42T4820 Battery for Lenovo ThinkPad T400s T410s Laptop - 11.1V 3900mAh 6-Cell Li-Ion
€47.99
Tax included
The 42T4820 battery is a replacement for Lenovo ThinkPad T400s and T410s laptops with 11.1V and 3900mAh (44Wh). It is compatible with part numbers such as 42T4833 and 42T4691. It is a new product, with a 3-year warranty and shipping from Spain in 24-48 hours.
42T4820
42T4820 Battery for Lenovo ThinkPad T400s T410s Laptop - 11.1V 3900mAh 6-Cell Li-Ion
Replacement battery for Lenovo ThinkPad T400s and T410s. New, with 3 years warranty.
- 3900mAh / 44Wh
- 11.1V
- 6 Li-Ion Cells
- New
Key features
-
Precise Capacity
3900mAh / 44Wh for reliable and long-lasting autonomy.
-
Specific Voltage
11.1V, designed for the electronics of compatible Lenovo laptops.
-
Li-Ion Technology
6 Lithium-Ion cells for stable performance and no memory effect.
-
Guaranteed Compatibility
Direct replacement for part number 42T4820 and multiple equivalents.
Product description
The replacement battery with reference 42T4820 is designed to replace the original battery in Lenovo ThinkPad laptops of the T400s and T410s series. With a voltage of 11.1V and a capacity of 3900mAh (44Wh), this 6-cell battery with Li-Ion technology ensures reliable autonomy for the device.
It includes protections against overvoltage and undervoltage to guarantee the safety of the laptop and its components. It is an ideal solution for technical services and users who need to replace an exhausted or defective battery, ensuring compatibility with a wide list of original part numbers such as 42T4833, 42T4691, and 42T4519.
- Voltage: 11.1V
- Capacity: 3900mAh (44Wh)
- Number of cells: 6
- Technology: Li-Ion (Lithium-Ion)
- Condition: New product
This product is completely new and is delivered checked and with a 3-year warranty.
Before making the purchase, it is essential to verify that the part number of your original battery is in the compatibility list. You can also check the exact model of your Lenovo ThinkPad laptop. This ensures correct installation and operation without inconvenience.
Who is this product for?
For technical services and private users who need to replace the battery of a Lenovo ThinkPad T400s or T410s laptop to restore its autonomy.
Ideal for
- Replacement of an exhausted battery in a Lenovo ThinkPad T410s.
- Repair of a laptop that does not turn on without being connected to power.
- Component renewal in a Lenovo ThinkPad T400s to extend its useful life.
- Having a spare battery for jobs that require mobility.
Technical specifications
| Voltage | 11.1 V |
|---|---|
| Capacity | 3900 mAh |
| Energy | 44 Wh |
| Number of Cells | 6 |
|---|---|
| Technology | Li-Ion |
| Color | Black |
| Condition | New |
|---|---|
| Warranty | 3 years |
Compatibility
Compatible part numbers
- 42T4820
- 42T4833
- 42T4691
- 42T4832
- 42T4522
- 42T4519
- 51J0497
- 42T4688
- 42T4690
Compatible laptop models
- Lenovo ThinkPad T410s
- Lenovo ThinkPad T400s
- Lenovo ThinkPad T410si
Always check the part number printed on your original part before ordering; if in doubt, contact us with the exact model of your device.
Frequently asked questions
Is it necessary to calibrate the battery the first time I use it?
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 normally until the battery is completely discharged and the device turns off. Finally, charge it back to 100% without interruptions. This cycle helps the system recognize the battery's real capacity and optimizes its performance.
What warranty does the battery have and what do I do if it doesn't fit or doesn't work?
The battery has a 3-year warranty for private customers and 6 months for professionals. If upon receipt it does not fit or does not work correctly, you have 14 days to request a return. You can send it on your own or request a home collection for 8.90 € in Spain and Portugal, which will be deducted from the refund.
How long does the order take to arrive?
All our shipments are made from Spain. For orders in Spain and Portugal, the delivery time is 24 to 48 business hours. For France, the delivery time is 48 to 72 hours, and for Germany, 48 to 96 hours. For the rest of the European Union, delivery is made within 2 to 5 business days.
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-LE149
Data sheet
- CG. Reference
- 42T4820
- CG. Type of piece
- Battery
- CG. State
- New
- CG. Warranty
- 3 years
- CB. Voltage
- 11.1 V
- CB. Number of cells
- 6
- CB. Cell technology
- Li-Ion
- CB. Color
- Black
- CB. Capacity
- 3900 mAh
- CB. Overload protection
- Yeah.
Yes
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42T4820 replacement battery for Lenovo ThinkPad laptops. Offers 11.1V, 3900mAh, and 44Wh capacity with 6 Li-Ion cells. Compatible with multiple references such as 42T4833 and 42T4522. New product with 3 years warranty.
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