DENAQ - Lithium-Ion Battery for Select HP and Compaq Laptops - Black

Power your HP or Compaq laptop with this DENAQ NM-587706-751 battery, which features lithium-ion chemistry and 10.8V of power for reliable recharging. Overload protection helps ensure safe power for your device.
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

Cardmember Offers


What's Included

  • Lithium-Ion Battery for Select HP and Compaq Laptops

Product Features

Designed for select HP and Compaq laptops

Including Compaq 320, Compaq 321, Compaq 325, Compaq 326, Compaq 420, Compaq 421, Compaq 425, Compaq 525, Compaq 620, Compaq 621, Compaq 625, HP 420, HP 421, HP 425 and HP 4320t models.

Also fits HP 620, HP 625, HP ProBook 4320s, HP ProBook 4321s, HP ProBook 4325s, HP ProBook 4326s, HP ProBook 4420s, HP ProBook 4421s, HP ProBook 4425s, HP ProBook 4520s and HP ProBook 4525s models.

Replaces select battery types

Including 587706-131, 587706-221, 587706-241, 587706-251, 587706-421, 587706-541, 587706-741, 587706-751, 587706-761, 593572-001, BQ350AA, BQ350AA#ABA, BQ350AA#AC3, HSTNN-CB1A, HSTNN-DB1A and HSTNN-DB1B models.

Also replaces HSTNN-I85C, HSTNN-I85C-3, HSTNN-I85C-4, HSTNN-I85C-5, HSTNN-I86C, HSTNN-I86C-3, HSTNN-I86C-4, HSTNN-I86C-5, HSTNN-IB1A, HSTNN-LB1A, HSTNN-Q78C, HSTNN-Q78C-3, HSTNN-Q78C-4, HSTNN-Q81C, HSTNN-Q81C-3 and more.

10.8V of power

Provides steady power to your laptop.

Product images, including color, may differ from actual product appearance.