Pay-as-you-go solar power system Operation PrincipleEnd user pay money through bank account or cash. After payment, device dealer to generate a code by plafform page, Then send code to end user or just told the code to end user .End user set days timer with the code.

Keypad Pay Go Solar System Highlights：With the keypad, no matter where you installed the product, Mainland, island, or no mobile signal area, can be controlled by dealer. With smart software management to control all end user products. High technology, smart, easy management.