The 42T4833 battery is a Li-Ion replacement for Lenovo ThinkPad T400s and T410s laptops, with 11.1V and 3900mAh (44Wh). Compatible with 8 part numbers, including 42T4691 and 51J0497. It is new, with a 3-year warranty and shipping from Spain in 24-48 h.
42T4833
42T4833 Battery for Lenovo ThinkPad T400s T410s Laptop - 11.1V 3900mAh 6-Cell Li-Ion
Li-Ion replacement battery with 44Wh of energy. New, with 3 years warranty.
3900 mAh / 44 Wh for reliable autonomy.
11.1 V, ensuring electrical compatibility with your device.
6 Li-Ion (Lithium-Ion) Cells for stable performance.
Designed for Lenovo ThinkPad T400s, T410s, and T410si series.
The replacement battery with reference 42T4833 is specifically designed for Lenovo ThinkPad T400s, T410s, and T410si series laptops. It operates at a voltage of 11.1V and has a capacity of 3900mAh (44Wh), distributed in 6 Li-Ion technology cells to ensure reliable autonomy.
This component is the ideal solution to replace an exhausted or defective battery, allowing you to restore your device's mobility. Each unit is new and has been verified in our technical service to guarantee its correct functioning and compatibility with the indicated part numbers and models. It comes with a 3-year warranty.
This battery includes internal protections against overvoltage and undervoltage to safeguard the integrity of the laptop and the battery itself during charge and discharge cycles. It is a direct replacement that fits perfectly into the device's chassis without the need for adapters.
For technical services and individual users who need to replace the battery of a Lenovo ThinkPad T400s or T410s laptop to restore its autonomy.
| Voltage | 11.1 V |
|---|---|
| Capacity | 3900 mAh |
| Energy | 44 Wh |
| Cell Technology | Li-Ion |
|---|---|
| Number of cells | 6 |
| Color | Black |
| Compatible with | Lenovo ThinkPad T400s, T410s, 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.
The safest way is to check the part number of your original battery. If it matches 42T4833 or any of the part numbers listed on our product page, it is compatible. You can also verify that your laptop model is a Lenovo ThinkPad T400s, T410s, or T410si.
Yes, it is highly recommended. To calibrate it, charge the battery to 100%, then use the laptop until the battery is almost completely discharged (5-10%), and finally recharge it to 100% without interruptions. This process helps the operating system recognize the battery's true capacity.
Autonomy depends on laptop usage (screen brightness, running programs, etc.). With a capacity of 44Wh, you can expect a duration similar to or greater than that of your original battery when it was new, generally between 2 and 4 hours for standard office use.
The battery has a 3-year warranty for private customers and 1 year for professionals. If it is not compatible or has any defect, you have 14 days to return it. 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.
Orders are prepared the same day if placed before 16:00 (15:00 on Fridays). Shipping to Spain and Portugal takes between 24 and 48 working hours. For other European Union destinations, the delivery time is 2 to 5 working days.
Data sheet
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