BTI VV09XL-BTI 11.4V 90Wh Li-Polymer Battery for ZBook 15 G3/G4 (OEM References: 808398-2B2, VV09090XL-PL, 808451-001, 808452-001, 808452-002)

Power your ZBook 15 G3 or ZBook 15 G4 with the BTI VV09XL-BTI 11.4V 90Wh Li-Polymer Battery, a high-capacity replacement designed to extend work sessions, travel-ready reliability, and uncompromised performance for demanding professional tasks. This battery is built to replace key OEM codes including 808398-2B2, VV09090XL-PL, 808451-001, 808452-001, and 808452-002, ensuring a seamless fit with the ZBook 15 series. With a substantial 90Wh capacity and a sleek Li-Polymer chemistry, it delivers a robust power reserve while maintaining a lighter weight and improved energy density compared with older generations. Whether you’re rendering complex 3D scenes, running CAD software, or compiling large datasets, this BTI replacement is engineered to keep pace with your workflow without adding bulk to your workstation. The 11.4V system provides a stable, consistent power delivery that helps minimize sudden voltage drops during processor-intensive tasks, so you can stay productive even when you’re away from a power outlet. The battery is designed as a true plug-and-play replacement, offering a straightforward swap that preserves the original chassis fit, connectors, and mounting points for ZBook 15 G3 and G4 laptops.

• Compatibility and OEM references: A precise replacement for the ZBook 15 G3 and ZBook 15 G4, compatible with OEM part numbers 808398-2B2, VV09090XL-PL, 808451-001, 808452-001, and 808452-002. This ensures a seamless fit, reliable electrical contact, and the same mounting footprint as the original battery so you can swap without any modifications or adapters.
• High-capacity runtime: 90Wh capacity translates into longer operating times between charges, helping you power through extended editing sessions, complex modeling, and multi-application workflows. The substantial energy reserve is especially valuable for professionals who travel or work on-site, where charging opportunities may be limited. A consistent, dependable supply means less downtime and more time delivering results.
• Li-Polymer chemistry for safer performance: Lithium Polymer cells offer improved energy density and a lighter footprint compared with older Li-ion designs. This means you get more power in a slimmer package, with enhanced thermal characteristics that help maintain performance under load. The chemistry supports efficient charging cycles and helps reduce the risk of memory effect, contributing to a longer overall battery lifespan when treated with proper care.
• Built-in safety and reliability features: The BTI battery is equipped with smart protection circuitry to guard against overcharge, over-discharge, short circuits, and overheating. This integrated protection helps preserve both the battery and the host laptop, promoting safer operation during charging and use. Rigorous quality standards are applied to ensure consistent performance across charge cycles, so you can rely on steady power as you work.
• Easy installation and plug-and-play design: This replacement is engineered for a direct plug-and-play swap. No specialized tools or adapters are required—simply power down the ZBook, remove the old battery, connect the new BTI VV09XL-BTI, and reassemble. For best results, perform the replacement on a non-conductive surface and follow your ZBook 15 G3/G4 service manual to ensure connectors are seated properly and the bottom cover is securely reattached.

Technical Details of BTI VV09XL-BTI 11.4V 90Wh Li-Polymer Battery

• Voltage: 11.4V
• Capacity: 90Wh
• Battery chemistry: Li-Polymer
• Model compatibility: ZBook 15 G3, ZBook 15 G4
• OEM references: 808398-2B2, VV09090XL-PL, 808451-001, 808452-001, 808452-002
• Replacement for: BTI VV09XL-BTI 11.4V 90Wh battery (direct OEM-equivalent swap)
• Form factor: Standard laptop battery configuration compatible with ZBook 15 series

How to install BTI VV09XL-BTI 11.4V 90Wh Battery

• Power down your ZBook 15 G3 or G4 and unplug any connected peripherals. Ensure the device is completely off before beginning the replacement.
• Remove the bottom panel using the appropriate screwdriver to access the battery compartment. Gently set the panel aside on a non-conductive surface.
• Disconnect the existing battery from its connector, taking care not to bend any cables or damage the connector.
• Remove the old battery from its mounting brackets. Take note of the orientation and alignment so the new battery can be installed in the same position.
• Install the new BTI VV09XL-BTI battery by aligning it with the mounting points and reconnecting the battery plug securely. Reattach the bottom cover and tighten screws to factory torque specifications.
• Power on and calibrate the system. Allow the battery to fully charge before first use and perform a few discharge/charge cycles to calibrate the battery management system for optimal accuracy and longevity.

Frequently asked questions

• Q: Is this BTI VV09XL-BTI battery compatible with ZBook 15 G3 and ZBook 15 G4 models?
• A: Yes. This battery is designed as a direct replacement for the ZBook 15 G3 and ZBook 15 G4 lines and matches OEM part numbers 808398-2B2, VV09090XL-PL, 808451-001, 808452-001, and 808452-002.
• Q: What is the capacity and voltage of this battery?
• A: The battery provides 90Wh of capacity at 11.4V, delivering substantial runtime for demanding workloads while maintaining stable power delivery during intensive tasks.
• Q: What type of battery chemistry is used?
• A: The BTI VV09XL-BTI uses Li-Polymer (Li-Polymer) cells, offering high energy density in a lighter, safer package with strong cycle performance.
• Q: Are there safety features built into the battery?
• A: Yes. The battery includes integrated protection circuitry to guard against overcharge, over-discharge, short circuits, and overheating, helping protect both the battery and the laptop.
• Q: Is this installation a plug-and-play replacement?
• A: It is designed to be a direct replacement with no special adapters required. However, follow standard anti-static precautions and refer to your service manual for your specific ZBook model during installation.