Welcome to our store. Your trusted source for batteries and power solutions. Learn more

For support or quotes: sales@batteryweb.com
WELCOME5
BatteryWeb

Samsung NP-530 Replacement Battery AA-PBYN4AB 7.4V 6000mAh

Up to 17% off
New arrival
From $123.99 USD $148.99
Shipping calculated at checkout.
Fits Samsung NP-530, NP-530U3B series notebooks; replaces AA-PBYN4AB and AA-PLWN4AB OEM cells.
7.4V, 6000mAh lithium-polymer delivers 44.4Wh to restore full portable runtime on aging NP-530 systems.
Connector slides in from the side with a single plastic locking tab; orientation marked on the slot.
We bench-tested this cell on an NP-530U3B — BMS accepted the pack on first insertion, no handshake delay.
After installation, run one full discharge to hibernation cutoff, then charge uninterrupted to 100% to reset the BIOS battery learn cycle and clear inaccurate health warnings.
Delivery time

This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
WECARE5

Please Confirm Delivery Timeline

Fresh Battery, Worth the Wait

To provide the highest-quality replacement battery, we ship this battery directly from the manufacturer rather than from aging warehouse inventory. This means delivery may take a little longer, but it helps ensure you receive a fresh battery with better performance, a longer lifespan, and greater reliability.

Estimated delivery: 7–10 business days
4.8
★★★★★
★★★★★
Average Customer Rating
By continuing with your purchase, you acknowledge and agree to the estimated 7–10 business day delivery timeframe.
Visa Mastercard American Express PayPal Apple Pay Google Pay Shop Pay Discover Klarna Afterpay Stripe
✦

Check that your old battery model number and device model to match our description. This makes sure they work together.

✦

We ship your order same day if you buy it before 4 PM EST.

Warranty

Let customers speak for us

from 12 reviews

I'm writing this review to express my deep gratitude and appreciation for the quality of services provided to me by the BatteryWeb service team. I visited BatteryWeb to purchase a replacement battery for my Remington R9 razor. The staff was very responsive and I was really impressed with their willingness to help me and make the purchasing process as quick as possible. In particular I greatly appreciate the work of staff member Shane who was friendly and helpful.
In conclusion, I believe that BatteryWeb has excellent service staff who make their customers feel honored and valued.
I wish you all the best.
Sincerely,
Michael

Michael Talianker
BatteryWeb

this battery was just what I needed.

Robert Jones
BatteryWeb

Product is exactly as described and arrived quickly

Robert Jones
Rocket ES4-12 Compatible Replacement Battery

Great deal for the money.

Linda M.
BatteryWeb

It took a bit longer than expected, likely due to the holiday season, but that was understandable. So far, the battery seems to be working well!

Linda M.
MGE UPS Systems Pulsar EX 1500RT Compatible Replacement Battery By Bright Way

Excellent substitute for the original, appearing to be the perfect replacement.

Alberto J.
APC SMART-UPS RT SURTA3000RMXL3U UPS High Performance Replacement Battery Set

It was what i was looking for. Support is fast

Jaswal
WAHEGURUG - RADHASWAMI

Fast service

Mark Casias
BatteryWeb

Perfect fit

Mark Casias
STX20L-BS Battery for Harley Softail FLS FLST 1991-2017 High Performance

Works Perfectly!!

Ben Benson
Invacare 220 Scooter High Performance Medical Replacement Battery Set

Send Your Battery Photo

Expert Technician Help

Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.

POST YOUR BATTERY IMAGE
Product & Solutions Expert

Product & Solutions Expert

✉ sales@batteryweb.com

🔹 10+ Years Battery Experience 🔹 Fast & Accurate Identification

Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

7.4V

Amp

6000mAh

Samsung NP-530 Series — 7.4V Li-Polymer Replacement Battery (AA-PBYN4AB)

This is a 7.4V, 6000mAh (44.4Wh) lithium-polymer replacement battery for Samsung NP-530 series notebook computers. It fits the NP-530U3B-A01, NP-530U3B-A02, NP-530U3B-A04, and over 57 additional NP-530 variants using OEM part numbers AA-PBYN4AB and AA-PLWN4AB. Swap it in when the original cell no longer holds charge or the laptop has stopped running on battery power.

  • NP-530U3B platform fit: All NP-530U3B variants share the same 7.4V two-cell Li-Polymer pack architecture, the same 273.60 × 117.04 × 5.43mm footprint, and the same five-pin BMS connector. One SKU covers the full lineup because the battery management handshake and physical form factor are identical across every sub-model.
  • Bench tested on actual hardware: We ran this cell through full charge and discharge cycles on NP-530U3B hardware. The BMS communicated correctly with the Samsung EC firmware, charge current tapered properly at the top-of-charge threshold, and cell balance held within spec across multiple cycles.
  • Post-install calibration on the NP-530: After fitting this battery, run a full discharge until the laptop hibernates, then charge uninterrupted to 100%. This single cycle resets the BIOS battery learn sequence on the NP-530 and clears the inaccurate health warning that appears whenever the original EEPROM data no longer matches the new cell's chemistry profile.

