HP Pavilion dv5-500 Replacement Battery 14.4V 2200mAh
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HP Pavilion dv5-500 Replacement Battery 14.4V 2200mAh - 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
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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
HP Pavilion dv5-500 Replacement Battery 14.4V 2200mAh - is backordered and will ship as soon as it is back in stock.
Voltage
14.4V
Amp
2200mAh
HP Pavilion 500 / 520 Series — 14.4V Li-ion Replacement Battery (434045-141)
This is a 14.4V, 2200mAh (31.68Wh) Li-ion battery for the HP Pavilion dv5-500 and dv5-520 notebook series. It replaces OEM part numbers including 434045-141, 438518-001, HSTNN-IB39, and HSTNN-FB39. If the original cell no longer holds a charge or the laptop drops off abruptly under load, this is the direct swap.
- 500 and 520 series compatibility: Both model lines share the same 14.4V battery rail, connector pinout, and BMS handshake protocol. The EEPROM on this cell carries the correct identification data so the HP EC recognises it without triggering an unknown-battery error on boot.
- Bench tested on actual hardware: We cycled this cell through full charge and load discharge on the dv5-520 platform. The BMS held protection thresholds correctly, and the EC registered accurate state-of-charge data from the first complete cycle.
- First-cycle conditioning on HP Pavilion: After installing, run a 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 on the first boot after every cell swap.
Why the dv5-500 shuts down at 20–30% remaining after a battery swap
The HP Pavilion EC uses stored voltage-curve data from the old cell to predict remaining charge. When a new cell goes in, that stored map is stale. Under full CPU plus display load, the new cell hits a voltage cliff the EC wasn't expecting, and it triggers an immediate shutdown to protect the board. This is not a fault with the replacement battery. One full discharge-to-hibernate followed by an uninterrupted charge to 100% gives the EC enough real data to rebuild an accurate curve. After two to three full cycles, the shutdowns stop.
BIOS reporting 0% or "unknown" battery immediately after installation
The HP EC reads battery identity and state-of-charge from the cell's EEPROM before displaying anything in BIOS or Windows. If the EEPROM handshake doesn't complete on first connect — often because the contact pads weren't fully seated — the EC returns a zero or unknown value. Re-seat the battery, ensure the latch clicks, then do a hard reset: remove the cell, hold the power button for 15 seconds with no power connected, reinsert, and boot. If the BIOS still shows 0%, boot into Windows and let the battery learn cycle run at least once before drawing conclusions. The target after a full charge is 14.4V at the terminals.
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
The HP Pavilion dv5-520 shows a wildly wrong charge percentage for the first few days after swapping the battery — is something broken?
Nothing is broken. The fuel gauge IC on the motherboard calibrates against the actual charge and discharge curve of the installed cell. With a new cell, that curve data doesn't exist yet, so the gauge estimates badly for the first two to three full cycles. Run two complete discharge-to-hibernate and uninterrupted charge-to-100% cycles, and the percentage reading will stabilise. Don't judge the cell's condition until after cycle three.
The replacement battery shows the wrong Wh rating in HP Support Assistant — it says something different from the original cell's specs.
HP Support Assistant pulls Wh data from the cell's EEPROM, which stores the rated capacity at the time of manufacture. The actual usable energy depends on the current chemistry and cell age. A reading of 31.68Wh is correct for this 2200mAh, 14.4V cell — if the tool shows a different figure, it's reading a cached value from the previous battery's EEPROM entry. Clear the cached data by running HP Battery Check after a full charge cycle, and the reported figure will update to match the installed cell.
The new battery charges to around 80% and then stops — the laptop won't push it past that point no matter how long it stays plugged in.
This is almost always a BIOS-level charge limit, not a fault with the cell. HP shipped several dv5-series BIOS versions with a charge threshold setting — either enabled by default or turned on by a previous user — that caps charging at 80% to reduce heat during extended plug-in use. Go into the BIOS setup (F10 on boot), find the Battery Care Function or similar setting under Power Management, and disable it. Save, reboot, and plug in again. The battery should now charge to the full 14.4V.
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