BTI T7B31AA-BTI 10.8V 37Wh Li-Ion Battery for HP ProBook 640 G2/G3, 645 G2/G3, 650 G2/G3, 655 G2/G3

Power your HP ProBook on the go with the BTI T7B31AA-BTI 3-cell 10.8V 37Wh Li-Ion battery. Designed as a reliable replacement for a wide range of ProBook models, this battery delivers steady, dependable performance so you can work longer between charges. Built to meet or exceed OEM specifications, it provides a seamless user experience, restores original run times, and preserves the portability you rely on for travel, meetings, and remote work. If you’re upgrading or replacing an aging battery, this BTI unit offers an affordable, trustworthy option that keeps your ProBook running just like new.

• Extended runtime with a 37Wh capacity, enabling longer sessions away from power outlets on HP ProBook 640 G2/G3, 645 G2/G3, 650 G2/G3, and 655 G2/G3 models.
• Lightweight, efficient 3-cell Li-Ion chemistry that balances power delivery with portable weight for everyday mobile use.
• Precise compatibility for HP ProBook 640 G2, 640 G3, 645 G2, 645 G3, 650 G2, 650 G3, 655 G2, and 655 G3—designed as a direct replacement to restore original performance.
• OEM-replacement equivalents backed by trusted BTI branding, with recognized part numbers to ensure accurate fit and function.
• Safety and reliability focused build, designed to provide stable power delivery while protecting your notebook from overcharge and short-circuit risks.

Technical Details of BTI T7B31AA-BTI

• Battery Type: Li-Ion
• Voltage: 10.8V
• Capacity: 37Wh
• Cells: 3-cell
• Model Compatibility: HP ProBook 640 G2, 640 G3, 645 G2, 645 G3, 650 G2, 650 G3, 655 G2, 655 G3
• Replaces OEM: 801517-541, 801554-001, 801554-00
• BTI Part Number: T7B31AA-BTI

How to install BTI T7B31AA-BTI 10.8V 37Wh Battery

• Power off your HP ProBook and unplug any connected power adapters before starting the replacement.
• Remove the back panel or access cover following your device’s maintenance guide to expose the battery bay.
• Carefully disconnect the old battery connector from the system board and remove the original battery from its bay.
• Align the BTI T7B31AA-BTI replacement with the battery bay, ensuring the connector and contacts line up properly.
• Reconnect the new battery, secure any retaining screws, replace the back cover, and power on to verify the notebook boots normally and recognizes the new battery.
• Charge fully before first use and monitor for a few cycles to ensure stable charging behavior and proper runtime. Dispose of the old battery responsibly according to local regulations.

Frequently asked questions

• Q: Is this BTI battery compatible with HP ProBook 640 G2 and 640 G3?

  A: Yes. The BTI T7B31AA-BTI is designed as a direct replacement for HP ProBook models including 640 G2, 640 G3, 645 G2, 645 G3, 650 G2, 650 G3, 655 G2, and 655 G3.

• Q: What capacity and voltage does this battery provide?

  A: It is a 10.8V Li-Ion battery with a 37Wh capacity and a 3-cell design, offering a balance of runtime and portability for compatible ProBook models.

• Q: Does this battery require any special installation tools?

  A: No special tools are required beyond typical screwdrivers used for service access. Always follow your device’s service guide for safe replacement.

• Q: Is this an official HP battery?

  A: This is a BTI replacement battery that matches the OEM specifications and part numbers, designed to fit and perform like the original, but it is not manufactured by HP. It’s a tested, compatible alternative that adheres to the same electrical specifications.

• Q: How should I care for my new battery?

  A: For optimal longevity, avoid complete discharge to 0% on a regular basis, keep the device in a moderate temperature environment, and perform occasional full charge cycles. Always use the original charger or a compatible charger compatible with 10.8V batteries, and recycle old batteries responsibly.