# Battery t6 power for Lenovo ThinkPad T440p T540p W540 L440 L540 5200mAh 56Wh

**URL:** https://aio.lv/en/product--t6-power-nbib0110--3515442
**Data updated:** 2025-12-29 10:58 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** t6 power
**Manufacturer code:** NBIB0110
**EAN:** 8595605517142
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Replaceable laptop battery by t6 power compatible with Lenovo ThinkPad T440p, T540p, W540, L440 and L540. Nominal capacity 5200mAh (56Wh) designed to restore portable power for extended use away from mains. Fits original battery bay and supports standard charging; suitable for travel, mobile work and replacing worn original cells.

## Long description

Replaceable Li-ion battery compatible with Lenovo ThinkPad T440p, T540p, W540, L440 and L540. Nominal capacity 5200 mAh (56 Wh) and nominal voltage 10.8 V. The battery fits the original battery bay and is intended to restore portable power for extended use away from mains. Colour: black. Dimensions: 206 x 51 x 20 mm. Weight: 300 g. Manufacturer references: 0C52863, 45N1144, 45N1145, 45N1146, 45N1147, 45N1148, 45N1149, 57+. Brand: t6 power. MPN: NBIB0110. EAN: 8595605517142.
Advantages
The Li-ion cell chemistry and 5200 mAh capacity provide a balance of energy density and runtime comparable to original laptop batteries. The battery is designed to fit original mounting points and electrical contacts, supporting standard charging via the laptop’s charging circuitry. Compact dimensions and a moderate weight allow simple replacement without altering the laptop’s form factor.
Suitable for
Lenovo ThinkPad T440p — battery replacement
Lenovo ThinkPad T540p — extended mobile use
Lenovo ThinkPad W540 — workstation portability
Lenovo ThinkPad L440 and L540 — travel and field work
Key specifications
Type: Li-ion
Capacity: 5200 mAh (56 Wh)
Voltage: 10.8 V
Colour: black
Dimensions: 206 x 51 x 20 mm
Weight: 300 g
Manufacturer references: 0C52863, 45N1144–45N1149, 57+
Compatible models: Lenovo ThinkPad L440, L540, T440p, T540p, W540, W541
Brand: t6 power — MPN: NBIB0110 — EAN: 8595605517142
How to use
Power the laptop off and disconnect the mains adapter. Remove the existing battery following the laptop manufacturer’s instructions and replace it with the t6 power battery, ensuring correct alignment of contacts and secure mounting. Reconnect the mains adapter and charge the battery fully before first use. Use the laptop’s built-in battery management tools to monitor charge status and health.
Usage recommendations
Store and use the battery at moderate temperatures, avoid prolonged exposure to heat or moisture, and follow the laptop maker’s guidelines for charging cycles. Dispose of the battery in accordance with local electronic waste regulations.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All t6 power products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized t6 power service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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