1.Nokia battery BL-4u is for 8800A/E66/6600S . 2.High capacity 1000Amh 3.voltage : 3.7V 4.Long cycle life 5.excellent safety control 6.long discharge time 7.long speaking time. 8.the price is quotated on basis of FOB shenzhen ,not including packing price and so on. 9.the price is available with 1 month. 10.mini order quantity : 1000pcs. 11.production time : 3-5days 12.payment term : TT or western union. 13.supply ability : 200000pcs/month.