The DENAQ NM-42T4235-6 6-Cell 4400mAh Li-Ion Laptop Battery is designed for select IBM Thinkpad models, providing extended battery life with 4400mAh of lithium-ion power. The high-quality construction ensures reliable performance and a longer battery life than the original battery. Suitable for models E40, L410, L412, L420, SL410, SL410k 2842, SL510, SL510 2847, T510i, T520, W510, W520.

Exterior Leather: Certified Full-Grain French Calfskin & Textured Epsom Leather.
Hardware: Solid brass spring clasp and dual keyring electroplated in 24K brilliant gold or lustrous palladium.
Edge Finish: Seven hand-applied coats of Italian edge lacquer with fine wax buffing.
Dimensions & Weight: Approx. 12cm – 15cm total drop; ultralight 45g – 85g designed not to stress handbag hardware.

Designed for universal pairing across your luxury handbag collection:
• Engineered spring clasp clips effortlessly to handle rings, strap buckles, or luggage tags.
• Includes detachable split keyring for keys, AirTags, or micro pouch attachment.
• Compatible with Hermès Birkin/Kelly, Louis Vuitton Speedy/Neverfull, Chanel Classic Flap, and Dior Lady bags.

• Complimentary Worldwide Insured Delivery: On all orders over $99.
• Signature Presentation Box: Heavyweight rigid slide box, micro-suede travel pouch, and authenticity card included.
• 30-Day Atelier Guarantee: Unconditional 30-day returns and 2-year warranty on leather stitching and hardware.