Appliances Memorial Day SaleFree delivery. Ends 6/3. Terms apply.Shop now

Skip to content Go to Product Search

Yardbird Best Buy Outlet Best Buy Business

Gift Ideas
Top Deals
Deal of the Day
My Best Buy Memberships
Credit Cards
Gift Cards
Best Buy Business
Discover

Order Status
Saved Items

Main Content

Deals
Support & Services
Brands
Shop by Department

Deals
Support & Services
- Visit our Support Center
- Repair & Tech Services
- Remote Support
- Manage an Appointment
- Trade In Your Device
- Check Repair Status
- Best Buy Brands Support
- Best Buy Business Professional Services
- Learn About Services by Category
- Protection & Support Plans
- Additional Services
Brands
- Apple
- ASUS
- Beats
- Dell
- GE
- HP
- Lenovo
- LG
- Meta
- Nintendo
- Samsung
- Sony
- All Brands
- Best Buy Brands
Discover
Shop by Department
- TV & Home Theater
  - Explore TV & Home Theater
  - Learn About RGB LED TVs
  - TVs by Size
  - TVs by Brand
  - TVs by Type
    - All Televisions
    - Top TV Deals
    - TVs Under $500
    - Learn About RGB LED TVs
    - OLED TVs
    - Smart TVs
    - 4K TVs
    - QLED TVs
    - Frame TVs
    - Mini-LED TVs
    - Gaming TVs
    - Services & Support
      - TV Mounting & Installation
  - All Sound Bars & Home Audio
    - Explore Sound Bars & Home Audio
    - Sound Bars
    - Home Theater & Stereo Systems
    - Speakers
    - Receivers & Amplifiers
    - Premium Audio
    - Services & Support
      - TV & Home Theater Services
  - Projectors & Screens
  - Blu-ray & DVD Players
  - Streaming Devices
  - Home Theater Accessories
  - Premium TV & Home Theater
  - Deals & Outlet
  - Services & Support
  - Best Buy for Business
  - Featured
- Computers & Tablets
- Appliances
  - Explore Appliances
  - Major Kitchen Appliances
  - Small Kitchen Appliances
  - Luxury Kitchen Appliances
  - Washers & Dryers
  - Vacuums & Floor Care
  - Heating, Cooling & Air Quality
  - Appliance Packages
  - Shop by Brand
  - Small Space Appliances
  - Appliance Parts & Accessories
  - Deals & Outlet
  - Services & Support
    - Delivery, Installation & Repair
    - My Best Buy Memberships
  - Featured
- Small Kitchen Appliances
- Video Games
- Cell Phones
  - Explore Cell Phones
  - Cell Phone Accessories
  - Unlocked Phones
  - iPhone
  - Samsung Galaxy
  - Google Pixel
  - Motorola
  - Verizon
  - AT&T
  - Prepaid Phones & Carriers
  - SIM Cards
  - Deals & Outlet
  - Services & Support
    - Cell Phone Services
    - Apple Authorized Service & Repair
  - Featured
- Headphones
- Home Audio & Speakers
- Music, Movies & TV Shows
- Cameras, Camcorders & Drones
  - Explore Cameras, Camcorders & Drones
  - Cameras & Lenses
  - Action Cameras & Camcorders
  - Content Creator Gear
  - Camera Accessories
  - Drones
  - Binoculars, Telescopes & Optics
  - Shop by Brand
  - Deals & Outlet
    - Camera, Camcorder & Drone Deals
    - Cameras, Camcorders & Drones Outlet
  - Featured
    - Shop with a Camera Expert
- Wearable Technology
  - Explore Wearable Technology
  - Apple Watch
  - Samsung Galaxy Smartwatches
  - Smartwatches
  - Fitness Trackers & Accessories
  - Smart Rings
  - Smart Glasses
  - Headphones
  - Virtual Reality
  - Shop by Brand
  - Wearable Technology Accessories
  - Deals & Outlet
    - Wearable Technology Deals
    - Wearable Technology Outlet
  - Featured
- Fitness, Sports & Outdoors
  - Explore Fitness, Sports & Outdoors
  - Exercise & Fitness Equipment
  - Water Sports Equipment
  - Sports Gear & Equipment
  - Kids' Sports & Outdoor Play
  - Camping Gear
  - Electric Transportation
  - Biking
  - Game Room
  - Yard Games
- Sports Fan Shop
- Health, Wellness & Personal Care
  - Explore Health, Wellness & Personal Care
  - Home Health Care
  - Personal Care & Beauty
  - Workout Recovery
  - Sleep Solutions
  - Baby Care
  - Wearable Tech
  - Contrast Therapy: Hot & Cold Therapy
  - Exercise & Fitness Equipment
  - Muscle Pain Relief & Workout Recovery
  - Explore Hearing Solutions
  - Deals & Outlet
  - Services & Support
    - Shop with a Fitness Expert
- Home, Furniture & Office
- Smart Home, Security & Wi-Fi
  - Explore Smart Home, Security & Wi-Fi
  - Wi-Fi & Networking
  - Security Cameras & Surveillance
  - Smart Doorbells
  - Smart Door Locks
  - Home Security Systems
  - Smart Speakers & Displays
  - Smart Lighting
  - Smart Thermostats
  - Smart Plugs & Outlets
  - Smart Devices
  - Deals & Outlet
    - Smart Home, Security & Wi-Fi Deals
    - Smart Home, Security & Wi-Fi Outlet
  - Services & Support
  - Featured
    - Smart Home Tips & Tricks
    - Home Wi-Fi Networking Tips
- Outdoor Living
  - Explore Outdoor Living
  - Grills & Accessories
  - Outdoor Kitchens
  - Outdoor Heating
  - Outdoor Power Equipment
  - Outdoor Home Theater
  - Outdoor Lighting
  - Patio Furniture
  - Lawn & Garden
  - Generators & Backup Power
  - Sheds & Outdoor Storage
  - Deals & Outlet
    - Outdoor Living Deals
    - Outdoor Living Outlet
  - Services & Support
  - Featured
- Electric Transportation
  - Explore Electric Transportation
  - Electric Bikes
  - Electric Scooters
  - Hoverboards
  - Electric Car Chargers
  - Kids' Scooters & Ride-Ons
  - Safety Gear & Accessories
  - Deals
    - Electric Transportation Deals
  - Featured
- Car Electronics & GPS
  - Explore Car Electronics & GPS
  - Car Audio
  - Auto Care & Cleaning
  - Auto Tools & Equipment
  - Car Security & Convenience
  - Back-Up & Dash Cameras
  - Electric Car Chargers
  - GPS Navigation
  - Marine & Powersports
  - Installation Parts & Accessories
  - Deals & Outlet
    - Car Electronics Deals
    - Car Electronics & GPS Outlet
  - Services & Support
    - Car Electronics Professional Installation
    - My Best Buy Memberships
- Toys, Games & Crafts
  - Explore Toys, Games & Crafts
  - Toys by Type
  - Toys by Age
  - Games, Puzzles & Cards
  - Arts & Crafts
  - Crafting Technology
  - Collectibles
  - Shop by Character
  - Shop by Brand
  - Deals & Outlet
  - Featured
- Collectibles & Memorabilia
Account
Order Status
Recently Viewed
Saved Items
Top Deals
Deal of the Day
Gift Cards
My Best Buy Memberships
Credit Cards

