This is a brand new Dell U661H battery for select Vostro 1310 1320 1510 1511 1520 and 2510 models.

This Dell U661H battery uses the most premium Lithium-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 Dell U661H battery is rated 5200 mAh and will normally last 2.5-4 hours on a full charge.

Laptop Battery Express is a US based business with knowledgeable support staff to assist you before and after the sale. Yes, we have a phone number and real people answer your call! Free technical support is available if you need additional help in diagnosing power problems with your battery, ac power adapter or battery meter software.

All our products carry a full 2 Year warranty and every battery is charged and tested before it ships. We provide a 30 day money back guarantee if you are not completely satisfied.

You can expect about 2 hours to 2-1/2 hours of run time with this Dell U661H battery when new, depending on your energy use. If you are looking for even longer battery run times, check out our DELL-89XT.