HP 4535S replacement laptop battery for ProBook 4535S
HP 4535S Battery Original price was: $129.99.Current price is: $64.99.
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HP QK646UT replacement laptop battery for HP ProBook 4330S
HP QK646UT Battery for ProBook 4330S Original price was: $129.99.Current price is: $64.99.

HP QK646AA Battery for ProBook 4330S

SKU: HP-QK646AA

Original price was: $129.99.Current price is: $64.99.

HP QK646AA direct replacement battery for compatible models.

  • ๐Ÿ”‹ Voltage: 10.8V ยท Capacity: 48.0Wh / 5200mAh ยท Type: 6-Cell Li-ion
  • ๐Ÿ”„ Replaces: QK646AA, 633733-151, 633733-1A1
  • ๐Ÿ’ป Fits: HP HP ProBook 4330S, ProBook 4330S, HP ProBook 4331S
  • Fast & Free Shipping
  • Money-Back Guarantee
  • 12 Months Warranty
  • Safe and Secure SSL Checkout

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Description

Looking for a reliable replacement for your HP QK646AA battery? This new QK646AA is engineered for select HP ProBook 4330S models. Compatible with HP ProBook 4330S, ProBook 4331S, HP ProBook 4430S, ProBook 4431S, HP ProBook 4530S, and ProBook 4535S laptop series, this replacement battery delivers dependable power for your mobile computing needs. The QK646AA also cross-references with several alternate part numbers including 633733-151, 633733-1A1, 633733-241, 633805-001, 650938-001, and other compatible variants, making it easy to confirm compatibility with your existing battery before ordering.

This direct-fit QK646AA replacement features 10.8V voltage with 48.0Wh capacity and 5200mAh rating for sustained performance. Built with Samsung lithium-ion cells in a 6-cell configuration, this battery provides the correct voltage and capacity specifications your laptop requires. The premium Li-ion chemistry ensures reliable power delivery and maintains consistent performance throughout its service life.

Expect approximately 4-6 hours of typical runtime with this QK646AA replacement, depending on your usage patterns and system configuration. Use this replacement battery to restore the full runtime of your laptop. Perfect for business professionals and students who need reliable portable power for presentations, remote work, or extended computing sessions away from wall outlets.


Technical Specifications

Voltage 10.8V
Capacity 48.0Wh / 5200mAh
Cells 6-cell Li-ion
Part Number QK646AA
Brand HP Compatible

Key Features

  • High-capacity 48.0Wh 6-cell design for extended runtime
  • Direct-fit replacement matching original voltage and capacity
  • Premium lithium-ion cells for consistent performance

Compatible Part Numbers

QK646AA
633733-151
633733-1A1
633733-241
633733-251
633733-321
633735-241
633805-001
633807-001
633809-001
650938-001
HSTNN-DB2R
HSTNN-DB2T
HSTNN-DB3C
HSTNN-GB2R
HSTNN-I02C
HSTNN-I97C-3
HSTNN-I97C-4
HSTNN-I98C-5
HSTNN-I99C-3
HSTNN-I99C-4
HSTNN-IB2R
HSTNN-IO2C
HSTNN-OB2R
HSTNN-OB2T
HSTNN-Q87C-4
HSTNN-Q87C-5
HSTNN-Q88C-4
HSTNN-Q88C-5
HSTNN-Q89C
HSTNN-Q99C-3
HSTNN-Q99C-4
HSTNN-XB2R
HSTNN-XB2T
HSTNN-XB3C
LC32BA122
PR06
PR06047
PR06055
PR09
PR09093
QK646UT


Compatible Laptop Models

HP ProBook 4330s
ProBook 4330s
HP ProBook 4331s
ProBook 4331s
HP ProBook 4430s
ProBook 4430s
HP ProBook 4431s
ProBook 4431s
HP ProBook 4530s
ProBook 4530s
HP ProBook 4535s
ProBook 4535s
HP ProBook PR06
ProBook PR06

Compatible with the models, series, and devices listed above; however, this is
not a complete compatibility list, and additional unlisted models may also be
supported. If your device is not shown, please email us at cs@usabatteries.com
for compatibility confirmation.

Additional information
Voltage10.8V
BrandHP Compatible
Capacity48.0Wh / 5200mAh
Part NumberQK646AA
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Shipping FAQ

At USA Batteries, we are committed to providing fast, free, and reliable shipping on every order. Below, youโ€™ll find detailed information about our shipping process, delivery timelines, carriers, and what to do if your order experiences an issue.


๐Ÿšš What is the cost of shipping?

Shipping is completely free on all orders โ€” no minimum purchase requirements, no hidden fees, and no surprise charges at checkout. We believe in transparent pricing so you can shop with confidence.


๐Ÿ“ฌ Which shipping carriers do we use?

Most orders are shipped via USPS (United States Postal Service), which provides fast and affordable nationwide delivery. For large, heavy, or bulk orders, we may use FedEx or UPS to ensure safe and efficient handling.

Please Note: Some oversized products or wholesale shipments may require alternative carriers based on size, weight, or destination.


โฑ๏ธ How long does shipping take?

  • Standard USPS Delivery:ย Most items arrive withinย 3โ€“5 business daysย after leaving our warehouse.
  • Order Processing:ย Orders are typically processed and shipped withinย 24 business hoursย of purchase.
  • Delays:ย Shipping times may be longer during weekends, public holidays, or severe weather conditions.

If your order is time-sensitive, please contact us before purchasing, and weโ€™ll do our best to assist.


โšก Do you offer expedited shipping?

Currently, we do not offer paid expedited shipping options. However, many of our USPS shipments use Priority Mail, which generally arrives within 2โ€“3 business days for most U.S. locations.

If you need a faster delivery option, reach out to us at cs@usabatteries.com, and weโ€™ll check if a special arrangement can be made.


๐ŸŒŽ Do you ship internationally?

At this time, we only ship within the United States. We do not offer international delivery options.


๐Ÿ“ฎ Can you deliver to PO Boxes?

Yes! We gladly deliver to PO Boxes, as USPS handles most of our shipments.
If your order requires FedEx or UPS (usually for larger packages), we may contact you for a physical street address.


๐Ÿ” How can I track my order?

You will receive an email with a tracking number as soon as your order ships.
You can also check your order status anytime on our Track Your Order page.


๐Ÿ“ฆ Lost or Missing Packages

If your tracking number shows โ€œDeliveredโ€ but you havenโ€™t received your package:

  1. Check around your homeย โ€” porch, mailbox, garage, or any safe drop-off spots.
  2. Ask neighbors or household membersย in case someone accepted the package.
  3. Wait 24 hoursย โ€” USPS sometimes scans items as delivered before arrival.

If your package is still missing after these steps:

  • Contact yourย local USPS office. USPS can provideย GPS delivery confirmationย to determine where your package was left.
  • Contact us atย cs@usabatteries.comย or viaย Live Chat. We will assist you in opening an investigation and help retrieve GPS scan data if necessary.

Insurance Claims: All USPS shipments are insured. Any claims for lost or damaged packages must be filed with USPS. We will guide you through the process to ensure a resolution.


โœ… Our Commitment

Your satisfaction is our priority. If you experience any shipping issues, we will work closely with USPS or the relevant carrier to resolve the situation promptly and ensure your order reaches you safely.

The USABatteries.com Guarantee

Your satisfaction is our priority. Every battery from USABatteries.com is rigorously tested and backed by a comprehensive 1-Year Warranty. We are so confident in our quality that we offer a Risk-Free 30-Day Money-Back Guarantee: if you aren't completely happy within the first month, we will cover the return shipping costs ourselves. Quality power, zero risk.

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