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Dell Inspiron 1520 1521 1720 1721 Vostro 1500 Long Run Battery

Dell Vostro 1500 Inspiron 1520 1521 1720 notebook battery
Dell Inspiron 1520 1720 and Vostro 1500 1700 Battery

List Price: $129.99
Our Price: $89.90

Availability: Usually Ships in 24 Hours
Product Code:


9 Cell Replacement Battery for Dell Inspiron 1520 1521 1720 1721 and Vostro 1500 1700

Does your Dell Inspiron laptop not last as long as it used to? Do you count your battery life in minutes, not hours? Revive your laptop's life with a brand new replacement Dell Inspiron 1520 battery from Laptop Battery Express. We use the highest quality lithium-ion battery cells that charge faster and last longer.

This extended run Dell Inspiron 1720 battery will last 50% longer than the original battery and can run up to 5 hours in between charges. Because there are 3 additional li-ion cells (9 total), this battery will be physically larger than the original and will protrude slightly from the rear of the laptop. Every battery is 100% compatible with the original battery specifications. Each battery is tested and backed by a 2 year warranty and 30-day money back return.

This battery is compatible with the Dell Inspiron 1520, 1521, Inspiron 1720, 1721 and Dell Vostro 1500 and 1700 models. And compatible with 312-0589, 312-0576, 310-0590 part numbers. Additional compatible Dell laptop models and battery part numbers are listed. Don't see your model or part number listed? Go to our Dell laptop batteries page for the full catalog or call our tech support. Chances are we have it!

  • Brand:
  • Voltage:
  • Battery Capacity:
  • Battery Type:
  • Cell Origin:
  • Color:
  • Warranty:
  • Guarantee:
  • Useful Life:
  • Xtend
  • 11.1 Volts
  • 7800 mAh or
  • 9 Cell Li-ion (6 cell available here)
  • Samsung (South Korea)
  • Black
  • 2 Year Warranty
  • 30 day full satisfaction guarantee
  • 300-500 recharge cycles

Not all computer batteries have the same capacity and run times. The higher capacity battery cells inside this cartridge have an energy capacity of 7800 mAh. These are the highest capacity Li-ion batteries on the market today and superior to batteries rated at 4400 & 5200 mAh. This battery will deliver up to 60% more run time than cheaper 6 cell versions.

This battery replaces the Dell Inspiron 1520, 1521, 1720, 1721 & Vostro 1500, 1700 series laptop batteries and additional machines which are listed at the extreme bottom of this web page.

Replaces these Dell laptop battery part numbers


Laptop Battery Express only deals with brand new premium computer batteries. We never carry recycled or used batteries. We only use the highest quality cells inside the battery pack so you will have a long service life (300-500 recharge cycles). We do not use cheaper battery cells which can wear out in a little as 6 months. Our inventory turns rapidly and you will always receive a freshly manufactured battery.

Video description of battery

Compatible Laptop Chargers:
AC adapter for Dell laptops 19.5v, 4.62A, 7.4mm - 5.0mm
Our Price: $49.00

PA10 dell ac adapter 310-2862 310-3399 310-4002 310-7698 310-7699 FF313

Compatible with the following models:

Dell Laptop Batteries > Inspiron > Inspiron 1520
Dell Laptop Batteries > Inspiron > Inspiron 1720
Dell Laptop Batteries > Vostro > Vostro 1500
Dell Laptop Batteries > Vostro > Vostro 1700
Dell Laptop Batteries > Inspiron > Inspiron 1521
Dell Laptop Batteries > Inspiron > Inspiron 1721