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Emisar DW4 vs Emisar D4V2 21700

Quick take: The Emisar D4V2 21700 costs $5 less; the Emisar D4V2 21700 throws farther (210m vs 144m); the Emisar D4V2 21700 runs longer on high (2 vs 1 hrs).

SpecEmisar DW4Emisar D4V2 21700
Price$55$50
Rating——
TypeHeadlampEDC
Lumens4,500 lm4,500 lm
Candela5,200 cd11,000 cd
Beam distance144m210m
Runtime1 hr (turbo)2 hrs (turbo)
Battery1865021700
LEDNichia 519A 4500KNichia 519A 4500K
Beam typeFloodFlood
ModesRamping + SteppedRamping + Stepped
UIAnduril 2Anduril 2
IP ratingIP67IP67
CRI9595
Weight2.8 oz3.5 oz
Dimensions3.9 x 1.3 in4.3 x 1.2 in
WarrantyManufacturer LimitedManufacturer Limited

What owners report

Emisar DW4

  • ✓Owners in caving, mine exploration and search and rescue call it flawless
  • ✓Light enough to wear on a helmet for hours
  • ✓Boost driver gives good efficiency and regulated runtime
  • ✓Choice of optics and emitters, as with every Emisar
  • ✓CNC-machined aluminium with trapezoid threads and factory lubrication
  • ✗No USB-C charging or reverse charging — the cell comes out
  • ✗Takes unprotected flat-top 21700s only
  • ✗Protected and button-top cells won't fit at all
  • ✗Ordering goes through a small-batch supplier with long lead times
  • ✗Anduril's configuration menus are steep for a first enthusiast light

Emisar D4V2 21700

  • ✓More thermal mass than the 18650 version — turbo lasts meaningfully longer
  • ✓Substantially more capacity from the 21700 cell
  • ✓Same configure-to-order emitter, tint, material and switch menu
  • ✓Anduril, with aux LEDs under the optic
  • ✓Long-term owners report excellent build and no reliability problems
  • ✗Noticeably larger and heavier than the 18650 version
  • ✗No onboard charging on most configurations
  • ✗Anduril's configuration menus are bewildering at first
  • ✗Ordering means intl-outdoor with long shipping times
  • ✗Still gets hot on turbo, just less quickly