Specifications: 6 Cell, Li-ion battery, Rated at 11.1V(10.8V Compatible) 5200mAh Compatible Models: Acer Aspire One d270-1865 AO722-0418 AO722-0667 AO722-BZ848 AOD257-13404 D255-1268 D255-2929 D255E-13849 D255E-13865 D257-1633 D260-2380 D270-1410 D55E P1VE6 Compatible Part Numbers: AK.003BT.071,AK.006BT.074,AL10A31,AL10B31,AL10G31,BT.00303.022,BT.00603.114,LC.BTP00.129,LC.BTP0A.007,LC.BTP0A.019 All ASUNCELL Products are CE- RoHS- FCC- Certified and Built-in circuit protection ensure both safety and stability; Strict guidelines for compatibility, and standards compliance for environmental safety