CWK 7800mAh 9 Cell New High Capacity Battery for Samsung P430 P480 P510 P530 P560 P580 AA-PB9NC6B P230 P330 P428 P430 P480 P510 P530 P560 P580 NT-RV511 NP-R463 NP-R580H NP-Q230 NP-E3420 NP-R538 NP-R530 NT-RC520-S35L NT-RC520-S55L NT-RC520-S55S NT-RC520I NT-RC520-A35L NT-RC520-A35S NT-RC520-A55D NT-RC520-S33J Samsung NT-RC510 RC512 NP-RC512 RC518 NP-RC518 NT-RC518 NT-RC420-S35S NT-RC420-S56 NT-RC420I RC510 NP-RC510 NT-R428-DA43S NT-R428-DAD3S NT-R428-DAD4S NT-R428-DS03TH 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!