Samsung NI2020 6600mAh/71Wh 9 Cell Li-ion 10.8V Black Compatible Battery Samsung NI2020 6600mAh/71Wh 9 Cell Li-ion 10.8V Black Compatible Battery Compatible for Samsung NI2020 Each battery was tested at an original laptop by the manufacturer. High Capacity Replacement battery with 1 year warranty. mwave is the only authorized reseller of mwave batteries. Expedited Shipping Available. Buy with Confidence