a. rechargeable Li-polymer battery b. stable performance c. nice price and quality d. pass RoHs & CE test e. battery-lamps 1. Appliance:Product Description:( street lamp)Apply to roads,squares plant communities and some open space for outdoor lightingInput(VAC)Power(W)Luminous Efficacy(lm/W)Color Temperature(K)Angle Color Rendering Property(Ra)Protection Grade 85~26550-120≥803000~750090°-160°≥ ...