Amnergy New Battery For Acer Aspire One 725 Series 725-0488 AO725-0802 725-0899 AL12B32 AL12A31 AL12B31 AL12B32 AL12X32; 4 Cells 2500mAh 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.