2-power Lenovo IdeaPad S540-15IML 81NG hlavný akumulátorový balík - batéria - 70 mAh (2P-5B10W67275)

Your Lenovo IdeaPad S540-15IML 81NG may be a powerful ultrabook, but its internal battery inevitably degrades with every charge cycle. Over time, you notice shorter runtimes, unexpected shutdowns, and the constant hunt for a power outlet. This 2-Power replacement battery restores your laptop's mobility and reliability, giving you back the freedom to work, stream, or create wherever you are.

Who is it for

This battery is engineered for owners of the Lenovo IdeaPad S540-15IML (model 81NG) who need a dependable, long-lasting power source. Whether you're a student attending lectures, a professional traveling between meetings, or a home user who values portability, this battery ensures your laptop stays powered through demanding tasks.

Main features

• Premium lithium-ion cells deliver 3900mAh / 45Wh capacity for extended runtime.
• Precisely matches original specifications: 11.52V, 3-cell configuration.
• Built-in protection against overcharge, over-discharge, overcurrent, and short circuits.
• CE and RoHS certified for safety and environmental compliance.
• Designed for internal installation; replaces Lenovo part numbers L18M3P71, L18C3P71, L18L3P71, L18D3P71.
• Rated for 300-500 charge cycles, ensuring long-term value.

Specifications

• Brand: 2-Power
• Model: 2P-5B10W67275
• Battery type: Li-ion
• Voltage: 11.52V
• Capacity: 3900mAh / 45Wh
• Number of cells: 3
• Colour: Black
• Condition: New
• Compatibility: Lenovo IdeaPad S540-15IML 81NG
• Replaces OEM part numbers: L18M3P71, L18C3P71, L18L3P71, L18D3P71
• Certifications: CE, RoHS
• Protection: Overcharge, over-discharge, overcurrent, short circuit
• Cycle life: 300-500 cycles

Tips

For optimal performance, fully charge and discharge the battery two to three times during initial use to calibrate the power gauge. Avoid exposing the battery to extreme temperatures, and store it at around 50% charge if not used for extended periods. Always power down and unplug your laptop before installation.