BTI 931719-850-BTI 11.4V 48Wh 3-Cell Li-Ion Battery for HP ProBook 640/645/650 Series

Power your HP ProBook with confidence using the BTI 931719-850-BTI 3-cell Li-Ion notebook battery. This high-quality replacement is designed to seamlessly replace popular OEM parts 931702-421, 931702-541, 931719-850, and CD03XL, making it an ideal upgrade or spare for HP ProBook 640 G4, 640 G5, 645 G4, 650 G4, and 650 G5 laptops. With an 11.4V, 48Wh capacity packed into a compact 3-cell design, this battery delivers reliable runtime for work, travel, and learning on the go. Built to meet demanding standards, it provides dependable performance and peace of mind with an 18-month warranty in the USA. Whether you’re drafting documents, compiling reports, or running multiple apps, this BTI battery is engineered to maintain consistent power, minimize interruptions, and extend your device’s useful life.

• Compatibility & Fit: Precisely engineered to replace or upgrade HP ProBook 640 G4, 640 G5, 645 G4, 650 G4, and 650 G5 notebooks, ensuring a secure, plug-and-play replacement without the need for modifications. This compatibility reduces downtime and frustration when swapping batteries, and it’s supported by warranty coverage for added confidence.
• Power, Capacity & Runtime: 11.4V, 48Wh capacity in a compact 3-cell Li-Ion design. This combination offers solid runtime for everyday tasks—browsing, emailing, and office suites—while keeping the battery lightweight enough for comfortable portability. The balance of energy and weight helps you stay productive away from outlets for longer stretches between charges.
• OEM Replacement & Certification: Replaces OEM battery part numbers 931702-421, 931702-541, 931719-850, and CD03XL. This means you can trust compatibility with your HP ProBook lineup and avoid the guesswork of cross-referencing batteries from third parties, all while preserving device performance and reliability.
• Warranty & Support: Includes an 18-month manufacturer warranty in the USA. This comprehensive coverage backs manufacturing quality and function under normal use, and it’s paired with responsive customer support to address any questions or concerns about installation, performance, or replacements.
• Design for Everyday Use: Built to endure daily professional use, with dependable cell chemistry and durable construction. The battery is designed to fit the slim profile of ProBook models and deliver steady, consistent power—helping you stay productive without frequent recharges during critical tasks.

Technical Details of BTI 931719-850-BTI

• Battery Type: Li-Ion
• Voltage: 11.4V
• Capacity: 48Wh
• Cells: 3-cell
• Model Fits: HP ProBook 640 G4, 640 G5, 645 G4, 650 G4, 650 G5
• Replaces OEM: 931702-421, 931702-541, 931719-850, CD03XL
• Warranty: 18 Months (USA)

how to install BTI 931719-850-BTI

Installing your BTI 931719-850-BTI battery is straightforward with common hand tools and minimal downtime. Follow these steps to ensure a safe and proper replacement:

• Power down your HP ProBook completely and disconnect from any power source. If possible, remove the existing battery before proceeding to reduce the risk of electric shock or short circuits.
• Locate and remove the back panel or access cover that shields the battery compartment. Use the appropriate screwdriver to loosen screws and carefully lift the panel away from the chassis.
• Disconnect the old battery connector from the motherboard with steady, gentle pressure. Remove the old battery from its bay, taking care not to bend any cables or connectors.
• Align the BTI 931719-850-BTI battery with the bay, ensuring that the connector lines up with the socket. Reconnect the battery cable securely, confirming a snug fit without any loose connections.
• Secure the battery with the original fasteners or screws, then snap the back panel back into place. Reattach any screws you removed and tighten them evenly to avoid panel distortion.
• Power on the laptop. If prompted to calibrate the battery, follow the on-screen instructions. For best results, allow the battery to reach a full 100% charge, then use the laptop normally until it triggers a low battery notification, and finally recharge again to complete the calibration cycle.
• After installation, monitor the first few charge/discharge cycles to ensure the battery health indicator reads accurately and the system recognizes the new battery without errors.

Frequently asked questions

• Q: Is this battery compatible with HP ProBook 640 G4? A: Yes. It is designed to fit HP ProBook 640 G4, and also compatible with 640 G5, 645 G4, 650 G4, and 650 G5 models listed in the product compatibility details.
• Q: What OEM numbers does this BTI battery replace? A: It replaces 931702-421, 931702-541, 931719-850, and CD03XL, offering a direct replacement option for those part numbers.
• Q: What is the warranty period? A: The battery comes with an 18-month manufacturer warranty in the United States, covering defects and quality issues under normal use.
• Q: What runtime can I expect? A: Runtime varies with usage, settings, and device configuration. With a 48Wh capacity, the battery is designed to extend unplugged work sessions compared to smaller-capacity packs, but actual run times depend on screen brightness, processor activity, and connected peripherals.
• Q: How should I care for and maximize battery life? A: To maximize longevity, avoid exposing the battery to extreme temperatures, calibrate the battery after installation, and use power-saving settings such as reduced screen brightness and sleep timers. Regular software updates and avoiding deep discharges can also help maintain health over time.