This Samsung RF511 laptop battery features the highest quality lithium-ion cells and components. You can expect about 2 hours to 3 hours of run time with this Samsung RF511 laptop battery when new, depending on your energy use. This Samsung RF511 battery also replaces the Samsung NP550 R420 R430 R470 R480 RV510 RV511 R519 R520 R530 R580 R730 Q320 series and also the NP365E5C family of laptops.

This Samsung RF511 battery is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.