2-power Lenovo IdeaPad S540-15IML Main Battery Pack - Batterie - 52 mAh (2P-5B10W67354)

When your Lenovo IdeaPad S540-15IML starts shutting down unexpectedly or loses charge within minutes, it’s time to replace the worn-out power pack. This 2-Power main battery restores full mobility, letting you work from a café, attend back-to-back lectures, or stream video on the couch without hunting for a wall outlet. It’s a direct internal replacement for original Lenovo part numbers L18M3PF2, L18C3PF2, L18L3PF2, and L18D3PF2, so installation is straightforward for any technician or confident DIY user.

Key specifications

• Chemistry: Lithium-Ion (Li-ion)
• Capacity: 52 Wh (4561 mAh)
• Voltage: 11.4 V
• Number of cells: 3
• Colour: Black
• Protection: Overcharge, over-discharge, over-current, short-circuit
• Certifications: CE, RoHS
• Operating temperature: 0°C to 45°C

Why choose it

This battery is built to match or exceed the original cell quality, ensuring stable voltage output and long cycle life. The integrated protection circuit guards against common hazards, so you can charge overnight without worry. It’s a cost-effective alternative to OEM packs, backed by 2-Power’s reputation for reliable compatible power products.

Ideal use cases

• Students who need all-day battery life for note-taking and research
• Professionals working remotely or travelling frequently
• Home users replacing a swollen or dead original battery
• IT departments maintaining fleets of Lenovo IdeaPad S540-15IML laptops

Good to know

For best results, fully charge and discharge the battery two to three times after installation to calibrate the fuel gauge. The battery is designed for internal installation; if you’re not comfortable opening your laptop, seek professional assistance. Always verify your laptop model before ordering.