# Battery BTI 57Wh 4-cell L20C4P71-BTI compatible for Lenovo ThinkPad X1 Yoga Gen 8, 15.4V, 3600 mAh, Black

**URL:** https://aio.lv/en/product--hp-l20c4p71-bti--11829453
**Data updated:** 2026-03-09 14:38 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** HP
**Manufacturer code:** L20C4P71-BTI
**EAN:** 5059902053572
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 141.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 116.93 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-l20c4p71-bti--11829453

## 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

Replacement BTI 57Wh 4‑cell lithium‑ion laptop battery L20C4P71-BTI compatible with Lenovo ThinkPad X1 Yoga Gen 8 and listed Lenovo part numbers. Capacity 3600 mAh (57 Wh) at 15.4 V; colour black. Designed as a single spare battery for portable power in mobile work, travel, and on‑site use, supporting standard charging and operation routines.

## Long description

Replacement BTI 57Wh 4-cell lithium-ion laptop battery L20C4P71-BTI compatible with Lenovo ThinkPad X1 Yoga Gen 8 and several ThinkPad X1 Carbon generations. This 15.4 V, 3600 mAh (57 Wh) battery is supplied in black and intended as a single spare battery to restore portable runtime for mobile work, travel, and on-site use. It supports standard charging and operation routines of compatible Lenovo systems and is designed to match the form factor and electrical requirements of the listed notebook models.
Advantages
The BTI 57Wh battery uses Lithium-Ion technology to provide a compact power source with a balance of capacity and weight suitable for thin-and-light business notebooks. Its 3600 mAh capacity at 15.4 V offers a predictable energy reserve for extended unplugged use compared with lower-capacity cells. Supplied as a single unit in black, the battery is intended for straightforward replacement and compatibility with the charging system and power-management features of supported ThinkPad models.
Suitable for
 Lenovo ThinkPad X1 Yoga Gen 8
 ThinkPad X1 Carbon generations compatible with the same battery form factor
 Replacing a depleted internal battery to restore mobile runtime
 Use as a spare battery for travel and fieldwork
Key specifications
 Battery technology: Lithium-Ion (Li-Ion)
 Capacity: 3600 mAh (57 Wh)
 Nominal voltage: 15.4 V
 Cell count: 4-cell configuration
 Colour: Black
 Quantity included: 1 battery
How to use
Power down the notebook and disconnect all external power and peripherals before replacing the battery. Follow the laptop manufacturer's service instructions to access and remove the existing battery, then install the BTI L20C4P71-BTI ensuring correct alignment and secure connectors. After installation, connect the AC adapter and allow the system to recognize and calibrate the new battery according to the notebook's power-management prompts. Use the operating system or BIOS battery indicators to confirm proper charging and state-of-charge readings.
Usage recommendations
For safe and reliable operation, use the replacement battery only with compatible Lenovo ThinkPad models as specified. Avoid exposing the battery to extreme temperatures, moisture, or physical damage. Follow standard charging practices: allow the battery to charge fully on first use, avoid prolonged storage at full charge or at very low state of charge, and use the original or manufacturer-approved AC adapter and charging routines for best results.

## Specifications

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

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery capacity | 3600 mAh |
| Number of battery cells | 4 |
| Battery voltage | 15.4 V |
| Battery capacity | 57 Wh |
| Number of batteries included | 1 pc(s) |
| Product colour | Black |

### Technical details

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

## FAQ

### How much does the BTI 57Wh laptop battery L20C4P71-BTI for ThinkPad X1 Yoga cost, and is it available for purchase?

The price is 141.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 57Wh laptop battery L20C4P71-BTI for ThinkPad X1 Yoga 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 HP 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 HP 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.

### Where can I download the instructions for BTI 57Wh laptop battery L20C4P71-BTI for ThinkPad X1 Yoga?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/11829453/67284826_large.webp