Get from Amazon.com : https://www.amazon.com/gp/product/B00A7MBOMY?tag=bromabakery0d-20
Superb Choice 9cell Laptop Battery for ACER Aspire 5250 Aspire 5251 Aspire 52511005
Product Description :
Type Li-Ion Voltage108V Capacity6600mAh9 cells
1 year replacement warranty30-day refund guarantee after the purchase
High Capacity Replacement battery
Each Superb Choice battery was tested at an original laptop by the manufacturer
If your original battery is a 6-cell battery this 9-cell battery has much higher capacity and works longer hours after each charge However it is bigger heavier and sticks out due to the extra 3 cells It will still fit in your laptop