Convoy S21E vs Fenix E28R V2.0 size comparison
The Fenix E28R V2.0 is 4.6 mm (0.18 in) longer than the Convoy S21E, and 0.8 mm narrower at its widest point. Weights are published on different bases (with battery vs without battery), so compare them with care.
The Fenix E28R V2.0 is 4.6 mm (0.18 in) longer than the Convoy S21E, and 0.8 mm narrower at its widest point. Weights are published on different bases (with battery vs without battery), so compare them with care.
Dimensions
| Convoy S21E Check price ↗ | Fenix E28R V2.0 Check price ↗ | |
| Length | 116.4 mm (4.58 in) | 121 mm (4.76 in)+4.6 mm |
| Head / width | 27.3 mm (1.07 in) | 26.5 mm (1.04 in)−0.8 mm |
| Body | 27.3 mm (1.07 in) | 22.5 mm (0.89 in)−4.8 mm |
| Weight | 88 g without battery | 128 g with battery |
| Battery | 21700 | 18650 / 2x CR123A |
| Max output | — | 1,700 lm |
| Throw | — | 273 m |
| Type | EDC | EDC |
| Price | from $27.99 at flashlightgo.com, as of Nov 4, 2026 | $64.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | flashlightgo.com sourced Output depends on LED option | fenixlighting.com sourced |
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S21E vs E28R V2.0: how they differ
Size and weight
The Convoy S21E is the shorter light: 116.4 mm (4.58 in) against 121 mm (4.76 in), a difference of 4.6 mm (4%). At its widest point the Fenix E28R V2.0 is 0.8 mm slimmer (26.5 vs 27.3 mm). Weights are published on different bases (Convoy S21E: 88 g without battery; Fenix E28R V2.0: 128 g with battery), so they are not directly comparable.
Brightness and throw
The Fenix E28R V2.0 is rated at 1,700 lm; we have no published maximum for the Convoy S21E. Output for the Convoy S21E depends on the LED option chosen.
Battery
The Convoy S21E runs on a removable 21700 battery; the Fenix E28R V2.0 runs on removable 18650 / 2x CR123A batteries. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Price
When we checked on Nov 4, 2026, the Convoy S21E was from $27.99 at flashlightgo.com and the Fenix E28R V2.0 $64.95 at fenixlighting.com, so the Convoy S21E cost $36.96 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 Convoy S21E if you want a shorter light (4.6 mm shorter). On the specs we track, the Convoy S21E is ahead or level everywhere; the Fenix E28R V2.0 makes sense mainly if its price, interface or a feature we don't track suits you better. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Convoy S21E Check price ↗ Fenix E28R V2.0
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
S21E vs E28R V2.0 FAQ
Which is smaller, the Convoy S21E or the Fenix E28R V2.0?
The Convoy S21E is the shorter light: 116.4 mm (4.58 in) against 121 mm (4.76 in), a difference of 4.6 mm (4%). At its widest point the Fenix E28R V2.0 is 0.8 mm slimmer (26.5 vs 27.3 mm). Weights are published on different bases (Convoy S21E: 88 g without battery; Fenix E28R V2.0: 128 g with battery), so they are not directly comparable.
Which is cheaper, the Convoy S21E or the Fenix E28R V2.0?
When we checked on Nov 4, 2026, the Convoy S21E was from $27.99 at flashlightgo.com and the Fenix E28R V2.0 $64.95 at fenixlighting.com, so the Convoy S21E cost $36.96 less. Prices change often, so check the current price before you buy.
Do the Convoy S21E and Fenix E28R V2.0 use the same battery?
The Convoy S21E runs on a removable 21700 battery; the Fenix E28R V2.0 runs on removable 18650 / 2x CR123A batteries. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Compare Convoy S21E with similar lights
Compare Fenix E28R V2.0 with similar lights
More
Sources
- Convoy S21E: specs from manufacturer published specs as listed by flashlightgo.com. Drawing: outline from published specs. Price from $27.99 from flashlightgo.com, checked Nov 4, 2026; prices change often.
- Fenix E28R V2.0: specs from Fenix product page (manufacturer). Drawing: shape measured from manufacturer photo (batteryjunction.com), scaled to the published length and diameter. Price $64.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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