CWK New Replacement Laptop Notebook Battery for Samsung NP-RV510-A05US NP-RV515-A02US NP-RV711-A01US RV408 RV410 RV411 RV415 RV420 RV508 RV510 RV511 RV515 R528 R540 R620 R720 R730 E251 E272 E3415 E3420 E3520 AA-PB9NC6B 350V5C-S08 305E7A-S08 350E7C AA-PB9NC6B Samsung Rf510-S05 Rf511 Rf511-S03Au R590-Js02Uk R590-Js03Pl R590E R525 R530 NP300E7A-A03UK R520H R522 R522H R528 R530Ce R520/R520-Aura/R522 /R522-Aura AA-PB9NC6B Samsung R430 R468 R519 R519-Aura 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!