The Nitecore LR40 is a retro-style camping lantern that can be set up or hung. It features a 4000mAh Li-Ion battery that is charged via a USB-C port and can also be used as a power bank through a USB-A port. The lantern offers both white and warm white light, with the option to mix the two colors. Brightness is continuously adjustable, and a battery level indicator shows the current charge status. The maximum brightness of the Nitecore LR40 is 100 lumens.

Performance and runtime (warm white):

• Minimum (15 lumens) for approximately 45 hours
• Maximum (80 lumens) for approximately 15 hours

Performance and runtime (white):

• Minimum (15 lumens) for approximately 38 hours
• Maximum (50 lumens) for approximately 10 hours

Performance and runtime (mix):

• Minimum (10 lumens) for approximately 65 hours
• Maximum (100 lumens) for approximately 8 hours.