Battery pack Lenovo RTC Nozomi3lt 04W1642 – replacement battery for compatible Lenovo devices

Lenovo replacement battery pack RTC Nozomi3lt 04W1642 is a spare battery designed for compatible Lenovo portable devices. It serves as a primary power source or as an RTC backup battery where supported, helping to restore device autonomy, replace aged cells, or support maintenance and repairs while following device-specific installation instructions.

Advantages

This Lenovo replacement battery (04W1642) is manufactured to match original equipment specifications for compatible models, providing a straightforward swap-in solution. The pack is intended for reliable power retention in devices that require an RTC or secondary backup battery and helps maintain system time and settings when primary power is removed.

Suitable for

• Replacing worn or failed RTC/backup batteries in compatible Lenovo laptops and portable devices
• Servicing and repairs where original backup power is needed
• Restoring device autonomy after primary battery failure

Key specifications

• Brand: Lenovo
• Manufacturer part number (MPN): 04W1642
• EAN/UPC: 5711045811494
• Product type: Replacement battery / RTC backup battery
• Category: Batteries for portable devices

How to use

Power off the device and follow the manufacturer’s service manual or device-specific instructions for safe removal of the old battery and installation of the replacement pack. Ensure connectors and orientation match the original component, secure the battery according to the device’s assembly guidelines, and power on to verify proper operation. If the device contains user-replaceable components, use appropriate tools and observe anti-static precautions.

Recommendations

Use this Lenovo replacement battery only in supported models listed by the device manufacturer. Do not short-circuit, puncture, or expose the battery to high temperatures. Recycle or dispose of the old battery according to local regulations.