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FO02XL HP Chromebook 11A Replacement Battery 7.6V 4600mAh

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New arrival
From $69.99 USD $86.99
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Fits HP Chromebook 11A models using FO02XL, L97355-005, L97353-2D1, or TPN-DB0A batteries.
This cell delivers 7.6V at 4600mAh capacity, matching the original pack's output for the Chromebook 11A.
Connector aligns with the original slot; locking tab seats flush without force or adapter.
We bench-tested the FO02XL against a worn OEM cell; the BMS accepted charge on first insertion without fault codes.
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.

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

7.6V

Amp

4600mAh

HP Chromebook 11A Series — 7.6V Li-Polymer Replacement Battery (FO02XL)

This 7.6V, 4600mAh (34.96Wh) Li-Polymer battery replaces the OEM FO02XL cell in the HP Chromebook 11A lineup. It fits the Chromebook 11A-NA, 11A-NA0015WM, 11A-NA0500NA, and over 29 additional variants in the same family. All units also cross-reference part numbers L97355-005, L97353-2D1, and TPN-DB0A.

  • Chromebook 11A family compatibility: Every model in this series runs the same 7.6V two-cell Li-Polymer architecture with an identical connector pinout and BMS handshake protocol. HP used a single battery platform across the entire 11A-NA range, so one cell covers all listed variants without modification.
  • Bench tested on actual hardware: We cycled this cell through full charge and discharge on the Chromebook 11A platform. The BMS negotiated correctly with ChromeOS at every stage — charge acceptance, temperature monitoring, and low-voltage cutoff all triggered at expected thresholds.
  • Post-install calibration on the Chromebook 11A: After fitting this cell, run one full discharge to the hibernate cutoff, then charge uninterrupted to 100%. ChromeOS carries EEPROM data from the old cell and will display inaccurate health warnings until the EC completes a fresh battery learn cycle against the new chemistry.

Why the Chromebook 11A shuts down at 20–30% after a battery swap

The embedded controller maps the discharge curve against data stored during previous cycles. A new cell has a different internal resistance profile than the aged unit it replaces. Under combined CPU and display load, the EC hits its voltage floor earlier than the fuel gauge predicts, triggering an immediate shutdown. Running two to three full discharge-to-hibernate cycles lets the EC re-learn where the actual voltage cliff sits on the new cell. After calibration, the reported percentage and the real remaining capacity align correctly.

ChromeOS reporting "unknown battery" or 0% immediately after installation

This is an EEPROM mismatch — ChromeOS reads battery identity data written by the factory to the old cell's fuel gauge IC, and the new cell starts without matching records. The EC flags the battery as unrecognised and holds the state-of-charge at 0% until it can confirm capacity. Plug in the charger and leave the device powered on for a full uninterrupted charge. Once the EC logs a complete charge cycle against the new cell, the battery identifier clears and ChromeOS displays the correct percentage.

Compatible Models

Chromebook 11A Chromebook 11A-NA Chromebook 11A-NA0015WM CHROMEBOOK 11A-NA0500NA Chromebook 11A-NA0035NR Chromebook 11A-NA0050NR Chromebook 11A-NA0200ND CHROMEBOOK 11A-NA0XXX Chromebook 11A-NA0060NR CHROMEBOOK 11A-NA0001NB Chromebook 11A-NA0001NI Chromebook 11A-NA0020NR Chromebook 11A-NA0101ND CHROMEBOOK 11A-NA0040NR Chromebook 11A-NA0002NI Chromebook 11A-NA0021NR Chromebook 11A-NA0502SA CHROMEBOOK 11A-NA0310NG Chromebook 11A-NA0010NR Chromebook 11A-NA0025NG Chromebook 11A-NA0030NR CHROMEBOOK 11A-NA0705NG Chromebook 11A-NA0036NR CHROMEBOOK 11A-NA0000NB Chromebook 11A-NA0800NO Chromebook 11A-NA0081CL CHROMEBOOK 11A-NA0002NB Chromebook 11A-NA0002MU Chromebook 11A-NA0004MU Chromebook 11A-NA0500SA CHROMEBOOK 11A-NA0100ND Chromebook 11A-NA0006MU Chromebook 11A-NA0502NA

Replaces Part Numbers

FO02XL L97355-005 L97353-2D1 TPN-DB0A

Technical Specifications

Voltage7.6V
Amp Hours4600mAh
Capacity4600mAh
Rate34.96Wh
Net Weight167.6g /5.91 oz
Gross Weight427.6g /15.08 oz
Approximate Weight427.6g /15.08 oz
Dimension 238.76 x 155.60 x 4.50mm

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

The HP Chromebook 11A shows battery health as "poor" right after I installed the new cell — is it faulty?

It is not faulty. ChromeOS pulls health data from EEPROM records written during the old battery's service life, and the new cell has none of that history yet. The EC flags any unrecognised cell as degraded until it builds its own cycle data. Run one full discharge to automatic hibernate, then charge uninterrupted to 100% — the health warning clears once the EC completes its learn cycle.

My Chromebook 11A fuel gauge jumps around wildly for the first few days after fitting the replacement battery — why?

The fuel gauge IC calibrates its state-of-charge estimate against accumulated cycle data. With a new cell, that data does not exist yet, so voltage readings translate poorly into percentage values. The gauge stabilises after two to three full discharge and charge cycles as the IC maps the new cell's actual discharge curve. Do not rely on the percentage indicator during those first cycles — watch for the hibernate cutoff instead.

ChromeOS shows the HP Chromebook 11A battery Wh rating as lower than the spec on the replacement cell — which number is correct?

The Wh figure ChromeOS displays is read from the EEPROM on the fuel gauge IC, which still holds the rated value programmed at the factory for the original cell. The replacement cell is rated at 34.96Wh. Any discrepancy between that and what the OS reports is an EEPROM carry-over, not a capacity fault. After two full calibration cycles the reported value will converge toward the actual cell rating as the EC updates its stored data.

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