This brand new Samsung replacement laptop battery features lithium-ion cells. Li-ion battery technology provides longer run times with less weight. In addition, Li-ion batteries are not subject to the memory effect common with older battery technology.

This Samsung RV520 battery is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.

You can expect about 2 hours to 3 hours of run time with this Samsung RV520 battery when new, depending on your energy use.

This Samsung RV520 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 laptop batteries and a host more which are listed at the extreme bottom of this web page.