1)12V7AH DC Rechargeable Sealed Lead-Acid Battery 2)Overdischarge & Overcharge Protection by controller

1)12V7AH DC Rechargeable Sealed Lead-Acid Battery2)Overdischarge & Overcharge Protection by controller3)Indicative light of charging.Can charger by the AC Power or by the solar panel. 4)one electrical USB outlet of DC 5V  for the  moblie phone  to charge5) seven electrical outlet of DC 12V  for the 3W LED lamp or 12V DC fan or 12V DC TV to use6)one  input DC 17.5 for the solar panel  to contact to charge the battery                                                                                                     

7)Working time:more than 5 hrs for 2 lamps + 12' desk fan