Battery 2‑Power for Lenovo ThinkBook 14‑IML / 14‑IIL / 15‑IML / 15‑IIL 11.55V 4650mAh

Replacement laptop battery 2‑Power compatible with Lenovo ThinkBook 14‑IML, 14‑IIL, 15‑IML and 15‑IIL. With a nominal voltage of 11.55V and a capacity of 4650mAh, this battery is designed to restore mobile runtime and replace worn original cells. It provides power for everyday office work, extended web browsing and moderate multimedia use while following the original form factor to fit into the laptop battery compartment.

Advantages

The battery delivers the stated voltage and capacity to ensure predictable runtime for common tasks. Its construction follows the shape and connector placement of the original battery for direct compatibility with the specified Lenovo ThinkBook models. Lightweight design and standardized mounting points make installation straightforward, while integrated protection circuitry helps prevent overcharge and short circuit conditions when used with compatible chargers and laptop systems.

Suitable for

• Extending portable runtime for office applications and productivity software
• Replacing an aged or failing battery in Lenovo ThinkBook 14‑IML / 14‑IIL / 15‑IML / 15‑IIL
• Using the laptop unplugged for web browsing, email and video conferencing
• Students and professionals needing reliable battery life during the day

Key specifications

• Nominal voltage: 11.55 V
• Capacity: 4650 mAh
• Battery type: rechargeable lithium‑ion pack
• Compatibility: Lenovo ThinkBook 14‑IML, 14‑IIL, 15‑IML, 15‑IIL form factor
• Typical use: notebook power supply for everyday computing tasks

How to use

Power down the laptop and disconnect any external power source before replacing the battery. Remove the service cover or unscrew the access panel according to the laptop manufacturer’s instructions, detach the old battery connector carefully and insert the replacement battery ensuring the connector and mounting tabs align. Reassemble the laptop, connect the mains adapter and allow the battery to charge fully before first use to reach optimal battery management and calibration.

Usage recommendations

To maximize lifespan, avoid deep discharges and store the battery at about 40–60% charge if not used for extended periods. Use the laptop’s power management settings to reduce screen brightness and background processes for longer runtime. Only use approved chargers and follow Lenovo guidance for service and safe disposal of the replaced battery.