Replace your worn out battery with a brand new Dell RU573 battery. This RU573 battery is compatible with the Dell Inspiron 1525, 1526, 1545, 1546 and 15 Series laptop models. It is also compatible with the Dell GW240, RN873 and X284G part numbers. Additional compatible Inspiron battery part numbers and models are listed below.

We use the highest quality lithium-ion cells that charge faster and last longer. We're so confident in the quality of our laptop batteries that each one is backed by a 2 year warranty and 30 day guarantee.

This RU573 battery contains the very best Li-ion cells on the market from Samsung. An important specification to look for with rechargeable batteries is the mAh (mili amp hour) rating or Whr (Watt Hour). This battery is rated at 5200 mAh or 58 Whr. This is the highest rating available for a 6 cell battery pack. The higher the mAh rating, the longer your battery will run before it needs to be recharged again.

You can expect about 2 hours to 3 hours of run time with this Dell RU573 battery when new, depending on your energy use. If you are looking for even longer battery run times, check out our extended run battery for your Dell laptop (our DELL-83XT). The higher capacity battery cells inside this cartridge have an energy capacity of 5200 mAh. This battery will be compatible with batteries rated at 4400 & 4800 mAh capacities while providing up to 20% more run time.