# Battery pack Lenovo 80Wh 4-cell lithium-ion, compatible laptop replacement 5B11N45429

**URL:** https://aio.lv/en/product--lenovo-5b11n45429--11829585
**Data updated:** 2026-03-09 14:38 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** 5B11N45429
**EAN:** 5715063422816
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 131.49 €
**Prices and availability valid until:** 2026-08-17 23:59
**Price without VAT (21%):** 108.67 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-5b11n45429--11829585

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.08.2026 | free |
| Pickup points | 06.08.2026 | 1.79 EUR |
| Courier delivery to door | 06.08.2026 | 4.99 EUR |

## Summary description

Lenovo 80Wh 4-cell lithium‑ion battery pack (MPN 5B11N45429) is a replacement power unit designed for compatible Lenovo laptops. It provides 80 watt‑hours of capacity using four lithium‑ion cells to extend runtime and support mobile productivity. Suitable for users needing longer battery life for travel, office work, or field use and for replacing worn original batteries.

## Long description

Lenovo 80Wh 4-cell lithium-ion battery pack is a replacement power unit for compatible Lenovo laptops, designed to restore or extend mobile runtime. With an 80 watt-hour capacity delivered by four lithium-ion cells, this battery pack supports prolonged use away from mains power and is intended as a functional replacement for worn or failing internal batteries in supported laptop models.
Advantages
This battery pack offers a balance of energy capacity and compact design to increase laptop runtime without altering device portability. It uses a four-cell lithium-ion configuration to provide stable voltage output and consistent performance during typical office, travel, and remote-work scenarios. The unit is designed for easy installation and is compatible with relevant Lenovo chassis and battery connectors, providing a practical option for maintenance or battery replacement.
Suitable for
 Extending laptop runtime during travel or commuting
 Replacing worn or degraded original batteries to restore operating time
 Field work where access to mains power is limited
 Office use when longer unplugged sessions are required
Key specifications
 Capacity: 80 Wh
 Cell count: 4 lithium‑ion cells
 Chemistry: Lithium‑ion
 Form factor: Internal laptop battery pack designed for compatible Lenovo models
 Typical use: Replacement for extended runtime and battery maintenance
How to use
Power down the laptop and disconnect it from the AC adapter before servicing. Remove the access panel or rear cover according to the laptop manufacturer’s service instructions, then carefully disconnect the original battery from the internal connector. Install the replacement battery into the compartment, ensuring alignment of contacts and secure mounting. Reassemble the cover, reconnect the AC adapter and charge the battery fully before first use to calibrate the battery management system.
Usage recommendations
For optimal performance and longevity, keep the battery between approximately 20% and 80% state of charge when possible, avoid prolonged storage at full charge or fully discharged states, and operate the laptop within recommended temperature ranges. Use the laptop’s power management settings to reduce unnecessary load and update firmware or power management drivers from Lenovo when available.

## FAQ

### How much does the Lenovo battery 80Wh 4-cell 5B11N45429 cost, and is it available for purchase?

The price is 131.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 03.08.2026 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: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. 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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