RovyVon E300S G2 vs RovyVon S3 Pro size comparison
The RovyVon S3 Pro is 18 mm (0.71 in) longer than the RovyVon E300S G2, and 8 mm narrower at its widest point. Weights are published on different bases (listed vs listed), so compare them with care.
The RovyVon S3 Pro is 18 mm (0.71 in) longer than the RovyVon E300S G2, and 8 mm narrower at its widest point. Weights are published on different bases (listed vs listed), so compare them with care.
Dimensions
| RovyVon E300S G2 Check price ↗ | RovyVon S3 Pro Check price ↗ | |
| Length | 101 mm (3.98 in) | 119 mm (4.69 in)+18 mm |
| Head / width | 37 mm (1.46 in) | 29 mm (1.14 in)−8 mm |
| Body | — | 29 mm (1.14 in) |
| Thickness | 17 mm (0.67 in) | — |
| Weight | 90 g listed | 150 g listed |
| Battery | Built-in | 18650 |
| Max output | 2,400 lm | 2,800 lm |
| Throw | 130 m | 130 m |
| Type | EDC | EDC |
| Price | $79.95 at batteryjunction.com, as of Nov 4, 2026 | from $79.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | batteryjunction.com sourced |
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E300S G2 vs S3 Pro: how they differ
Size and weight
The RovyVon E300S G2 is the shorter light: 101 mm (3.98 in) against 119 mm (4.69 in), a difference of 18 mm (15%). At its widest point the RovyVon S3 Pro is 8 mm slimmer (29 vs 37 mm). Weights are published on different bases (RovyVon E300S G2: 90 g listed; RovyVon S3 Pro: 150 g listed), so they are not directly comparable.
Brightness and throw
The RovyVon S3 Pro is rated brighter: 2,800 lm maximum vs 2,400 lm for the RovyVon E300S G2, 17% more. Rated throw is the same, 130 m.
Battery
The RovyVon E300S G2 runs on a built-in rechargeable battery; the RovyVon S3 Pro runs on a removable 18650 battery. Only the RovyVon S3 Pro lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the RovyVon E300S G2 was $79.95 at batteryjunction.com and the RovyVon S3 Pro from $79.95 at batteryjunction.com. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the RovyVon E300S G2 if you want a shorter light (18 mm shorter) and a built-in battery with no separate cell to buy. Choose the RovyVon S3 Pro if you want a slimmer profile (8 mm narrower), more output (2,800 lm vs 2,400 lm) and a removable cell you can swap. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ RovyVon E300S G2 Check price ↗ RovyVon S3 Pro
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
E300S G2 vs S3 Pro FAQ
Which is smaller, the RovyVon E300S G2 or the RovyVon S3 Pro?
The RovyVon E300S G2 is the shorter light: 101 mm (3.98 in) against 119 mm (4.69 in), a difference of 18 mm (15%). At its widest point the RovyVon S3 Pro is 8 mm slimmer (29 vs 37 mm). Weights are published on different bases (RovyVon E300S G2: 90 g listed; RovyVon S3 Pro: 150 g listed), so they are not directly comparable.
Which is brighter, the RovyVon E300S G2 or the RovyVon S3 Pro?
The RovyVon S3 Pro is rated brighter: 2,800 lm maximum vs 2,400 lm for the RovyVon E300S G2, 17% more. Rated throw is the same, 130 m.
Which is cheaper, the RovyVon E300S G2 or the RovyVon S3 Pro?
When we checked on Nov 4, 2026, the RovyVon E300S G2 was $79.95 at batteryjunction.com and the RovyVon S3 Pro from $79.95 at batteryjunction.com. Prices change often, so check the current price before you buy.
Do the RovyVon E300S G2 and RovyVon S3 Pro use the same battery?
The RovyVon E300S G2 runs on a built-in rechargeable battery; the RovyVon S3 Pro runs on a removable 18650 battery. Only the RovyVon S3 Pro lets you swap in a charged spare.
Compare RovyVon E300S G2 with similar lights
Compare RovyVon S3 Pro with similar lights
More
Sources
- RovyVon E300S G2: 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 $79.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
- RovyVon S3 Pro: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price from $79.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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