Green Cell L17L3P71 Internal Battery for Lenovo ThinkPad T480s

Description

The Green Cell L17L3P71 battery is a critical replacement component designed to restore mobility to Lenovo ThinkPad T480s professional laptops. On these models from the "Slim" range, the battery is exclusively internal, making cell quality and the precision of the protection circuit (BMS) essential for hardware safety. This product is aimed at IT maintenance technicians and fleet managers requiring reliability identical to the original OEM part.

Using Lithium-Polymer technology, this battery offers an energy density of 54Wh in an ultra-slim format. The integration of high-quality Green Cell cells guarantees an extended lifespan (up to 500 full charge cycles) while limiting internal heat. The battery firmware is fully compatible with the Lenovo power management system, allowing for accurate reading of remaining time and optimal management via Lenovo Vantage software.

The mechanical design respects the specific mounting points of the T480s chassis, ensuring stress-free installation on the motherboard. Precision ribbon connectors prevent any risk of loose connections, a vital element for professionals constantly on the move whose equipment is subject to regular vibrations.

Technical Specifications

• Manufacturer reference: L17L3P71 / L17M3P71 / LE146 (Green Cell)
• Technology / Material: Lithium-Polymer
• Compatibility: Lenovo ThinkPad T480s (Type 20L7, 20L8) exclusively
• Dimensions: 258 x 103 x 6 mm
• Weight: 240 g
• Power / Standards: 11.52V | 4650mAh | 54Wh
• Certifications: CE, RoHS, FCC

Workshop Advice & Usage

Replacing the battery on a ThinkPad T480s requires removing the bottom cover. Before any intervention, it is imperative to disable the internal battery in the BIOS (Power > Disable Built-in Battery) to avoid any short circuit when physically disconnecting the ribbon cable. Once the new battery is installed, reconnect the AC adapter to take the computer out of BIOS safety mode and reactivate the power supply.