# Internal laptop battery Lenovo 01AV421 73900mAh

**URL:** https://aio.lv/en/product--lenovo-73900--5026862
**Data updated:** 2026-02-12 14:16 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Lenovo
**Manufacturer code:** 739,00
**EAN:** 5706998650474
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 247.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 204.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lenovo-73900--5026862

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Internal replacement battery Lenovo 01AV421 with a stated capacity of 73900mAh. Designed for compatible Lenovo laptop models as a direct internal power source. Suitable for restoring battery life, enabling longer unplugged use, and replacing worn or defective original cells. Installation requires opening the laptop and following manufacturer instructions.

## Long description

Internal laptop battery Lenovo 01AV421 with a stated capacity of 73900mAh is an internal replacement designed to restore or extend the portable power of compatible Lenovo laptop models. It serves as a direct internal power source to replace worn, degraded, or defective original cells. Installation requires accessing the laptop interior following the manufacturer’s service instructions and proper safety procedures.
Advantages
This internal battery provides a high nominal capacity intended to increase unplugged runtime compared with a depleted original pack. As a replacement part it is shaped and connector-compatible for specific Lenovo models, allowing direct swap-in without external adapters. The battery is designed for standard internal mounting and electrical connection, helping to recover original device mobility.
Suitable for
Replacing worn or failing internal batteries in compatible Lenovo laptops
Restoring expected battery runtime for older devices
Repair shops performing laptop battery replacements
Users who need longer unplugged use and have a compatible model
Key specifications
Type: internal rechargeable laptop battery
Capacity: 73900mAh (manufacturer-stated)
Compatibility: designed for certain Lenovo laptop models (check model fit before purchase)
Mounting: internal replacement format with original-style connector
Intended use: direct replacement of internal cells to restore power
How to use
Before beginning installation, power down the laptop, disconnect all peripherals and remove external power. Access the internal battery by opening the laptop chassis according to the device manufacturer’s service manual. Disconnect the old battery connector, remove the battery securing hardware, and install the Lenovo 01AV421 battery in the same orientation. Reconnect the battery cable, refit screws and covers, then reconnect external power and boot the system to verify proper detection and charging. Follow any BIOS or operating system battery calibration recommendations after initial installation.
Usage recommendations
Use appropriate electrostatic discharge (ESD) precautions and only proceed if you are comfortable with internal laptop repairs or consult a qualified technician. Verify the specific Lenovo model compatibility before purchase and follow the original manufacturer’s instructions for disassembly and reassembly to avoid damage to the device.

## FAQ

### How much does the Lenovo internal battery 01AV421 cost, and is it available for purchase?

The price is 247.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 09.07.2026 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 Lenovo internal battery 01AV421 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

## Image

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