Convoy S21D vs Convoy M21B
Quick take: The Convoy S21D costs $5 less; the Convoy S21D is brighter (2,500 vs 2,300 lm); the Convoy M21B throws farther (327m vs 228m); the Convoy S21D runs longer on high (3 vs 1.5 hrs).
| Spec | Convoy S21D | Convoy M21B |
|---|---|---|
| Price | $25 | $30 |
| Rating | 4.5★ (600) | 4.7★ (1,500) |
| Type | EDC | EDC |
| Lumens | 2,500 lm | 2,300 lm |
| Candela | 13,000 cd | 26,800 cd |
| Beam distance | 228m | 327m |
| Runtime | 3 hrs (high) | 1.5 hrs (high) |
| Battery | 21700 | 21700 |
| LED | SST-40 5000K | XHP70.3 HI 5000K |
| Beam type | Balanced | Balanced |
| Modes | 4 Stepped | 4 Stepped |
| UI | Biscotti | Biscotti |
| IP rating | IPX8 | IPX8 |
| CRI | 70 | 90 |
| Weight | 3.4 oz | 4.3 oz |
| Dimensions | 5.1 x 1.1 in | 5.6 x 1.4 in |
| Warranty | 1 Year | 1 Year |