Battery Green Cell LE05 for Lenovo ThinkPad T410 T420 T510 T520 W510 Edge 14 15 E525 — 11.1V 4400mAh Li-Ion, 6 cells, black

The Green Cell LE05 battery is a replacement battery compatible with a range of Lenovo ThinkPad models including T410, T420, T510, T520, W510, Edge 14, Edge 15 and E525. It uses Lithium‑Ion chemistry and provides 4400 mAh capacity in a black housing. The battery is designed to restore portable power to older ThinkPad machines, offering a direct-fit solution that replaces worn or degraded original packs and helps extend mobile working time between charges.

Advantages

The Green Cell LE05 offers stable discharge characteristics and a capacity intended to support typical office and travel use. Its Lithium‑Ion technology provides a balance of energy density and weight for notebook applications. The pack is produced to match the physical dimensions and connector arrangement of compatible ThinkPad models, enabling straightforward installation and reliable electrical contact. The black finish matches the look of many Lenovo laptops.

Suitable for (tasks / use cases)

• Replacing a worn or failing battery in Lenovo ThinkPad T410/T420/T510/T520/W510 laptops
• Extending runtime for mobile office work, email, web browsing and document editing
• Keeping a spare battery for travel, meetings or field work
• Restoring usable battery life in refurbished or legacy ThinkPad notebooks

Key specifications

• Battery technology: Lithium‑Ion (Li‑Ion)
• Rated capacity: 4400 mAh
• Colour: Black
• Compatibility: Select Lenovo ThinkPad T410, T420, T510, T520, W510, Edge 14, Edge 15, E525

How to use

Turn off the laptop and disconnect any power adapter before replacing the battery. Remove the existing battery according to the laptop manufacturer’s instructions, align the Green Cell LE05 pack with the battery bay and slide it into place until it clicks and locks. Reconnect the power adapter and start the laptop. Allow the new battery to charge fully before first extended use to help the battery management system estimate capacity accurately.

Recommendations

Use the battery within the laptop’s specified temperature range and avoid prolonged exposure to high temperatures. For storage, keep the battery at around 40–60% charge in a cool, dry place and charge it every few months if not used. Do not disassemble or expose the battery to fire or water. If the battery shows signs of damage, swelling or unusual heat, stop using it and dispose of it according to local regulations for lithium‑ion batteries.