Acer 3000 1640 2300 4000 4060 4100 4500 BATTERY SQU-401  TESTED -- and found to hold little charge -- about 10 minutes -- more or less, we normally do not test batteries because of huge inventory turnover, but laptop came complete with operating system and we were able to briefly see it does not last long ATALL.  Suggested for light use or second spare battery. Bid with confidence. Actual picture --  Comes with 14 days  money back guarantee  Picures is actual item --- please look at the picture for the item you'll receive. However if actual picture is inconsistent with the description, then there's a mistake, please contact me first for clarification before you buy.    Thanks for looking! Actual picture -- if it is not mentioned as included, please assume it is not included.All items are used except indicated otherwise.