Convoy S21D vs Convoy L21B
Quick take: The Convoy S21D costs $5 less; the Convoy S21D is brighter (2,500 vs 1,100 lm); the Convoy L21B throws farther (1549m vs 228m); the Convoy S21D runs longer on high (3 vs 2 hrs).
| Spec | Convoy S21D | Convoy L21B |
|---|---|---|
| Price | $25 | $30 |
| Rating | — | — |
| Type | EDC | Thrower |
| Lumens | 2,500 lm | 1,100 lm |
| Candela | 13,000 cd | 600,000 cd |
| Beam distance | 228m | 1549m |
| Runtime | 3 hrs (high) | 2 hrs (high) |
| Battery | 21700 | 21700 |
| LED | SST-40 5000K | Osram CULPM1 |
| Beam type | Balanced | Throw |
| Modes | 4 Stepped | 4 Stepped |
| UI | Biscotti | Biscotti |
| IP rating | IPX8 | IPX8 |
| CRI | 70 | 70 |
| Weight | 3.4 oz | 10.5 oz |
| Dimensions | 5.1 x 1.1 in | 6.5 x 2.4 in |
| Warranty | 1 Year | 1 Year |
What owners report
Convoy S21D
- ✓Quad Nichia 519A — very high CRI with a rosy tint owners rave about
- ✓Wide, even flood that's ideal for walking and close work
- ✓Excellent finish with horizontal grooving for grip
- ✓Easy to open and access, which suits modding
- ✓Convoy pricing, with Simon's legendary parts support
- ✗Turbo is less impressive than a quad implies, and runs very hot
- ✗Pure flood disappoints buyers expecting a hotspot
- ✗One reviewer's modes misbehaved until the bezel was backed off slightly
- ✗No onboard charging
- ✗Buying means AliExpress with no manual
Convoy L21B
- ✓Around 1,300 m of measured ANSI throw — best in class at the price
- ✓SFT-40-W domeless emitter that handles 10+ amps
- ✓Capable 8-amp buck driver borrowed from a higher-end design
- ✓Stable tailstand
- ✓Convoy's informal but genuinely responsive parts-and-repair support
- ✗Body texturing isn't aggressive — slippery in the wet
- ✗Only a basic lanyard included for carry
- ✗No charging, and cells with built-in charging won't fit
- ✗Protected 21700s are too long
- ✗Biscotti interface is basic compared with modern firmware