Amnergy&reg; New Battery For Toshiba Satellite L855D-S5220 L855D-S5242 L855-S5112 L855-S5113 L855-S5119 L855-S5121 L855-S5136 L855-S5136NR L855-S5138NR L855-S5155 -9 Cells 7800mAh 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.