Why the NP-530 BIOS reports poor battery health after a cell swap

Samsung's EC firmware on the NP-530 reads cycle count, charge history, and rated capacity from the battery's EEPROM. When a new cell ships, that EEPROM contains factory defaults that do not match the usage history the BIOS expects from the installed pack. The firmware interprets the mismatch as a degraded cell and flags it as poor health. Running a full discharge-to-hibernate followed by a full uninterrupted charge gives the BIOS one complete learn cycle against real cell data and clears the warning. After two to three cycles the fuel gauge IC stabilises and health reporting returns to normal.

NP-530 shutting down at 20–30% remaining after battery replacement

This happens when the fuel gauge IC is still calibrated to the old cell's voltage curve. The new Li-Polymer cell has a steeper voltage cliff below roughly 3.5V per cell — the laptop's load controller hits that cliff before the displayed percentage reaches zero. The gauge reads 25% but the cell voltage has already dropped below the safe discharge threshold under combined CPU and display load. Fix this by running two full discharge-to-hibernate cycles back-to-back, allowing the fuel gauge IC to map the new cell's actual voltage-to-capacity curve. After calibration, shutdown at false percentages stops and the gauge tracks down to the correct 3.0V per-cell cutoff.

Compatible Models

NP-530 NP-530U3B-A01 NP-530U3B-A02 NP-530U3B-A04 NP-530U3C NP-530U3C-A02 NP-530U3C-A05 530U3 530U3B-A01 530U3B-A02 535U3C 535U3C-A01 530U3C-A02 530U3C-J01 530U3C-A05 530U3C 530U3C-A01DE 530U3C-A01 535U3C-A02 530U3C-A03 535U3C-A03 530U3B-A04 530U3C-A06 530U3C-A07 530U3B NP530 NP530U3B-A01 NP530U3B-A02 NP530U3B-A04 NP530U3C NP530U3C-A02 NP530U3C-A05 540U 540U4 540U4E NP540U4 NP540U4E NT540U4 NT540U4E ATIV Book 5 NP530U3C-A01CN NP530U3C-A03CN NP530U3C-A07IT NP530U3C-A0KDE NP540U3C-A02UK NP530U3C-A0EDE 530U3 series NP530U3C-A02CN NP530U3C-A03HK NP5303UC-A01CH NP540U3C-A101UB NP530U3C-A0B NP530U3C-A07SE NP530U3C-A02PH NP530U3C-A03PH NP535U3C-A02IT NP530U3B-A01UK NP530U3B-A03RU 530U3C Series NP530V3c 535U3C series

Replaces Part Numbers

AA-PBYN4AB AA-PLWN4AB

Technical Specifications

Voltage7.4V
Amp Hours6000mAh
Capacity6000mAh
Rate44.4Wh
Net Weight272.9g /9.63 oz
Gross Weight532.9g /18.80 oz
Approximate Weight532.9g /18.80 oz
Dimension 273.60 x 117.04 x 5.43mm

Product Highlights

  • Brand: Samsung
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-Polymer
  • Battery Type: Li-Polymer
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

The Samsung NP-530 BIOS shows the new battery as "0% available (plugged in, not charging)" — what's causing this?

The BIOS has locked charge because the EEPROM on the replacement cell contains factory-default data that the Samsung EC firmware doesn't recognise as a valid charge state. Shut the laptop down fully, remove the AC adapter for 60 seconds, then reconnect and power on. If the charge lock persists, enter the BIOS setup screen, let it sit for two minutes, then exit — this forces the EC to re-poll the battery and re-initialise the charge circuit. After the EC handshake completes, charge current resumes normally and the percentage begins climbing from its actual resting voltage.

The battery percentage jumps around wildly — showing 67%, then 45%, then 71% within minutes on the NP-530. Is the cell faulty?

The cell is not faulty — the fuel gauge IC is still running its algorithm against the old cell's stored capacity data. The NP-530's gauge IC needs at least two full charge-discharge cycles against the new 6000mAh Li-Polymer cell before it can plot an accurate voltage-to-percentage curve. Run two complete cycles: discharge to hibernate cutoff, then charge uninterrupted to 100% each time. Erratic percentage jumps stop once the gauge IC has enough real data points to interpolate the new cell's curve correctly.

Why does system information show the wrong Wh rating — 43Wh instead of 44.4Wh — for this replacement battery on the NP-530?

The Wh figure shown in Windows or Samsung's battery report is pulled from the EEPROM's rated design capacity field, which uses a slightly conservative factory value based on minimum cell spec rather than the actual measured capacity. The cell in this pack is rated at 44.4Wh; the EEPROM stores a rounded nominal figure that can read 0.5–1.5Wh lower depending on how the Samsung EC rounds the calculation. This

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Related Products

Samsung NP-530 Replacement Battery, 7.4V, 6000mAh, Li-Polymer 1

Engineered for Performance. Built to Last.

Check out our top-rated selection of reliable products built to last. We offer high-quality options that deliver consistent performance for all your needs.

Our Collections