# Battery for Lenovo laptops 5B10W51863 — Lithium-Ion 52.5Wh / 3400 mAh, internal, black

**URL:** https://aio.lv/en/product--lenovo-525wh-lithium-ion-internal--11829467
**Data updated:** 2026-03-09 14:38 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** 52.5Wh Lithium-Ion internal
**EAN:** 5715063324974
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 98.49 €
**Prices and availability valid until:** 2026-08-13 23:59
**Price without VAT (21%):** 81.40 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-525wh-lithium-ion-internal--11829467

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 04.08.2026 | free |
| Pickup points | 07.08.2026 | 1.89 EUR |
| Courier delivery to door | 07.08.2026 | 4.99 EUR |

## Summary description

Replacement internal laptop battery compatible with Lenovo models, part number 5B10W51863. Lithium‑Ion chemistry with 52.5Wh nominal energy and 3400 mAh capacity. Designed as an internal spare for portable devices, black finish, suitable for restoring runtime and replacing worn cells in compatible Lenovo notebooks.

## Long description

Replacement internal laptop battery compatible with Lenovo notebooks. This Lithium‑Ion battery provides 52.5Wh nominal energy and 3400 mAh capacity in a black enclosure, intended as an internal spare to restore operating time and replace worn or degraded cells in compatible models.
Advantages
The Lithium‑Ion chemistry offers a balance of energy density and weight suitable for portable devices, delivering stable voltage and predictable discharge characteristics. The internal design fits into the notebook chassis without altering the external profile, and the black finish matches many Lenovo models. Using an original-compatible internal battery can restore battery runtime and improve the device’s mobility when the previous pack no longer holds sufficient charge.
Suitable for
Replacing a depleted or failing internal battery in compatible Lenovo laptops
Restoring mobile runtime for everyday office and web browsing tasks
Repair and refurbishment of used Lenovo notebooks
Key specifications
Battery technology: Lithium‑Ion (Li‑Ion)
Nominal energy: 52.5 Wh
Capacity: 3400 mAh
Mounting: internal laptop battery form factor
Colour: black
How to use
Power down the laptop and disconnect it from any external power source. Remove the device’s access panel or back cover according to the manufacturer service instructions, then unplug and remove the depleted battery. Install the replacement internal battery in the same orientation, reconnect the battery connector securely, reassemble the laptop and charge the battery fully before normal use. Refer to the laptop’s service manual for model-specific disassembly and safety precautions.
Usage recommendations
For safe operation, use this Lithium‑Ion battery only in compatible Lenovo models and handle with care to avoid puncture or short circuits. Calibrate the battery by charging to full and then discharging to recommended levels occasionally, avoid prolonged storage at full charge or at very low states of charge, and store in a cool, dry place when not in use.

## Specifications

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

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery capacity | 3400 mAh |
| Number of battery cells | 4 |
| Battery voltage | 15.44 V |
| Battery capacity | 52.5 Wh |
| Product colour | Black |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |
| Brand compatibility | Lenovo |

### Other features

| Feature | Value |
|---|---|
| Country of origin | China |

## FAQ

### How much does the Lenovo 5B10W51863 laptop battery 52.5Wh 3400mAh cost, and is it available for purchase?

The price is 98.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 48 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 04.08.2026 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, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Lenovo 5B10W51863 laptop battery 52.5Wh 3400mAh 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 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

### 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/11829467/67284768_large.webp