BTI WJ5R2-BTI 11.4V 84Wh Li-Ion Battery for Dell Latitude E5570 & Precision 3510

The BTI WJ5R2-BTI 11.4V 84Wh Li-Ion Battery is a purpose-built replacement designed to restore peak performance to your Dell Latitude E5570 laptop and Precision 15 3510 workstation. Crafted to meet or exceed original equipment standards, this battery delivers reliable power, extended run time, and dependable safety features so you can work, create, and respond without frequent recharges. Whether you’re tackling intensive data analysis, multimedia editing, or long days on the road, this high-capacity battery helps you stay productive, not tethered to an outlet. Supported by premium lithium-ion cells and smart protection circuitry, it’s engineered to provide consistent voltage, efficient charging, and a stable power profile throughout its life cycle.

• Long-lasting capacity: 84Wh capacity provides extended runtime on a single charge, helping you maximize productivity between sessions away from the desk.
• High compatibility: Specifically designed to fit Dell Latitude E5570 and Precision 15 3510 models, including multiple part numbers such as 04F5YV, WJ5R2, 4F5YV, CLP-04F5YV, and CPL-4F5YV, ensuring a reliable replacement option for many configurations.
• Reliable Li‑ion technology: Lithium-ion chemistry delivers stable energy output, consistent performance, and a light, compact form factor ideal for upgrading old batteries without adding bulk.
• Smart safety protections: Built-in protection against overcharge, short-circuit, overheating, and excessive discharge, helping preserve laptop components and extending battery life.
• Easy replacement and installation: Designed as a straightforward drop-in replacement that mirrors OEM dimensions and connector layout for a seamless swap with minimal downtime.

Technical Details of BTI WJ5R2-BTI 11.4V 84Wh Li-Ion Battery

• Voltage: 11.4V
• Capacity: 84Wh
• Chemistry: Li-ion (Lithium-Ion)
• Compatibility: Dell Latitude E5570, Precision 15 3510
• Part numbers and references: 04F5YV, WJ5R2, 4F5YV, CLP-04F5YV, CPL-4F5YV

How to install BTI WJ5R2-BTI 11.4V 84Wh Li-Ion Battery

• Power down and unplug: Shut down your Dell laptop completely and remove any connected cables or peripherals. Wait a moment to ensure all components have fully stopped before you begin.
• Remove the back panel: Flip the laptop and locate the battery compartment. Use the appropriate screwdriver to remove the screws securing the back cover and gently lift the panel to reveal the internal battery.
• Disconnect the old battery: If there is a battery connector securing the battery, carefully disconnect it from the motherboard. In some models, the battery is fastened with additional brackets—remove these as needed.
• Remove and replace: Detach the old battery from its anchored position and place the new BTI WJ5R2-BTI battery into the compartment. Align the connector with the socket and firmly but gently reconnect it.
• Reassemble and test: Reattach any brackets, replace the back panel, and secure with screws. Power on the device to confirm it recognizes the new battery and shows a charging status. Allow the battery to calibrate with normal usage before heavy workloads.

Frequently asked questions

• Q: Is this BTI battery a direct OEM replacement for Dell Latitude E5570 and Precision 15 3510?
  A: Yes. The BTI WJ5R2-BTI 11.4V 84Wh Li-Ion Battery is designed as a high-quality replacement that matches the form factor, connectors, and performance characteristics expected by Dell laptops in these series, including model variants listed in the product references.
• Q: What kind of runtime can I expect from a fully charged BTI WJ5R2-BTI battery?
  A: Runtime depends on usage, screen brightness, and workload. With 84Wh capacity, you can anticipate extended session lengths compared with older or lower-capacity batteries, enabling more work between charges in typical office, multimedia, and field scenarios.
• Q: Are there safety features built into this battery?
  A: Yes. The cell chemistry and internal protection circuitry help guard against overcharge, short circuits, overheating, and deep discharge, contributing to safer operation and better battery longevity.
• Q: How should I care for this battery to maximize life?
  A: Practice good battery hygiene: avoid exposing the battery to extreme temperatures, do not leave the laptop plugged in at 100% all day, and perform regular calibration if your device recommends it. Use a compatible charger and keep the device and battery firmware up to date when available.
• Q: Where can I find warranty or return information for this replacement battery?
  A: Warranty and return terms vary by seller and region. Check the product page or seller policy for detailed information on coverage, duration, and any conditions related to replacement or refunds.