The solar battery is used to store solar energy and discharge power when needed.
Digital power controller is use to regulate power from the solar to the battery.
Solar battery is a dry cell  hence its service is long-term. 

• Solar Flood Light of 30W, 50W, 100W, 200W and 300W with High Brightness for Outdoor, it covers a large area while lighten up, bringing you 0 electricity bill.
• Dusk to Dawn, Auto turn on/off, use the easier way to control the lights after installation in a high position. The solar flood light will turn on the lights when the day is dark, and turn off the lights when day is dawn
• Solar Powered, Polysilicon material solar panel, it can convert up to 60% of the sunlight into electricity energy. Fast charging full charge in 6 hours in sunny days, cloudy weather are suitable for charging as well ,Providing an average of 6-8 hours continuous illumination time with full charge
• Remote Control: This solar flood light is controlled by upgrade wireless remote control and the remote control distance up to 27ft (8m), for auto modes, power saving mode, full bright mode, half bright mode, 3/5/8 hours timing model
• 【Full Power】:Provides 300 Watts full continuous power DC to AC power and 600 Watts peak power, featuring 2 AC outlets and USB ports; ideal for powering iPod, cell phones, laptops, speakers, cameras, neon lights, game consoles, mobile phones, iPad and other devices
• 【Easy to carry】: can be used for electricity needs during holidays, road trips, camping, etc. Featuring a universal cigarette lighter plug with long cable that plugs into almost any vehicle.
• 【Multi-Protection】: built-in 40 amps fuse to protect your device. Safe charging design provides protection against, overheating, under and over voltage charging, short circuiting
• 【Protection】: The thick alloy casing prevents the inverter from being dropped and impacted, and the high-speed cooling fan protects the inverter from overheating.

• Solar charge controller can automatically control the operation of the solar panel and battery in the solar system. It is easy to set up and operate. To protect the life of your battery, when the voltage of the battery drops below 8V, the solar controller automatically turns off (LCD is not available at the same time). It is a very smart unit for solar panel!

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