Ulanzi 40WPRO COB Fill Light Black L023

Ulanzi L23 Pro LED Lamp - WB (2500 K - 6500 K)

The Ulanzi L23 Pro LED lamp is a compact and powerful light source offering up to 50 W of output power. It features adjustable color temperature (2500 K - 6500 K) and a high CRI of 95 for excellent lighting quality.

Main Features

• Compact design, weighing only 490 g
• Built-in 3400 mAh battery for up to 3 hours of operation
• Two power options DC 19 V / 3.4 A outlet and USB-C port (PD 65 W)
• 8 preset special effects for creative lighting

Compact and Portable

The Ulanzi L23 Pro is easy to operate with one hand, making it ideal for fieldwork. With dimensions of 10.5 x 8.5 x 8.5 cm, it can fit in any backpack, offering mobility and flexibility.

Light Modifiers Included

Comes with a reflector (canopy) for focused light and a diffusion dome for even lighting. The Mini Bowens mount allows for easy installation of light modifiers.

Adjustable Color Temperature

You can adjust the color temperature from 2500 to 6500 K to suit different lighting needs or create specific atmospheres.

Multiple Applications

Perfect for photographers and video creators for various settings like product shots, portraits, vlogs, and video conferences.

Built-in Battery and Power Options

The 3400 mAh battery provides flexibility, and the lamp can be powered via DC 19 V / 3.4 A or USB-C port.

Special Effects and Installation

Offers 8 special effects and easy installation with a 1/4 thread for tripods and a Mini Bowens mount for light modifiers.

40WPro video light
The Ulanzi 40WPRO COB Fill Light Black is a compact but powerful 40W Bi Colour LED fill light. This pocket sized lamp has an adjustable colour temperature from 2500 to 6200K, a separate dimming function from 0 to 100% and an operating time of up to 50 minutes at the maximum output of 50W (Overclock mode). Weighing only 1 pound, this cube lamp can be easily held in the hand or mounted on a stand via the 1/4 20 threaded hole. 


Highlights

Bi Colour COB lamp beads with high brightness ensure constant output
Handy and easy to hold
Built in 3400mAh battery
Colour temperature ranging from 2500 6500k, CRI reaches 95+
Comes with 8 preset light scene effects

Built in battery
The built in 3400mAh high capacity battery supplies power to the lamp, which can be used without being plugged in. The lamps battery charges in three hours and lasts up to three hours depending on the brightness level. With DC and Type C charging ports, 65W PD supports fast charging. A mini diffuser is also included to soften the light, which can be attached via a mini Bowens mount.


Tips:

When charging with the DC port or Type C port during use, the maximum power of the light is 40W. Make sure your charger and charging cable support charging with PD up to 65W. The charging cable is sold separately.
The main difference between the Ulanzi L023 40W Pro and LT028 40W Light is that the 40W Pro Light has a 50W overclocking mode and supports Type C charging. All other features are the same.
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Model: L023 40W Pro
Dimensions (without reflector): 10.5 x 8.5 x 8.5 cm
Weight (without reflector): 490 g
Lamp beads: Bi colour COB lamp bead
Colour rendering index (CRI): 95
Colour temperature (CCT): 2500K 6500K
Lumen efficiency (with reflector): 13150 lux (at 6500K, 0.5 metres)
Beam angle: 120
Charging port: DC 19V/3.4A, Type C PD 65W
Power (normal mode): 40W
Max output power (overclocking mode): 50W
Max burn time brightness (50W): 50 minutes
Max. power on time brightness (40W): 70 minutes
Minimum brightness duty cycle: 180 minutes
Battery: 14.8V/3400mAh (50.3Wh)
Charging time: about 3 hours
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1 x Ulanzi 40WPRO COB Fill Light Black
1 x Reflector
1 x Diffusion Dome 
1 x Velvet Bag
1 x User guide