2-power Main Battery Pack Lenovo ThinkPad T490S 20NX - Batterie - 55 mAh (2P-5B10W13910)

Keep your Lenovo ThinkPad T490S running through the longest workdays with this 2-Power main battery pack. Delivering 57 Wh of dependable power from a 4-cell lithium-ion configuration, it restores full mobility and eliminates the need to stay tethered to a wall outlet. Engineered as a direct replacement for the original battery, it fits seamlessly inside the ThinkPad T490S (20NX) chassis and matches the original part numbers L18M3P71, L18L3P71, and L18C3P71.

Advantages

This battery is built with advanced safety electronics that guard against overcharge, over-discharge, over-current, short-circuit, and overheating. The 11.55 V output is precisely tuned for the ThinkPad T490S platform, ensuring stable performance and a long service life. With CE and RoHS certifications, it meets strict quality and environmental standards, giving you confidence in every charge cycle.

Suitable for

• Lenovo ThinkPad T490S (20NX) users who need a reliable replacement battery
• Professionals who travel frequently and require all-day computing power
• IT departments maintaining fleets of ThinkPad T490S laptops
• Anyone experiencing reduced battery life or unexpected shutdowns on their T490S

Key specifications

• Battery technology: Lithium-Ion (Li-ion)
• Capacity: 57 Wh
• Voltage: 11.55 V
• Number of cells: 4
• Compatible brand: Lenovo
• Compatible product line: ThinkPad
• Compatible models: ThinkPad T490S, ThinkPad T490S (20NX)
• Replaces OEM part numbers: L18M3P71, L18L3P71, L18C3P71
• Colour: Black
• Installation type: Internal
• Safety features: Overcharge, over-discharge, over-current, short-circuit, over-temperature protection
• Certifications: CE, RoHS
• Condition: New

Recommendations

For optimal performance, fully charge the battery before first use and calibrate it every few months by allowing it to discharge completely and then recharging to 100%. Store the battery in a cool, dry place when not in use for extended periods.