is the shorter light: 67 mm (2.64 in) against 98 mm (3.86 in), a difference of 31 mm (32%). At its widest point the Streamlight MicroStream USB is 7 mm slimmer (15 vs 22 mm). The Streamlight MicroStream USB is 22 g lighter (34 g vs 56 g, with battery).
Which is brighter, the Fenix E18R V2.0 or the Streamlight MicroStream USB?
The Fenix E18R V2.0 is rated brighter: 1,200 lm maximum vs 250 lm for the Streamlight MicroStream USB, 380% more.
Which is cheaper, the Fenix E18R V2.0 or the Streamlight MicroStream USB?
When we checked on Nov 4, 2026, the Fenix E18R V2.0 was $59.95 at fenixlighting.com and the Streamlight MicroStream USB $41.50 at batteryjunction.com, so the Streamlight MicroStream USB cost $18.45 less. Prices change often, so check the current price before you buy.
Do the Fenix E18R V2.0 and Streamlight MicroStream USB use the same battery?
The Fenix E18R V2.0 runs on a removable 16340 battery; the Streamlight MicroStream USB runs on a built-in rechargeable battery. Only the Fenix E18R V2.0 lets you swap in a charged spare.
Compare Fenix E18R V2.0 with similar lights
Compare Streamlight MicroStream USB with similar lights
More
Sources
- Fenix E18R V2.0: specs from Fenix product page (manufacturer). Price $59.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Streamlight MicroStream USB: specs from manufacturer published specs as listed by batteryjunction.com. Price $41.50 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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