Sofirn SP40A vs Convoy H4
vs
Quick take: The Sofirn SP40A costs $0.6099999999999994 less; the Convoy H4 is brighter (2,000 vs 1,200 lm).
| Spec | Sofirn SP40A | Convoy H4 |
|---|---|---|
| Price | $25 | $25.61 |
| Rating | — | — |
| Type | Headlamp | Headlamp |
| Lumens | 1,200 lm | 2,000 lm |
| Candela | 4,620 cd | 0 cd |
| Beam distance | 136m | |
| Runtime | 2 hrs (high) | |
| Battery | 18650 | 21700 |
| LED | LH351D 5000K | Buyer's choice: Nichia 519A R9080, SST40, XHP50.2, B35AM R9080 |
| Beam type | Flood | Flood |
| Modes | 4 Stepped | Ramping + Stepped |
| UI | Simple | Side e-switch |
| IP rating | IPX7 | IPX4 |
| CRI | 90 | 90 |
| Weight | 2.2 oz | 2.9 oz |
| Dimensions | 4.25 x 1.0 in | 4.5 x 1.0 in |
| Warranty | 1 Year | Not stated |
What owners report
Sofirn SP40A
- ✓Magnetic base turns it into a stick-anywhere work light off the headband
- ✓Aircraft-grade aluminium with machining quality well beyond the price
- ✓Four genuinely useful brightness levels, with a very bright 1,200 lumen turbo
- ✓Headband comfort improved over earlier Sofirn models
- ✓Long-standing reputation as the best-value 18650 headlamp with onboard charging
- ✗Micro-USB charging rather than USB-C — the clearest sign of its age
- ✗Output is unregulated and tracks the cell voltage down
- ✗No strobe or SOS mode at all
- ✗The head strap is thinner than premium brands'
- ✗Superseded by newer Sofirn headlamps with USB-C and better emitters

