solar controllers with lithium battery

Product Description

This is our newly R&D product. The core of the system is an integrated intelligent controlling and storage system with lithium battery.
 
Features (compared with the traditional lead-acid gel battery):
 

• Much longer battery life. ***5 years, 3 times of that of lead-acid gel battery.

• Much more working days. Lasting over *0 days with intelligent controlling variable lighting and weak light chargeable mode.
• Much lighter weight and smaller size of the integrated system. One third weight and size. The system can be fastened just under the solar panel (under *0W), saving the trouble of foundation-pit digging and anti-theft.

• No battery memory effect.

• No pollution.

• 3 years warranty.

• Cheap price. About the same price of the traditional solar light.