BTI FPCBP592-BTI Battery for Fujitsu LifeBook U7411/U7511/U7512/E4512/E5512/E5512A — 4-Cell 65Wh Li-Ion Replacement

Power your Fujitsu LifeBook with an authentic BTI replacement battery that delivers dependable performance, extended runtimes, and safe operation. The BTI FPCBP592-BTI is engineered to meet or exceed OEM specifications, providing a reliable 15.12V Li-Ion energy source designed for LifeBook models and built to handle everyday professional use—from long flights to back-to-back meetings. This 4-cell battery is designed for a balanced blend of capacity, weight, and price, offering a practical upgrade path for users seeking more unplugged productivity without sacrificing reliability. With BTI’s commitment to quality and an 18-month manufacturer warranty, you gain peace of mind along with a dependable, ready-to-work power solution for your notebook.

• Extended runtime with 65Wh capacity at 15.12V and a compact 4-cell design, enabling hours of productivity between charges for Fujitsu LifeBook work sessions, presentations, and remote work without frequent recharges.
• Certified compatibility with popular LifeBook models (U7411, U7511, U7512, E4512, E5512, E5512A), ensuring a snug fit, stable power delivery, and seamless charging as part of your laptop’s original power ecosystem.
• OEM replacement that replaces FPCBP592, FPB0360S, and FMVNBP253, providing a straightforward swap that requires no adapters or special tools and maintains your device’s warranty integrity.
• Enhanced safety and reliability features, including built-in protection against overcharge, short circuits, and thermal fluctuations, using high-quality Li-Ion cells to preserve capacity and minimize memory effect over time.
• 18-month manufacture warranty and responsive support, offering confidence in your purchase and protection against defects while keeping your LifeBook ready for business travel and daily tasks.

Technical Details of BTI FPCBP592-BTI Battery

• Model: BTI FPCBP592-BTI
• Type: 4-Cell Li-Ion Battery
• Voltage: 15.12V
• Capacity: 65Wh
• Chemistry: Lithium-ion (Li-Ion)
• Cells: 4-cell configuration
• Fits: FUJITSU LIFEBOOK U7411, U7511, U7512, E4512, E5512, E5512A
• Replaces OEM: FPCBP592, FPB0360S, FMVNBP253
• Warranty: 18 Months Manufacture Warranty
• Notes: Designed to deliver reliable performance in professional environments; maintains compatibility with original charging protocols and safety standards

how to install BTI FPCBP592-BTI Battery

• Power down your Fujitsu LifeBook completely and unplug the AC adapter and any peripheral devices before starting the battery replacement process.
• Place the laptop on a clean, static-free surface and, if available, remove the bottom cover or access panel according to your LifeBook model’s service guide. Use the correct screwdriver for the screws and keep them organized for reassembly.
• Carefully locate the existing battery in the battery bay. Disconnect any battery connector cables from the motherboard or battery docking port, taking care not to pinch or bend the terminals.
• Release the old battery from its retention mechanism and gently slide it out of the bay. Align the new BTI FPCBP592-BTI so the connectors match the motherboard port and slide it into place until it is firmly seated.
• Reconnect the battery connector, reassemble the bottom cover, and secure all screws. Plug in the charger and perform a full charge cycle to calibrate the new battery. Power on the device and confirm BIOS/OS recognizes the battery and reports charging status accurately.

Frequently asked questions

• Q: Is this battery compatible with my Fujitsu LifeBook?
  A: Yes. It is designed to fit Fujitsu LIFEBOOK models U7411, U7511, U7512, E4512, E5512, and E5512A and acts as an authentic OEM replacement for FPCBP592, FPB0360S, and FMVNBP253.
• Q: What is the capacity and runtime I can expect?
  A: The battery offers 65Wh of capacity at 15.12V. Actual runtime depends on usage, power settings, screen brightness, and applications; typical professional use will see significantly longer unplugged operation compared to older or lower-capacity batteries.
• Q: How does the BTI battery stay safe?
  A: It includes built-in safety protections against overcharge, short circuits, and temperature fluctuations. High-quality Li-Ion cells and matched voltage regulation help maintain reliable performance while protecting your notebook components.
• Q: Does replacing the battery affect my warranty?
  A: This battery is designed as an OEM replacement, and when used as intended in compatible LifeBook models, it preserves the notebook’s warranty terms. If you have concerns, consult your manufacturer’s warranty policy or contact BTI support.
• Q: What should I do to maximize battery lifespan?
  A: For best long-term performance, avoid exposing the battery to extreme temperatures, perform regular calibration cycles (after a few full discharge/charge cycles), and use the device on a moderate power plan when possible to minimize deep discharges.