Convoy S21E vs Olight ArkPro Lite size comparison
The Olight ArkPro Lite is 5.4 mm (0.21 in) shorter than the Convoy S21E, with about the same max diameter/width. Weights are published on different bases (with battery vs without battery), so compare them with care.
The Olight ArkPro Lite is 5.4 mm (0.21 in) shorter than the Convoy S21E, with about the same max diameter/width. Weights are published on different bases (with battery vs without battery), so compare them with care.
Dimensions
| Convoy S21E Check price ↗ | Olight ArkPro Lite Check price ↗ | |
| Length | 116.4 mm (4.58 in) | 111 mm (4.37 in)−5.4 mm |
| Head / width | 27.3 mm (1.07 in) | 27 mm (1.06 in)−0.3 mm |
| Body | 27.3 mm (1.07 in) | — |
| Thickness | — | 16 mm (0.63 in) |
| Weight | 88 g without battery | 105 g with battery |
| Battery | 21700 | Built-in |
| Max output | — | 1,200 lm |
| Throw | — | 94 m |
| Type | EDC | EDC |
| Price | from $27.99 at flashlightgo.com, as of Nov 4, 2026 | not verified yet |
| Source | flashlightgo.com sourced Output depends on LED option | olight.com sourced Dims from ArkPro series comparison table; output/throw from Battery Junction |
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
S21E vs ArkPro Lite: how they differ
Size and weight
The Olight ArkPro Lite is the shorter light: 111 mm (4.37 in) against 116.4 mm (4.58 in), a difference of 5.4 mm (5%). At their widest points they are about the same (27.3 vs 27 mm). Weights are published on different bases (Convoy S21E: 88 g without battery; Olight ArkPro Lite: 105 g with battery), so they are not directly comparable.
Brightness and throw
The Olight ArkPro Lite is rated at 1,200 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 Olight ArkPro Lite runs on a built-in rechargeable battery. Only the Convoy S21E lets you swap in a charged spare.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the Convoy S21E if you want a removable cell you can swap. Choose the Olight ArkPro Lite if you want a shorter light (5.4 mm shorter) 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 ↗ Convoy S21E Check price ↗ Olight ArkPro Lite
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
S21E vs ArkPro Lite FAQ
Which is smaller, the Convoy S21E or the Olight ArkPro Lite?
The Olight ArkPro Lite is the shorter light: 111 mm (4.37 in) against 116.4 mm (4.58 in), a difference of 5.4 mm (5%). At their widest points they are about the same (27.3 vs 27 mm). Weights are published on different bases (Convoy S21E: 88 g without battery; Olight ArkPro Lite: 105 g with battery), so they are not directly comparable.
Do the Convoy S21E and Olight ArkPro Lite use the same battery?
The Convoy S21E runs on a removable 21700 battery; the Olight ArkPro Lite runs on a built-in rechargeable battery. Only the Convoy S21E lets you swap in a charged spare.
Compare Convoy S21E with similar lights
Compare Olight ArkPro Lite with similar lights
More
Sources
- Convoy S21E: specs from manufacturer published specs as listed by flashlightgo.com. Price from $27.99 from flashlightgo.com, checked Nov 4, 2026; prices change often.
- Olight ArkPro Lite: specs from Olight product page (manufacturer). No verified price yet.
Found an error? Email [email protected] and we will fix it.