a. rechargeable Li-polymer battery b. stable performance c. nice price and quality d. pass RoHs & CE test e.battery and lamp We are a battery factory in China and wildly cooperate with famous led lamp company. 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) ...