2-Power Main Battery Pack for Lenovo ThinkPad T490S 20NX - 55 Wh Li-ion

Upgrade your Lenovo ThinkPad T490S with the 2-Power CBP3843A main battery pack, a high-quality replacement designed to restore your laptop's mobility and performance. This 55 Wh lithium-ion battery ensures reliable power for your daily tasks, whether you're working remotely, in the office, or on the go. Manufactured to meet or exceed original specifications, it offers a perfect fit and seamless compatibility with select ThinkPad models.

Advantages

This battery pack provides a cost-effective alternative to the original, delivering the same capacity and reliability. With built-in protection circuits against overcharge, over-discharge, overcurrent, short circuit, and temperature extremes, your device and battery are safeguarded for long-term use. The 3-cell design balances power and weight, making it ideal for portable computing.

Suitable for

• Lenovo ThinkPad T490S (20NX, 20NY) laptops
• Users needing a replacement for worn-out or faulty batteries
• Professionals requiring extended runtime for travel or fieldwork

Key specifications

• Battery Type: Lithium-Ion (Li-ion)
• Capacity: 55 Wh
• Voltage: 11.52 V
• Cells: 3-cell
• Colour: Black
• Mounting: Internal
• Replaces FRU: 01AV480, 01AV481, 01AV482, SB10K97645, SB10K97646, SB10K97647
• Certifications: CE, RoHS, FCC

Recommendations

For optimal performance, fully charge the battery before first use and follow standard lithium-ion battery care practices. Ensure your laptop is powered off and disconnected from AC power during installation. This battery is designed for internal use only and should be installed by a qualified technician if you are not familiar with laptop hardware.