2-power Lenovo IdeaPad S540-15IML 81NG pääakku - akku - 70 mAh (2P-5B10W67209)

Laptop internal battery engineered to restore full mobility to Lenovo IdeaPad S540-15IML notebooks, delivering 45 Wh of dependable power in a 3-cell lithium-ion pack. This replacement unit matches the fit and function of original Lenovo batteries L18M3PF2, L18C3PF2, L18L3PF2, and L18D3PF2, ensuring a straightforward installation and reliable charging behaviour.

Advantages

The 11.52 V output and 3900 mAh capacity provide consistent performance for everyday computing, video streaming, and office productivity. Built-in protection against overcharge, over-discharge, and short circuits safeguards both the battery and your laptop. CE and RoHS certifications confirm compliance with European safety and environmental standards.

Suitable for

• Lenovo IdeaPad S540-15IML (model 81NG)
• Users replacing original battery part numbers L18M3PF2, L18C3PF2, L18L3PF2, L18D3PF2
• Technicians and DIY upgraders seeking a cost-effective, brand-compatible power solution

Key specifications

• Battery technology: Lithium-Ion (Li-Ion)
• Voltage: 11.52 V
• Capacity: 3900 mAh / 45 Wh
• Number of cells: 3
• Colour: Black
• Rechargeable: Yes
• Installation: Internal (requires opening laptop)
• Safety certifications: CE, RoHS
• Protection features: Overcharge, Over-discharge, Short circuit

Recommendations

For best results, fully charge and discharge the battery two to three times after installation to calibrate the power gauge. Always power off and disconnect the laptop before replacing the internal battery.