45N1143 Battery for Lenovo Laptop - 11.1V 3400mAh 6-Cell Li-Ion
€37.99
Tax included
The 45N1143 battery is a compatible replacement for Lenovo laptops, with a capacity of 3400 mAh and a voltage of 11.1V. Designed with 6 Li-Ion cells, it is a reliable alternative to the original part. It is a new product, with a 3-year warranty and shipping from Spain in 24-48 h.
45N1143
45N1143 Battery for Lenovo Laptop - 11.1V 3400mAh 6-Cell Li-Ion
Compatible replacement battery, new and with a 3-year warranty.
- 3400 mAh
- 11.1V / 10.8V
- 6 Li-Ion Cells
- New
Key features
-
Nominal Capacity
3400 mAh for extended autonomy, similar to the original.
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Voltage
11.1V, compatible with systems using 10.8V batteries.
-
Cell Technology
6 Li-Ion (Lithium-Ion) cells for stable performance.
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Protection Circuits
Includes protection against overcharge, over-discharge, and overvoltage.
Product description
This replacement battery with reference 45N1143 is the ideal solution to restore the autonomy of your Lenovo laptop. Designed to offer reliable and safe performance, it has a capacity of 3400 mAh and a nominal voltage of 11.1V, also being compatible with 10.8V systems.
Built with 6 Li-Ion (lithium-ion) cells, this battery integrates protection circuits against overcharge, over-discharge, and overvoltage, ensuring the safety of both the component and the equipment. It is a completely new component, verified by our technical service to ensure its correct functioning.
Before making the purchase, it is essential to verify that the part number 45N1143 matches that of your original battery to ensure total compatibility.
Who is this product for?
For technical services and individual users who need to replace the depleted or defective battery of a compatible Lenovo laptop.
Ideal for
- Replacement of an original 45N1143 battery that no longer holds a charge.
- Repair of Lenovo laptops that do not turn on without being connected to power.
- Having a second battery to extend the workday without access to an outlet.
Technical specifications
| Capacidad | 3400 mAh |
|---|---|
| Voltaje | 11.1V (compatible with 10.8V) |
| Cell technology | Li-Ion |
| Number of cells | 6 |
| Overcharge protection | Yes |
|---|---|
| Over-discharge protection | Yes |
| Color | Black |
| Condition | New |
|---|
Frequently asked questions
How can I be sure that this 45N1143 battery is compatible with my Lenovo laptop?
The safest way is to remove the current battery from your laptop and check the label. If the printed part number is '45N1143', compatibility is guaranteed. The laptop model is a good guide, but the part number of the component is the definitive confirmation to avoid errors.
Is it necessary to calibrate the new battery the first time it is used?
Yes, it is highly recommended. To calibrate it, charge the battery to 100% with the laptop turned off. Then, turn it on and use it with the battery until it is completely depleted and the computer turns off. Finally, recharge it to 100% without interruptions. This process helps the operating system display the real charge level.
What approximate autonomy can I expect from this 3400 mAh battery?
Battery life depends on laptop usage (screen brightness, running programs, connectivity). With 3400 mAh, you can expect autonomy similar to that of the original battery when it was new. Generally, this translates to several hours of office use or web browsing.
What warranty does this battery have and what does it cover?
We offer a 3-year warranty for private customers and 6 months for companies or professionals, as it is a consumable component. The warranty covers manufacturing defects and premature failures, such as a drastic loss of capacity. It does not cover natural wear and tear from use or damage due to mishandling.
If the battery does not work or is not correct, can I return it?
Yes, you have 14 days from receipt to return the product. Return shipping is at your expense, or we can arrange a home collection for 8.90 € in Spain and Portugal, an amount that will be deducted from the refund. The product must be returned in perfect condition.
Warranty, returns and shipping
- Warranty: 3-year warranty (1 year for business customers)
- Returns: 14-day returns (ship it yourself or €8.90 home pickup in Spain and Portugal)
- Shipping: EU delivery 48-120 h
- Condition: New
BAT-LE83
Data sheet
- CG. Reference
- 45N1143
- CG. Type of piece
- Laptop battery
- CG. China
- GreenCell
- CG. State
- New
- CG. Warranty
- 3 years (6 months for companies)
- CB. Voltage
- 11.1V
- CB. Number of cells
- 6
- CB. Cell technology
- Li-Ion
- CB. Color
- Black
- CB. Capacity
- 3400 mAh
- CB. Overload protection
- Yeah.
Yes
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Frequently purchased together
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45N1143 replacement battery for Lenovo laptops. Offers 11.1V (10.8V compatible) and 3400 mAh capacity with 6 Li-Ion cells. Includes overcharge and over-discharge protection. New product with a 3-year warranty.
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