This Sale Is For One Fully Tested Not Fake nor Aftermarket Battery Report is shown in picture after each battery GENUINE 57 + ~ 6 CELL Lenovo ThinkPad L440 * L540 * T440p * T540p * W540 Series Battery FRU PN :45N1149 ASM P/N :45N1148 10. 8 V ~~~ 5.2 Ah {57Wh} These batteries are Genuine Lenovo {not Fake nor Aftermarket} removed from Display Machines and before removed the battery report was generated by the Lenovo Vantage App and showed Designed Capacity 56.16Wh and Full Charge Capacity 55.77Wh cycle count 10 13 (at least 98% or more of its original capacity left) also shown is the serial number of the battery that is on the Bar Code. Please see pictures of the battery report that is shown after each battery. The serial number will be recorded and sent with the tracking information before shipping. In the event of any DOA/Defective Battery (please do not keep it for 30 days return) please contact me within 48 hours after date of receipt and return it within 5 business days for replacement of refund no exceptions. Item will be shipped the next business day after payment is received If for any reason you are not satisfied, please contact me first through "Message " or Contact Seller on the Transaction Drop Down Box" to resolve any issue before opening a Return Item Case or leaving Negative or Neutral Feedback. Customer satisfaction is very important to me Track Page Views With Auctiva's FREE Counter