Amnergy&reg; New Battery For IBM Lenovo ThinkPad X220 X220i X220s X230 X230i X230s 0A36282 42T4861 42T4862 42T48655200mAh 6 Cells 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.