Best Buy
Computers & Tablets
Computer Accessories & Peripherals
Laptop Accessories
Laptop Batteries
Product Details

“Is this battery compatible with a Compaq CQ57?”

Asked by gus 6 years ago

Answer This Question

See all questions & answers

DENAQ - 6-Cell Lithium-Ion Battery for Select HP Laptops-Front_Standard

User rating, 3.9 out of 5 stars with 40 reviews.

$27.95$27.95

0 Answers

Visit our Support Center
Check your Order Status
Shipping, Delivery & Store Pickup
Returns & Exchanges
Price Match Guarantee

Order & Purchases

Check Order Status
Shipping, Delivery & Pickup
Returns & Exchanges
Price Match Guarantee
Product Recalls
Trade-In Program
Gift Cards

Payment Options

My Best Buy® Credit Card
Pay Your Bill at Citibank
Lease to Own
Buy Now, Pay Later
Best Buy Business Financing

Support & Services

Visit our Support Center
Shop with an Expert
Schedule a Service
Manage an Appointment
Protection & Support Plans
Haul Away & Recycling
Contact Us

Rewards & Membership

My Best Buy Memberships
View Points & Certificates
Member Offers

Partnerships

Sell on Best Buy Marketplace
Advertise with Us
Affiliates: Creators & Publishers
Best Buy Health
Best Buy Education
Best Buy Business
Partner+

About Best Buy

Corporate Information
Careers
Corporate Responsibility
Sustainability

Sign in or Create Account

Get the latest deals and more.

Email Address

Best Buy appLearn more ›

How was your experience?

Best Buy Canada

Accessibility Terms & Conditions Privacy Interest-Based Ads State Privacy Rights Health Data Privacy Do Not Sell/Share My Personal Information Limit Use of My Sensitive Personal Information Targeted Advertising Opt Out CA Supply Chain Transparency Act

In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.