CWK 7800mAh 9 Cell Capacity Battery for Samsung NP355E4X NP355E5C NP355E5X NP355E7C NP355E7X NP350V5C-T02US NP355V5C-A02US NP365E5C-S01US NP550P5C-S02US NP350V5C-A03US NP355E5C-A01US NP3 Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 11.1 Volt (10.8 Volt compatible) Capacity: 7800mAh (Better than 6600mAh) 90 Day Money Back. Buy with confidence!