... optional4.size:optional5.Solar panel: 2V/4V120mA,140mA,180mA(optional)6.Rechargeable battery: 1.2V1200mA/1500mA/1800mA.optional7. Full charged Working ... time: about 15hrs8.Charging time: 6-8hrsMain Features: 1. New design, powered by solar energy, ... for using in garden, bar, restaurant and any outdoor party.6. High quality & reasonable price7. ROHS & CE passed,passed ...