Battery Lenovo L340 SP L18M3PF2 11.25V 36Wh 3-cell replacement battery

Replacement battery Lenovo L340 SP L18M3PF2 11.25V 36Wh 3-cell replacement battery is a direct-fit power module for compatible Lenovo laptops. Rated at 11.25 volts and 36 watt-hours with a 3-cell configuration, this battery is intended to restore the original voltage and capacity of notebooks that use the L18M3PF2 designation. The unit is suitable for replacing worn or failing batteries to recover predictable runtime for everyday tasks, mobile work, and travel.

Advantages

This Lenovo L340 SP battery provides the specified 11.25V output and 36Wh capacity to match original equipment manufacturer (OEM) parameters where applicable. The 3-cell design offers a compact form factor that fits laptops designed for the L18M3PF2 model. Installation restores battery-powered operation without changing the device's charging behavior or system power management. The replacement battery is intended to meet the same electrical characteristics as the original to ensure compatibility and safe charging.

Suitable for

• Replacing a depleted or failing battery in compatible Lenovo notebooks that accept L18M3PF2 / L340 SP modules
• Extending portable runtime for office applications, web browsing and video playback
• Restoring battery life for travel and remote work where mains power is not available
• Use as a spare unit to have on hand for quick replacement

Key specifications

• Model: L340 SP (L18M3PF2)
• Manufacturer part number (MPN): 5B10W67321
• Voltage: 11.25 V
• Capacity: 36 Wh
• Cell count: 3-cell
• Category: Batteries for portable devices
• Brand: Lenovo

How to use

Power off the laptop and disconnect the AC adapter before replacing the battery. Follow the notebook manufacturer's instructions to access and remove the existing battery, taking care to use appropriate tools and avoid damaging connectors. Insert the Lenovo L340 SP L18M3PF2 battery in the correct orientation and secure any retention screws or latches. Reconnect the AC adapter and allow the system to recognize the new battery; a full charge cycle is recommended after installation to calibrate the battery indicator.

Recommendations

Use the replacement battery only in compatible Lenovo models that specify L18M3PF2 / L340 SP modules. Observe standard battery safety: avoid exposure to high temperatures, physical shock, or water; do not attempt to disassemble the battery; and use the original or compatible chargers. For best long-term performance, perform occasional full charge/discharge cycles and store the battery at about 40–60% charge if not used for extended periods.