... phone, mp3,mp4 and etc. 2. Our mini solar portable lamtern adopped constant voltage & constant current , ... battery power, always strong lighting. 3. LED battery power show, when power is up 40 ... %, LED color is green, bellow 40%, LED color is red.4. It has ... our solarlantern and traditional flashlight is that our solar lantern adopped astigmatism system, but traditional flashlight is ...