Amnergy Battery for SONY VGP-BPS23/B VGP-BPL23 VAIO P VPCP1,VPCP115JC; 7.4V 2500mAH / 19WH Amnergy Brand Battery Is Designed Using the Best Cells and Latest Safety Features to Work as a Perfect Replacment for the Original Battery. Guaranteed to Meet or Exceed Original Specifications. Premium Quality, 100% OEM Compatible. Brand New, Protective Retail Packaging, Each Product is Sealed with Anti-Static Shield Sleeve. Lithium Ion (Li- ion) Battery, Rechargable with No Memory Effect.