CWK New Replacement Laptop Notebook Battery for Samsung RF710-S02US RF710-S03AU RF710-S06 NP-RF712 NT-RF712 NP-RF512 NP-R540E NP-RC510 NP-RF510-S02US NP-R518 NP-R518H NP-R520 NP-R520H NP-R522 NP-R522H NP-R530 NP-RC512 NP-RV720E NP-Q310 NP-Q320 AA-PB9NS6B Samsung NP-R780E NP-R440E NP-R730CE NP-RV510 R610 bater?a NP-RV510-A09UK NP-RV510I NP-RV511 NP365E5C-S03US NP365E5C-S01US NP365E5C-S02US NP365E5C-S03US NP300E5C-A0CUS NP300E5C-A0AUS NP300E5C-A0DUS NP300E5C-A0BCA Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 11.1 Volt (10.8 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!