# BTI Replacement 3-Cell Laptop Battery for Lenovo ThinkPad E14 G4, 11.1V 4050mAh

**URL:** https://aio.lv/en/product--bti-5b10x02606-bti--12442515
**Data updated:** 2026-05-18 02:41 (EEST)
**Category:** Portable Device Batteries
**Manufacturer:** BTI
**Manufacturer code:** 5B10X02606-BTI
**EAN:** 886734892568
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 140.49 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 116.11 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bti-5b10x02606-bti--12442515

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

This BTI replacement 3-cell lithium-ion battery is designed for the Lenovo ThinkPad E14 G4 laptop. It features a capacity of 4050 mAh (45 Wh) and a voltage of 11.1 V, providing a reliable power source for your device. This black battery is a high-quality alternative for maintaining optimal laptop performance and extended runtime. Ideal for users needing a dependable replacement for their original battery unit.

## Long description

The BTI replacement 3-cell laptop battery is a high-quality power solution specifically engineered for the Lenovo ThinkPad E14 G4. This lithium-ion battery provides a reliable and stable power supply, ensuring your laptop maintains its performance during mobile use. With a capacity of 4050 mAh and a voltage of 11.1 V, this unit serves as an effective alternative to the original manufacturer battery, helping to restore your device's runtime and overall efficiency.
Advantages
This replacement battery offers a seamless fit for your Lenovo ThinkPad E14 G4, ensuring compatibility and ease of installation. By utilizing advanced lithium-ion technology, it provides a consistent energy output without the memory effect associated with older battery types. Its robust construction ensures durability, while the 45 Wh capacity allows for extended periods of productivity away from a power outlet, making it an essential component for maintaining the portability of your laptop.
Suitable for
Users requiring a replacement for a degraded original laptop battery
Professionals working remotely who need reliable battery life
Students needing extended runtime for lectures and study sessions
Maintaining optimal performance for Lenovo ThinkPad E14 G4 laptops
When it may not be suitable
This battery is designed exclusively for the Lenovo ThinkPad E14 G4 model. It is not compatible with other laptop brands or different series within the Lenovo lineup. If your laptop model does not match the specified compatibility, this unit will not function correctly.
Key specifications
Battery technology: Lithium-Ion (Li-Ion)
Capacity: 4050 mAh (45 Wh)
Voltage: 11.1 V
Color: Black
Compatibility: Lenovo ThinkPad E14 G4
How to use
To install the battery, first ensure your laptop is completely powered off and disconnected from any external power adapters. Access the battery compartment according to your laptop's service manual, remove the old unit, and carefully insert the BTI replacement battery into the slot until it is securely seated. Once installed, close the compartment and connect your power adapter to charge the battery fully before the first use. It is recommended to perform a full charge and discharge cycle to calibrate the battery management system.
What to consider before purchase
Verify your laptop model number matches the Lenovo ThinkPad E14 G4
Check the physical dimensions and connector type of your current battery
Ensure your laptop is not under a warranty that prohibits third-party battery replacements
Usage recommendations
For optimal battery health, avoid exposing the laptop to extreme temperatures and try to keep the battery charge between 20% and 80% during daily use. If the laptop will not be used for an extended period, store the battery in a cool, dry place with a partial charge.

## Specifications

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery capacity | 4050 mAh |
| Number of battery cells | 3 |
| Battery voltage | 11.1 V |
| Battery capacity | 45 Wh |
| Number of batteries included | 1 pc(s) |
| Product colour | Black |

### Technical details

| Feature | Value |
|---|---|
| Brand compatibility | Lenovo |

## FAQ

### How much does the BTI Replacement Battery for Lenovo ThinkPad E14 G4 cost, and is it available for purchase?

The price is 140.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can BTI Replacement Battery for Lenovo ThinkPad E14 G4 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 BTI 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 BTI 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: battery technology, battery capacity, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/12442515/68781194_large.webp