BTI PK03XL-BTI 11.4V 56WHR Li-Ion Battery – Replacement for PRO X360 Series

The BTI PK03XL-BTI 11.4V 56WHR Li-Ion Battery is a premium, OEM-equivalent replacement designed to power the PRO X360 family with reliability, safety, and extended runtime. Built to match the PK03XL specifications, this battery delivers steady, consistent energy for demanding workloads, travel, and everyday use. With a robust 56Wh capacity and a nominal voltage of 11.4V, it provides meaningful uptime between charges while maintaining a compact, lightweight footprint. If you’re upgrading an aging battery or stocking spare power for business travel, this PK03XL-BTI battery is engineered to keep you productive without interruption. It’s a smart choice for professionals who demand performance that aligns with the original hardware, ensuring a seamless fit, dependable cycles, and dependable charging behavior.

• OEM-equivalent replacement part for PK03XL and PK03056XL-PL, preserving original-fit connectors, electrical characteristics, and performance to maintain seamless compatibility with your PRO X360 system.
• Extended runtime with high energy density: 56Wh capacity translates into longer operation between charges for mixed workloads, video calls, editing, and multitasking on the go.
• Advanced safety and quality controls: built-in protection circuits for overcharge, short-circuit, and temperature, with RoHS and CE-compliant manufacturing and rigorous testing for reliability.
• Drop-in, user-friendly installation: identical form factor and connector layout allow for a straightforward swap with minimal downtime and no extensive modification.
• Broad compatibility across the PRO X360 family and related 13-4xxx models: designed to work with PRO X360 G1, PRO X360 G2, and multiple model variants such as 13-4001na, 13-4050na, 13-4104na, 13-4105ns, 13-4129na, X360 13-4001, 13-4001DX, 13-4002DX, 13-4003DX, 13-4004TU, and related configurations.

Technical Details of BTI PK03XL-BTI 11.4V 56WHR Li-Ion Battery

• Battery type: Li-ion
• Voltage: 11.4V
• Capacity: 56Wh
• Replacement for: PK03XL, 789116-005, PK03056XL-PL
• Compatible models: PRO X360 G1, PRO X360 G2, 13-4001na, 13-4050na, 13-4104na, 13-4105ns, 13-4129na, X360 13-4001, 13-4001DX, 13-4002DX, 13-4003DX, 13-4004TU, and related X360 configurations
• Certifications and testing: RoHS compliant, CE certified, and subjected to capacity and safety testing to ensure reliability

How to install BTI PK03XL-BTI 11.4V 56WHR Li-Ion Battery

• Power down your device completely and unplug from any power source. Ensure you’re working on a clean, static-free surface.
• Remove the back panel or bottom cover following the manufacturer’s service instructions for your PRO X360 model. Use the correct screwdriver to avoid stripped screws.
• Disconnect the existing battery connector from the motherboard with gentle, even pressure to avoid damaging pins or cables.
• Align the BTI PK03XL-BTI battery with the battery bay, slide it into place, and reconnect the connector to the motherboard. Ensure the connector is seated firmly and is not stressed.
• Secure the battery with the original mounting screws, reattach the back panel, and power on the device. Perform an initial full charge to calibrate the battery gauge, then use normally. If your device has a battery calibration routine, follow the manufacturer’s guidance for best results.

Frequently asked questions

• Q: Is this battery compatible with all PRO X360 models?
  A: This battery is designed for PRO X360 G1 and G2 configurations and aligns with listed model variants such as 13-4001na, 13-4104na, 13-4105ns, 13-4129na, and related X360 models. If your model falls outside the listed variants, check the exact PK03XL compatibility or consult the product’s compatibility table from the OEM to confirm.
• Q: How long does a full charge typically last?
  A: Runtime depends on usage, screen brightness, workloads, and peripherals. The 56Wh capacity provides substantial uptime for typical productivity tasks, presentations, and multimedia work between charges. Real-world results vary by application and settings.
• Q: How should I care for this battery to maximize life?
  A: Keep the device within safe operating temperatures, avoid exposing the battery to extreme heat or cold, charge within the recommended range, and perform occasional calibration if your device’s battery gauge guidance suggests it. Use the original power adapter for charging to ensure stable voltage and current.
• Q: What safety features are built into this battery?
  A: The BTI PK03XL-BTI battery includes protective circuits for overcharge protection, short-circuit protection, and temperature monitoring. It is manufactured to meet RoHS and CE standards and is subjected to quality and safety testing to ensure reliable operation in daily use.