(A) Solar-crank-reading- lamp
It can be charged in three ways:
1: Charged in the sun;
2: By hand-cranking;
3: By USB connecting to the computer.
4. Solar panel (non- crystal) 4V70mA
Charged in the sun for 8-10 hours, It can work for 4-5 hours in strongest brightness.

(B)Solar-Lantern lamp
1. 6V48mA (0.3W)
2. Charged in the sun for 8 hours, it can be used for 4hours in the strongest brightness, then last for 10hours. It takes 14 hours to Fully charge it, and can be used for 6 hours in the strongest brightness, then last for 15 hours.