... , made by Foxconn 2, Large capacity with build-in battery The product is a multi-purpose solar charger. It has good performance under weak ... to the thin-film solar panels inside. The built-in high capacity and high quality rechargeable polymer lithium battery, ensure safety under stronge ... , yellow, blue and green mean 25% , 40% , 70%, 100% of battery remaining. smart mobile solar power solar charger