# Internal laptop battery Lenovo 57Wh Li‑Ion 3‑cell (model 5B10W13940)

**URL:** https://aio.lv/en/product--lenovo-5b10w13940--10466347
**Data updated:** 2026-04-29 13:47 (EEST)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** 5B10W13940
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 155.49 €
**Prices and availability valid until:** 2026-08-13 23:59
**Price without VAT (21%):** 128.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-5b10w13940--10466347

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 11.08.2026 | free |
| Pickup points | 14.08.2026 | 1.89 EUR |
| Courier delivery to door | 14.08.2026 | 4.99 EUR |

## Summary description

Replacement internal lithium‑ion battery for compatible Lenovo laptops, rated 57Wh and configured as a 3‑cell pack. OEM model 5B10W13940 provides primary power for mobile use, restoring runtime for users who need longer battery life or a worn original cell. Suitable for laptop repairs, battery swaps, and keeping devices operational on the go.

## Long description

Replacement internal lithium‑ion battery designed for compatible Lenovo laptops, rated at 57Wh and configured as a 3‑cell pack. This OEM-style unit restores portable runtime for systems with diminished battery life and is intended for use as a direct replacement in models that accept the same physical size and connector. The battery supplies primary power for mobile work, travel, and situations where mains power is unavailable or impractical.
Advantages
This 57Wh 3‑cell Li‑Ion battery offers a balance between capacity and compactness, providing extended operation compared with deeply discharged or worn original cells. Being an internal replacement pack, it integrates into the laptop chassis without adding external bulk and maintains the original device form factor. The Li‑Ion chemistry delivers stable voltage output and a predictable discharge profile suitable for everyday productivity tasks.
Suitable for
Replacing a worn or failing internal battery in compatible Lenovo laptops
Extending mobile runtime for office applications, web browsing, and media playback
Laptop repairs and refurbishments where an internal 3‑cell 57Wh pack is specified
Users who require a factory‑style internal battery rather than an external power bank
When it may not be suitable
This battery is not suitable for laptops that require a different physical size, cell count, connector type, or higher voltage/wh rating than 57Wh 3‑cell packs. It will not fit or function in models designed for external replaceable batteries or proprietary form factors unless explicitly listed as compatible. If your device specifies a different capacity or external battery solution, choose a matching product instead.
Key specifications
Battery type: Lithium‑ion (Li‑Ion)
Nominal capacity: 57Wh
Cell configuration: 3‑cell pack
Intended use: Internal laptop battery (replaceable inside laptop chassis)
Typical applications: Mobile productivity, web browsing, light multimedia
How to use
Power down the laptop, unplug the charger, and follow the manufacturer’s instructions for safe battery replacement. Remove the back cover or service panel using appropriate tools, discharge residual current by pressing the power button briefly, and disconnect the old battery from its connector before removing mounting screws or clips. Place the new 57Wh 3‑cell pack into the compartment, secure it with the original fasteners, reconnect the battery cable, and reassemble the device. After reassembly, charge the battery fully before heavy use to allow the system to recalibrate its fuel‑gauge readings.
What to consider before purchase
Confirm physical compatibility: size, mounting points, and connector type match your laptop
Verify that a 57Wh, 3‑cell Li‑Ion replacement is specified for your model
Check warranty and return policy for battery replacements
Ensure you have the proper tools and electrostatic precautions for internal servicing
Usage recommendations
Store and operate the battery within manufacturer‑recommended temperature ranges, avoid deep discharges when possible, and use the laptop’s power management settings to moderate charge cycles. For long‑term storage, leave the battery at around 40–60% charge and check it periodically. If unsure about disassembly, seek professional service to ensure safe installation.

## FAQ

### How much does the Lenovo internal battery 57Wh 3‑cell 5B10W13940 cost, and is it available for purchase?

The price is 155.49 € (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 11.08.2026 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. 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 Lenovo 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 Lenovo 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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