# Battery for Lenovo notebook L21M4PD8 4350mAh by extra digital, replacement pack

**URL:** https://aio.lv/en/product--extra-digital-nb482757--11614378
**Data updated:** 2025-12-31 08:58 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** extra digital
**Manufacturer code:** NB482757
**EAN:** 9990000482757
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 46.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 38.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--extra-digital-nb482757--11614378

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Replacement notebook battery compatible with Lenovo model L21M4PD8. Manufactured by extra digital with a rated capacity of 4350mAh. Designed as a direct replacement to restore laptop runtime, suitable for mobile work, travel and everyday use. Provides reliable power for typical office tasks, web browsing and media playback. Installation follows OEM-style contact layout.

## Long description

Extra Digital Advanced replacement notebook battery for Lenovo (model L21M4PD8) with a nominal capacity of 4350mAh and rated voltage 15.4V. This Li‑polymer battery is designed as a direct replacement to restore runtime for compatible Lenovo ThinkBook 16 G4 series models and uses rechargeable cells without memory effect, allowing recharging at any convenient time.
Advantages
This Extra Digital Advanced battery uses balanced, high‑quality Li‑polymer cells to provide stable output and maximum usable capacity for everyday laptop use. The absence of a memory effect means the battery can be charged intermittently without reducing its effective capacity. The product comes with a 12‑month warranty and is intended as a drop‑in replacement following the OEM contact layout.
Suitable for
Lenovo ThinkBook 16 G4 and ThinkBook 16 G4+ models listed with part number L21M4PD8
Replacing a worn or failing notebook battery
Mobile work, travel and everyday office tasks
Web browsing, video playback and light productivity use
Key specifications
Capacity: 4350mAh
Voltage: 15.4V
Cell type: Li‑polymer
Manufacturer: Extra Digital
Compatible part numbers: L21M4PD8, L21C4PD8, L21D4PD8, L21L4PD8, SB11F09735, SB11F09737, SB11F09739
Warranty: 12 months
How to use
Power down the laptop, unplug the charger and remove the old battery following the laptop manufacturer’s disassembly instructions. Install the Extra Digital L21M4PD8 battery into the OEM‑style contact bay and secure it according to the laptop model’s procedure. Reconnect the AC adapter and allow the battery to charge fully before first use to calibrate the system battery indicator.
Usage recommendations
Dispose of used batteries and accumulators only in designated collection containers marked with the battery/accumulator recycling symbol. If you are unsure about model compatibility, consult a product specialist before purchase.

## FAQ

### How much does the Battery extra digital Lenovo L21M4PD8 4350mAh cost, and is it available for purchase?

The price is 46.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 02.07.2026 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. 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 extra digital 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 extra digital 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

https://aio.lv/img/cache/product/11614378/66782182_large.webp