100% Brand New.1)Battery Cover : *100% Brand New Battery Back Cover For LG Esteem.* Keep your cell phone look new.* Size: perfect fit.* Colour: Black .2)3900mAh Extended Battery :* Brand: AceSoft* Excellent quality battery For LG Esteem.* This battery has an integrated microchip that prevents overcharging and lengthens battery life.* Cell type: Lithium Ion.* Voltage: 3.7V.* Capacity : 3900mAh.* This Battery could also be charged in the phone directly thru the cell phone charger.