Battery Technology SB11F21945 57Wh 11.52V 3-cell Battery

Never worry about your Lenovo laptop dying in the middle of a project again. The Battery Technology SB11F21945 57Wh 11.52V 3-cell Battery is a high-capacity lithium-ion replacement that fits your device perfectly, giving you reliable power when you need it most.

Battery Technology Battery

Enjoy the confidence of a battery that feels as dependable as the original. With a solid 57 Wh capacity, you’ll notice longer sessions between charges, letting you work, study or play without constantly hunting for an outlet. The fit is seamless, so you won’t have to adjust anything - just swap it in and keep going.

Benefits of Battery Technology Battery

• Longer runtime: Extends your laptop use by several hours compared with a worn-out cell.
• Consistent power: Provides stable 11.52 V output for smooth performance.
• Reduced downtime: Fewer charge cycles mean you spend less time plugged in.
• Cost-effective: Replaces an expensive OEM battery with a reliable alternative.
• Peace of mind: CE and UKCA certified for safety and compliance.

Key Features of a 57 Wh Battery

• Brand compatibility: Lenovo. Works with all compatible Lenovo models.
• Battery colour: Black. Blends discreetly with your laptop’s design.
• Battery capacity: 57 Wh. Offers substantial energy for extended use.
• Battery voltage: 11.52 V. Delivers the correct voltage for optimal operation.
• Number of cells: 3. Balanced cell count ensures reliable performance.
• Battery technology: Lithium-Ion (Li-Ion). Provides high energy density and low self-discharge.
• Compliance certificates: CE, UKCA. Meets European safety standards.
• Packaging data: 1 pc(s). Comes as a single, ready-to-install unit.
• Summary capacity: 4950 mAh. High milliamp-hour rating translates to longer work periods.

Usages of a 57 Wh Battery

This battery is ideal for students, professionals and travellers who rely on their Lenovo laptops for long hours away from power sources. It also suits anyone looking to replace an ageing battery to restore original performance without the hassle of frequent recharging.

Specifications