Adjustable Runtime
If you need powerfully bright illumination right away, you can set your Pro 400 to its Turbo mode for five hours of bright, 400 lumen light. To conserve power and make the most of a single charge, its Normal mode features twelve hours at 100 lumens, and its Low Power mode for up to a hundred hours at 25 lumens.
Smart Mobile Charging
The Pro 400 features a universal, 5 volt USB port and is equipped with several phone adapters, so you can charge practically any type of mobile phone with solar power.
Extensive Battery Life
Even with daily use and charging, the Pro 400 battery typically lasts 5 years, a 50% improvement over previous Sun King lanterns.
What's In The Box

Product Specifications
LED
Power LED with 400 Lumens
Solar Panel
5.5 Watt, polycrystalline solar panel with aluminum frame and a 5 meter cable.
Battery
5100 mAh NMC Battery
Battery Indicator
While in use, digital LED meter displays remaining battery power
Charging Indicator
Displays the charging status of the lantern
USB Mobile Charging
Equipped with a universal 5 volt USB phone charging port to enable connectivity on the go. Also, comes with several phone adapters, users can charge nearly any type of mobile phone.
Power Control
Battery management technology auto-switches to low-power mode when battery is running dry, yielding 5 hours of additional light.
Light Modes
3 different light modes for various needs
Enclosure
Rugged ABS and polycarbonate plastic. Keep away from water. In case of rain exposure, please dry the unit under sunlight.