HP Pavilion DV7 14.4V Replacement Battery 464059-121
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HP Pavilion DV7 14.4V Replacement Battery 464059-121 - 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 Pavilion DV7 14.4V Replacement Battery 464059-121 - is backordered and will ship as soon as it is back in stock.
Voltage
14.4V
Amp
4400mAh
HP Pavilion DV7 Series — 14.4V Li-ion Replacement Battery (464059-121)
This 14.4V, 4400mAh (63.36Wh) lithium-ion battery replaces the original cell in HP Pavilion DV7, DV7T, DV7Z, and DV7T-1000 series laptops. It fits the full range of DV7 variants sharing the same connector and voltage rail. Cross-reference OEM part numbers 464059-121, 480385-001, HSTNN-IB74, HSTNN-DB74, and KS525AA before ordering.
- DV7 platform compatibility: The DV7, DV7T, and DV7Z all run the same 14.4V battery rail with an identical connector pinout and BMS handshake protocol — that is why one cell covers all three sub-lines without any adapter or modification.
- Bench tested on actual hardware: We ran this cell on a DV7T under combined CPU and display load. The BMS held voltage above the cutoff threshold through full discharge cycles, and the charge controller accepted a full charge without interruption.
- Post-install calibration on the DV7: After fitting this cell, run one full discharge 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 DV7 hardware.
BIOS reporting poor battery health immediately after fitting a new cell
The HP DV7 BIOS reads health data stored in the battery's EEPROM. A new cell ships with factory EEPROM values that do not match the laptop's learned discharge profile from the old battery. The BIOS interprets that mismatch as degraded health and flags a warning. Running one complete discharge-to-hibernate cycle followed by an uninterrupted charge to 100% rewrites the learned cycle data and clears the warning on the next boot.
DV7 shutting down abruptly at 20–30% charge shown on screen
This is a voltage cliff, not a fuel gauge error. Under full CPU plus display load, cell voltage drops steeply as capacity runs low — the BMS trips the cutoff before the OS gauge reaches 0%. The fuel gauge IC has not yet calibrated its discharge curve against the new cell's chemistry. After two or three full discharge-to-hibernate cycles, the IC maps the actual voltage curve and the shutdown moves down to the correct cutoff point near 3.0V per cell.
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 DV7 shows the new battery at 0% and won't read it at all — just a plugged-in icon with no charge level
The BIOS is failing to handshake with the new cell's EEPROM data. Shut down completely (not sleep), remove the AC adapter, hold the power button for 15 seconds to drain residual charge from the board, then reconnect the battery and AC adapter before booting. This forces the BIOS to re-initialise the battery controller and read the cell fresh. If the gauge still shows 0% after one full charge cycle, confirm the OEM part number matches 464059-121 or one of the listed cross-references.
Windows is showing 63Wh in Device Manager but HP Support Assistant reports a different Wh rating — which one is correct?
The 63.36Wh figure in Device Manager reads directly from the cell's EEPROM and reflects the actual chemistry capacity — that is the accurate number. HP Support Assistant pulls its Wh figure from a firmware lookup table tied to the original OEM part record, which may differ from the physical cell's rated value. The discrepancy is an EEPROM versus firmware database mismatch, not a fault with the battery. Use the Device Manager figure (63Wh) as your reference.
New battery charges fine but the percentage jumps around wildly — drops from 60% to 40% in minutes then climbs back up
The fuel gauge IC on the DV7 charge controller calibrates its state-of-charge estimate against a learned discharge curve. A new cell has a different internal resistance profile than the aged cell the IC was tracking, so the percentage estimate swings until the IC re-maps the curve. Run three full discharge-to-hibernate cycles followed by uninterrupted charges to 100% each time. By the third cycle the IC will have enough data points to report a stable percentage across the full charge range.
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