# Battery Lenovo ThinkPad 81+ 45N1039

**URL:** https://aio.lv/en/product--lenovo-45n1039--495827
**Data updated:** 2025-12-28 21:25 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** 45N1039
**EAN:** 5711045905476
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 158.49 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 130.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-45n1039--495827

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

The Lenovo ThinkPad 81+ Battery (45N1039) is designed for reliable performance and longevity. It features a high-capacity lithium-ion design, ensuring extended usage time for your laptop. This battery is compatible with various Lenovo ThinkPad models, providing a perfect fit and easy installation. With built-in safety features, it protects against overcharging and overheating, making it a safe choice for your device.

## Long description

Stay unplugged longer with the genuine Lenovo ThinkPad 81+ Battery (45N1039). This rechargeable Lithium‑Ion battery provides extended runtime for compatible ThinkPad laptops and can serve as a replacement for an aging system battery or as a spare. The battery is designed for a secure fit and straightforward installation, and includes built‑in safety measures to reduce the risk of overcharging and overheating.
Advantages
The Lithium‑Ion design offers high capacity and consistent power delivery to prolong device use between charges. As an original Lenovo part, the 45N1039 matches the form factor and electrical specifications of supported ThinkPad models. Integrated safety features help protect the laptop and battery from overcharge and excessive temperature, while the compact black unit adds minimal weight.
Suitable for
 Replacing worn or degraded battery in compatible Lenovo ThinkPad laptops
 Keeping as a spare battery for extended work away from power sources
 Users who require reliable, manufacturer‑specified battery compatibility
Key specifications
 Model: Lenovo ThinkPad 81+ (45N1039)
 Battery technology: Lithium‑Ion (Li‑Ion)
 Weight: 0.41 kg
 Colour: Black
 Manufacturer part number (MPN): 45N1039
 EAN: 5711045905476
How to use
Power off the laptop or put it in a safe shutdown state, then remove the existing battery following the laptop manufacturer’s instructions. Align the Lenovo ThinkPad 81+ battery (45N1039) with the battery bay and insert until it clicks into place. After installation, connect the laptop to a power source and allow the battery to charge fully before first use to ensure proper calibration.
Usage recommendations
Use the battery in accordance with Lenovo’s safety guidelines: avoid exposure to high temperatures, store in a cool dry place when not in use, and use only approved chargers. Dispose of the battery following local regulations for electronic waste.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Number of battery cells | 6 |
| Battery voltage | 11.1 V |
| Battery capacity | 44 Wh |
| Product colour | Black |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.41 kg |
| Height | 48 mm |
| Width | 295 mm |
| Depth | 132 mm |

## FAQ

### How much does the Battery Lenovo ThinkPad 81+ cost, and is it available for purchase?

The price is 158.49 € (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 13.07.2026 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: 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

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

When making a choice, we recommend paying attention to the key features: battery technology, weight, 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/495827/55853925_large.webp