Photovoltaic Power Generation Experiment Box

We are offering photovoltaic power generation experiment box.
A. solar panel: absorb solar radiation and create electricity;
b. battery: store electricity and discharge upon insufficient sunlight;
c. controller: control the charging or discharging process of whole system;
d. dc load: use to demonstrate discharging process of system with output dc 12v;
e. fuse: over current protection for each unit;
f. switch: master switch, change the status of charging and load, dc load output control;
g. s1, s2, s3: to change measuring mode (digital display or by multimeter);
h. potentiometer: to adjust current of load and provide analog load to solar panel;
i. test sockets: to connect with multimeter (red: positive; black: negative; blue: current test);
j. digital meter: to display live voltage and current;
k. leakage protector: to provide security of ac output;
l. six-hole socket: to connect with external appliance with small power;
m. ac output: ac100v60hz or ac220v50hz