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HP ProBook 5310m Replacement Battery 14.8V 2400mAh HSTNN-C72C

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From $71.99 USD $88.99
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Fits HP ProBook 5310m and 5320m notebooks; replaces OEM part numbers HSTNN-C72C, HSTNN-SB0H, FL04, and seven others listed in compatibility.
14.8V at 2400mAh (35.52Wh) restores full capacity to this ultraportable — matches the original Li-Polymer cell output and charge window.
Connector seats straight into the battery slot with a single locking tab; slides left to release, right to secure — no force needed.
We bench-tested against a ProBook 5310m motherboard; the BMS initialized on first charge with zero fault codes and held voltage under sustained load.
After installation, run one full discharge to hibernation-cutoff then charge uninterrupted to 100% — this resets the BIOS battery learn cycle and clears inaccurate health warnings that appear after every cell swap.
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
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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
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By continuing with your purchase, you acknowledge and agree to the estimated 7–10 business day delivery timeframe.
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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.

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⚠️ 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

14.8V

Amp

2400mAh

HP ProBook 5310m / 5320m — 14.8V Li-Polymer Replacement Battery (HSTNN-C72C)

This 14.8V, 2400mAh (35.52Wh) Li-Polymer battery replaces the original cell in the HP ProBook 5310m and ProBook 5320m. It matches OEM part numbers HSTNN-C72C, HSTNN-SB0H, FL04, and several others listed below. Use it when your original battery no longer holds a charge or has stopped being recognised by the system.

  • ProBook 5310m and 5320m fitment: Both models share the same 14.8V battery bus, connector pinout, and BMS handshake protocol. One cell covers both platforms — no wiring or adapter needed.
  • Bench tested on actual hardware: We ran this cell through charge and discharge cycles on a ProBook 5310m. The BMS communicated correctly with the EC, reported state of charge accurately, and handled charge termination without tripping a fault.
  • Post-install calibration for the ProBook: 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 this platform.

Why the ProBook 5310m reports poor battery health immediately after a cell swap

The ProBook's BIOS stores capacity and health data in an EEPROM on the battery's fuel gauge IC. When you swap in a new cell, that EEPROM still carries counters from the old pack. The BIOS reads those stale counters and flags the replacement as degraded before it has cycled once. Running a full discharge-to-hibernate followed by an uninterrupted charge to 100% forces the fuel gauge IC to rewrite its learned capacity data, clearing the false warning.

ProBook shuts down abruptly while the OS gauge still shows 20–30% charge

This happens when the cell voltage drops below the BMS cutoff threshold under combined CPU and display load, even though the OS fuel gauge reads higher. The fuel gauge IC calibrates against resting voltage, not loaded voltage — so under full draw, the cell hits the cliff before the gauge catches up. It is not a fault with the replacement cell itself; it is a calibration lag. Complete two to three full discharge-and-charge cycles and the fuel gauge IC will align its model to the actual cell, pushing the reported shutoff point below 10%.

Compatible Models

ProBook 5310m ProBook 5320m

Replaces Part Numbers

HSTNN-C72C HSTNN-SB0H FL04 538693-271 580956-001 AT907AA HSTNN-D80H HSTNN-DB1L 538693-251 538693-961 594637-221 594637-241

Technical Specifications

Voltage14.8V
Amp Hours2400mAh
Capacity2400mAh
Rate35.52Wh
Net Weight262g /9.24 oz
Gross Weight402g /14.18 oz
Approximate Weight402g /14.18 oz
Dimension 217.70 x 97.40 x 9.00 mm

Product Highlights

  • Brand: HP
  • 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

My ProBook 5310m shows the new battery as "0% available (plugged in, not charging)" right after install — what's wrong?

The EC is not recognising the new cell's EEPROM data and has locked the charge circuit as a precaution. Shut the laptop down completely, remove the AC adapter for 30 seconds, reinsert the battery, then boot on AC power only. This forces the EC to re-poll the battery's fuel gauge IC and re-establish the charge handshake. If the charge icon still doesn't appear, check BIOS — some ProBook firmware versions require a BIOS update before they accept replacement cells correctly.

The OS says the battery Wh rating is wrong — it shows a different number than what's printed on the cell. Is the battery faulty?

It is not faulty. The Wh figure the OS reads comes from a static value stored in the battery's EEPROM, which reflects the OEM cell's rated chemistry. The actual cell in a replacement pack may differ slightly in chemistry while still meeting the 14.8V / 2400mAh spec — the calculated Wh at the controller level will realign after the fuel gauge IC completes one full calibration cycle. Run a full discharge to hibernate cutoff and charge back to 100%, then recheck the system info panel.

After a few weeks the charge gauge on the ProBook is wildly inaccurate — jumping from 60% to 15% with no warning. How do I fix this?

The fuel gauge IC inside the battery needs multiple full cycles to build an accurate discharge curve against the new cell's actual chemistry. Shallow-cycling — plugging in before the battery drops below 50% — starves the IC of the data it needs to calibrate. Run three consecutive full discharges to hibernate cutoff followed by uninterrupted charges to 100%. After those three cycles the gauge should track smoothly, and the erratic percentage jumps will stop.

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