Through the following contents, you can learn more about 15W Portable Solar Power Pack:
1,  15W-Silicon solar panel with 20-year-lifespan;

2,  12V/ 14AH-Lead-acid battery with 3-year-lifespan. It can be fully-charged in 12 hours;

3,  With USB output to charge cell phones;

4,  With 4 LED light bulbs and they can work for 6-8 hours per day;

5,  With controller inside, anti-overcharge, anti-overdischarge, anti-short circuit;

6,  Size; 435x355x160mm, G.S: 10.4KG;

7,  Life-savers for hikers, campers, travellers, etc.