Emisar Lights · Emisar D4K
Emisar D4K Nichia 519A 4500K High-CRI Quad EDC
Nichia 519A 4500K provides exceptional color accuracy (R9 > 80) and neutral tint without green shift. Easily dedomed for warmer (~3400K) CCT and rosy tint (~ -0.005 DUV).
At a glance
Key specifications
How it works
Controls & interface
2CDirect high / turbo1HDirect floor / moonlight3CBattery check4CElectronic lockout5CMomentary mode3HStrobe / mood modes7C/7HAux LED pattern / colorPerformance behavior
Output & regulation
- 30-second output
- 3200 lm
- 5-minute sustained
- 800 lm
- Driver
- Hybrid
- Regulated levels
- Yes
- Thermal control
- Temperature feedback
- PWM
- Not detected / listed
Constant-current linear driver on lower/mid modes with direct FET turbo drive on high modes. Optional 2A boost driver upgrade available for full regulation across all battery levels.
Deep specs
Technical details
Structured fields used by the database and comparison tools.
Beam & emitter
- Optic
- TIR
- Head diameter
- 28 mm
- Emitter
- Nichia 519A ×4
- CCT
- 4500K
- CRI
- 95
- R9
- 80
Nichia 519A 4500K provides exceptional color accuracy (R9 > 80) and neutral tint without green shift. Easily dedomed for warmer (~3400K) CCT and rosy tint (~ -0.005 DUV).
Battery & charging
- Cell
- 21700
- Battery included
- No
- Proprietary cell
- No
- Onboard charging
- None — external charger
- USB-C to C
- No / not listed
- Low-voltage protection
- Yes
Size & construction
- Length
- 103 mm
- Head diameter
- 28 mm
- Weight
- 68 g
- Body
- aluminum
- Finish
- Type III hard-anodized
Carry & enthusiast features
Manufacturer / source data
Runtime claims
| Mode | Output | Runtime | Regulation |
|---|---|---|---|
| Floor / Moonlight | 1 lm | 300:00 | Regulated |
| Mid (Ramp 65/150) | 350 lm | 8:00 | Regulated |
| High (Ramp 120/150) | 1200 lm | 2:00 | Regulated |
| Turbo (FET) | 3800 lm | 1:00 | Unregulated |
Standard linear+FET driver provides regulated current on lower steps and raw FET burst on Turbo. Dynamic thermal regulation adjusts output to keep temperature at configured limit (default 45°C). RGB aux LEDs indicate battery voltage when idle. Exposed re-flashing pads on driver PCB allow easy firmware updates via pogo-pin adapter.
Price & availability
Where to buy
Typical price: €58
Trace the data
Sources & technical references
Use the original sources for context, revision details and methodology.