HP EliteBook 8530p 14.4V Replacement Battery 458274-421
This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.
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HP EliteBook 8530p 14.4V Replacement Battery 458274-421 - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
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
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
⚠️ 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.
HP EliteBook 8530p 14.4V Replacement Battery 458274-421 - is backordered and will ship as soon as it is back in stock.
Voltage
14.4V
Amp
4400mAh
HP EliteBook 8530p / 8540p Series — 14.4V Li-ion Replacement Battery (458274-421)
This is a 14.4V, 4400mAh (63.36Wh) Li-ion replacement battery for the HP EliteBook 8530p, 8530w, 8540p, and 8540w. It cross-references OEM part numbers including 484788-001, 493976-001, HSTNN-LB60, HSTNN-OB60, HSTNN-XB60, and KU533AA. If your current battery no longer holds charge through a standard work session, this is a direct cell replacement at the same voltage and capacity.
- 8530 and 8540 platform compatibility: The 8530p, 8530w, 8540p, and 8540w share the same 14.4V battery bay, connector pinout, and BMS communication protocol. One cell fits all four models without adapter or modification.
- Bench tested on actual hardware: We ran this cell on an 8530p and confirmed the BMS handshake completed correctly, the BIOS accepted the battery without error flags, and charge regulation cycled through all four charge stages normally.
- Post-installation learn cycle: After fitting this battery, run one full discharge down to hibernate cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap on this platform.
BIOS reporting poor battery health immediately after fitting a new cell
The EliteBook BIOS reads health data from the battery's EEPROM, not from live cell measurements. When a new cell is installed, the EEPROM still carries aged-cell data from the previous battery's firmware log. The BIOS compares current charge acceptance against those stored values and flags the result as degraded. Running one full discharge-to-hibernate then a full uninterrupted charge resets that stored baseline and clears the warning on next boot.
Laptop shuts down abruptly at 20–30% charge shown on screen
This happens when the cell cannot sustain voltage under combined CPU and display load as it approaches the lower end of its charge curve — a voltage cliff specific to Li-ion cells under high draw. The fuel gauge IC is still reporting a percentage based on an uncalibrated model, so the on-screen number doesn't match actual cell capacity. Run two to three full discharge and charge cycles to let the fuel gauge IC re-map against the new cell. After calibration, the shutdown threshold should stabilise at or below 5%.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: HP
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Li-ion
- Battery Type: Li-ion
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
My EliteBook 8530p BIOS says the new battery has 0% health — is the cell faulty?
It is not a faulty cell. The BIOS on this platform reads health data from the battery EEPROM, which still holds aged-cell records from the old battery. The new cell's actual capacity hasn't been logged yet. Run one full discharge to hibernate cutoff, then charge uninterrupted to 100% — that resets the learn cycle and the BIOS health reading corrects itself on next boot.
Windows is showing a wildly wrong battery percentage for the first few charge cycles — jumps from 60% to 10% with no warning.
The fuel gauge IC inside the battery needs to map its charge model against the new cell chemistry, and that takes two to three full cycles. Until calibrated, the percentage readings are estimates based on the old cell's curve and will be inaccurate. Let the battery discharge fully to hibernate cutoff, then charge to 100% without interruption — repeat this twice and the gauge stabilises to within a few percent of actual capacity.
System info in Windows shows the battery's Wh rating as lower than the 63.36Wh listed — why does the number not match?
The Wh figure Windows reads comes from the EEPROM data written to the cell at manufacture, which reflects a rated chemistry baseline. The actual measured capacity after a fresh cell is calibrated can read slightly differently depending on how the fuel gauge IC calculates watt-hours from its internal current and voltage measurements. This is not a capacity loss — run the battery through two full discharge and charge cycles, then check the reported Wh again. The figure will settle closer to the rated 63.36Wh once the fuel gauge has a full calibration dataset.
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