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Sofirn SP40 vs Sofirn HS40

Quick take: The Sofirn SP40 costs $3 less; the Sofirn HS40 is brighter (2,000 vs 1,200 lm); the Sofirn HS40 throws farther (184m vs 173m).

SpecSofirn SP40Sofirn HS40
Price$25$28
Rating——
TypeHeadlampHeadlamp
Lumens1,200 lm2,000 lm
Candela7,500 cd8,500 cd
Beam distance173m184m
Runtime2 hrs (high)2 hrs (high)
Battery1865018650
LEDLH351D 5000KSST-40 5000K
Beam typeFloodFlood
Modes4 Stepped4 Stepped
UISimpleSimple
IP ratingIPX8IPX8
CRI9070
Weight2.2 oz2.5 oz
Dimensions4.1 x 1.0 in4.2 x 1.1 in
Warranty1 Year1 Year

What owners report

Sofirn SP40

  • ✓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  • ✗Superseded by newer Sofirn headlamps with USB-C and better emitters

Sofirn HS40

  • ✓Ships with both 18650 and 18350 tubes — long runtime or light on the head
  • ✓Buck driver with better regulation than earlier Sofirn headlamps
  • ✓USB-C port sits nearly flush under its plug
  • ✓Simple interface with nothing to learn
  • ✓Right-angle body works as a headlamp and as a work light
  • ✗The button is on the end rather than the side, so no pinch activation
  • ✗Less independently reviewed than Sofirn's headline headlamps
  • ✗No high-CRI option in the standard configuration
  • ✗18350 tube trades most of the runtime for the weight saving
  • ✗Basic feature set with no secondary emitter