Acebeam E70 vs RovyVon S3 Pro size comparison
The RovyVon S3 Pro is 9 mm (0.35 in) shorter than the Acebeam E70, and 1 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 9 mm (0.35 in) shorter than the Acebeam E70, and 1 mm narrower at its widest point. Weights are published on different bases (listed vs listed), so compare them with care.
Dimensions
| Acebeam E70 Check price ↗ | RovyVon S3 Pro Check price ↗ | |
| Length | 128 mm (5.04 in) | 119 mm (4.69 in)−9 mm |
| Head / width | 30 mm (1.18 in) | 29 mm (1.14 in)−1 mm |
| Body | 27 mm (1.06 in) | 29 mm (1.14 in)+2 mm |
| Weight | 102 g listed | 150 g listed |
| Battery | 21700 | 18650 |
| Max output | 4,600 lm | 2,800 lm |
| Throw | 240 m | 130 m |
| Type | EDC | EDC |
| Price | not verified yet | from $79.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced Aluminum version | batteryjunction.com sourced |
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E70 vs S3 Pro: how they differ
Size and weight
The RovyVon S3 Pro is the shorter light: 119 mm (4.69 in) against 128 mm (5.04 in), a difference of 9 mm (7%). At its widest point the RovyVon S3 Pro is 1 mm slimmer (29 vs 30 mm). Weights are published on different bases (Acebeam E70: 102 g listed; RovyVon S3 Pro: 150 g listed), so they are not directly comparable.
Brightness and throw
The Acebeam E70 is rated brighter: 4,600 lm maximum vs 2,800 lm for the RovyVon S3 Pro, 64% more. For beam distance the Acebeam E70 reaches further: 240 m vs 130 m rated throw (85% more).
Battery
The Acebeam E70 runs on a removable 21700 battery; the RovyVon S3 Pro runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Acebeam E70 if you want more output (4,600 lm vs 2,800 lm) and longer throw (240 m vs 130 m). Choose the RovyVon S3 Pro if you want a shorter light (9 mm shorter). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Acebeam E70 Check price ↗ RovyVon S3 Pro
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
E70 vs S3 Pro FAQ
Which is smaller, the Acebeam E70 or the RovyVon S3 Pro?
The RovyVon S3 Pro is the shorter light: 119 mm (4.69 in) against 128 mm (5.04 in), a difference of 9 mm (7%). At its widest point the RovyVon S3 Pro is 1 mm slimmer (29 vs 30 mm). Weights are published on different bases (Acebeam E70: 102 g listed; RovyVon S3 Pro: 150 g listed), so they are not directly comparable.
Which is brighter, the Acebeam E70 or the RovyVon S3 Pro?
The Acebeam E70 is rated brighter: 4,600 lm maximum vs 2,800 lm for the RovyVon S3 Pro, 64% more. For beam distance the Acebeam E70 reaches further: 240 m vs 130 m rated throw (85% more).
Do the Acebeam E70 and RovyVon S3 Pro use the same battery?
The Acebeam E70 runs on a removable 21700 battery; the RovyVon S3 Pro runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Compare Acebeam E70 with similar lights
Compare RovyVon S3 Pro with similar lights
More
Sources
- Acebeam E70: specs from manufacturer published specs as listed by batteryjunction.com. No verified price yet.
- RovyVon S3 Pro: specs from manufacturer published specs as listed by batteryjunction.com. Price from $79.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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