BTI BT04-BTI 14.8V 52WHR LI-ION BATTERY 687945-001, H4Q47AA, BT04, H4Q47UT, BT04052XL-PL, BT04XL ELITEBOOK FOLIO 9400M, ELITEBOOK FOLIO 9470M, ELITEBOOK FOLIO 9480, ELITEBOOK FOLIO 9480M, FOLIO 9470M, FOLIO 9480M

Keep your HP EliteBook running at peak performance with this high-quality Li-Polymer replacement battery. Designed as a reliable 4-cell power source, it delivers sustained energy for both the HP EliteBook Folio line and classic EliteBook models. With a nominal 14.8V and a robust 52Wh capacity (3400mAh), this battery is engineered to extend your notebook’s run time, reduce downtime, and provide consistent performance—whether you’re traveling, delivering client presentations, or working remotely. Built to fit a range of HP notebooks, it’s a smart, cost-effective solution when you need a dependable battery that behaves like the original and keeps you productive throughout the day.

• Extended run time with reliable power: 14.8V nominal, 52Wh capacity (3400mAh) delivers longer operation between charges so you can work, study, or entertain longer without frequent recharges.
• 4-cell Li-Polymer design for balanced performance: Lightweight, compact, and designed to provide stable energy delivery with minimal heat, helping your notebook stay cooler during long sessions.
• Broad compatibility within HP EliteBook families: Compatible with EliteBook Folio models and classic EliteBook lines including 9400M, 9470M, 9480 and 9480M, along with related variants such as FOLIO 9470M and FOLIO 9480M.
• Trusted safety and protection: Built-in protection circuits guard against overcharge, short-circuit, and thermal issues, helping protect your notebook and data while maintaining battery health over time.
• Easy, plug‑and‑play replacement: Designed as a straightforward swap for your existing battery—no special tools or complex procedures required beyond standard maintenance steps.

Technical Details of BT04-BTI 14.8V 52WHR Li-Polymer Battery

• Battery type: Lithium-Polymer (LiPo), 4-cell configuration
• Nominal voltage: 14.8V
• Capacity: 52Wh (3400mAh)
• Chemistry: Li-Polymer (LiPo) with built-in safety features
• Part numbers / identifiers: 687945-001, H4Q47AA, H4Q47UT, BT04, BT04052XL-PL, BT04XL
• Compatibility: HP EliteBook Folio series and classic EliteBook lines including 9400M, 9470M, 9480 and 9480M, FOLIO 9470M, FOLIO 9480M
• Form factor: 4-cell battery designed for HP notebook bays with the corresponding connector and mounting configuration
• Safety features: Built-in protection against overcharge, short-circuit, and thermal events to support reliable performance

How to install BT04-BTI 14.8V 52Wh Li-Polymer Battery

• Power down your HP EliteBook and unplug any connected accessories or power adapters before beginning.
• Place the notebook on a clean, flat surface and open the back panel or bottom cover to access the battery bay (consult your model’s service guide if needed).
• Carefully disconnect the existing battery connector from the motherboard, taking care to avoid static discharge or accidental damage to surrounding components.
• Remove the old battery from its bay and clear the compartment of any debris or dust.
• Align the new BT04 battery with the mounting points and connector in the bay, ensuring the connector lines up with the socket and sits snugly.
• Reconnect the battery to the motherboard, re-seat the battery, and reattach the bottom cover or back panel securely.
• Plug in the power adapter and charge the new battery for several hours to establish a proper initial charge. After the first cycle, you can use the notebook normally, and a full calibration cycle helps maximize battery life.
• Power on the notebook and verify that the battery is detected by the BIOS/OS and shows healthy charge levels. If needed, run any battery health utility provided by HP or the device vendor for a quick check.

Frequently asked questions

• Q: What models is this BT04-BTI battery compatible with?
  A: It is designed for HP EliteBook Folio models and classic EliteBook lines, including models such as 9400M, 9470M, 9480, and 9480M, as well as the FOLIO variants 9470M and 9480M.
• Q: What are the key specifications of the battery?
  A: The battery operates at 14.8V (nominal) with a 52Wh capacity (3400mAh) and uses a Li-Polymer (LiPo) chemistry across 4 cells. It includes integrated safety features to protect against common battery issues.
• Q: Is this a genuine HP battery?
  A: This listing describes a compatible replacement battery designed to match the form factor, connector, and performance of the original HP battery. It may be sold by third-party manufacturers but is built to fit the specified HP notebooks.
• Q: How should I maintain and calibrate the battery?
  A: For best results, perform a full discharge and recharge cycle after installation to calibrate the battery gauge. Avoid exposing the battery to heat, and keep the notebook in cool, well-ventilated conditions during charging.
• Q: What if the battery doesn’t hold a charge?
  A: Ensure the battery is properly seated, the connector is secure, and the notebook recognizes the device in the BIOS/OS. If problems persist, contact the seller for support, replacement, or warranty information as applicable.