Never worry about running out of power when you need your Lenovo laptop the most. The Battery Technology 5B11F21946 57Wh 11.52V 3-cell Battery is a replacement lithium-ion pack that restores full runtime, letting you work, study or stream without interruption.
Benefits of Battery Technology Battery
You enjoy reliable power that lasts through long meetings, giving you confidence to stay productive. The battery’s stable voltage means your device runs smoothly, reducing the risk of sudden shutdowns. Its high capacity provides extended use, so you can travel lighter without carrying a charger. The CE and UKCA certifications assure safety and compliance, giving you peace of mind. Over time the robust three-cell design maintains performance, protecting your investment.
Key Features of a 57 Wh Battery
- Brand compatibility: Lenovo. Fits your Lenovo notebook perfectly.
- Product colour: Black. Discreet look that matches the original design.
- Battery capacity: 57 Wh. Offers long operating time for demanding tasks.
- Battery voltage: 11.52 V. Supplies consistent power for stable performance.
- Number of battery cells: 3. Provides balanced energy distribution and durability.
- Battery technology: Lithium-Ion (Li-Ion). Delivers high energy density and low self-discharge.
- Compliance certificates: CE, UKCA. Meets European safety standards.
- Number of batteries included: 1 pc(s). Ready to install as a single replacement unit.
- Summary capacity: 4950 mAh. Ensures ample charge for extended sessions.
Usages of a 57 Wh Battery
A reliable power source fits seamlessly into everyday laptop use.
- Replacing an ageing original battery in a Lenovo laptop.
- Extending work sessions on the go without searching for outlets.
- Supporting long video calls or webinars from home or office.
- Powering intensive software such as CAD or video editing tools.
- Providing backup power during travel or remote locations.
Battery Technology Battery
Many shoppers hesitate, fearing that a third-party battery won’t match the original’s performance or safety. They often worry about reduced runtime, incompatibility, or lack of certification. This battery removes those doubts. It is specifically designed for Lenovo devices, carries the same voltage and capacity as the OEM pack, and holds CE and UKCA approvals, confirming it meets strict safety and quality standards. By choosing this 57 Wh, 11.52 V, 3-cell lithium-ion battery, you get a trustworthy, long-lasting power solution that behaves just like the factory unit.
Specifications
| Features |
| Brand compatibility | Lenovo |
| Product colour | Black |
| Battery capacity | 57 Wh |
| Battery voltage | 11.52 V |
| Number of battery cells | 3 |
| Battery |
| Battery capacity | 57 Wh |
| Battery technology | Lithium-Ion (Li-Ion) |
| Certificates |
| Compliance certificates | CE, UKCA |
| Packaging data |
| Number of batteries included | 1 pc(s) |
| Summary Details |
| Battery capacity | 4950 mAh |
