# Portable Power Bank 4smarts 541409 20000 mAh

**URL:** https://aio.lv/en/product--4smarts-541409--11461643
**Data updated:** 2025-12-04 16:43 (EET)
**Category:** Power Banks
**Manufacturer:** 4smarts
**Manufacturer code:** 541409
**EAN:** 4252011911011
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 40.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 33.88 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--4smarts-541409--11461643

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The 4smarts 541409 Portable Power Bank features a 20000 mAh Lithium Polymer battery, ensuring reliable power on the go. It supports fast charging technologies like Hisilicon FCP, Power Delivery 3.0, and Quick Charge 3.0. With one USB Type-A and one USB Type-C output port, it delivers a total output power of 45 W, making it ideal for charging multiple devices efficiently. The sleek grey design adds a modern touch to your tech accessories.

## Long description

Charge whenever you want without any additional cables. The power bank includes an integrated USB-C cable so you can plug in and continue working immediately wherever you are. For faster charging from a wall outlet, use an optional 30W USB-C power adapter. The compact unit measures 10.3 × 7.1 × 2.9 cm, weighs 0.33 kg and offers 20,000 mAh capacity with up to 45 W output, making it suitable for smartphones, tablets, headphones, portable gaming devices and some small laptops.
Advantages
The integrated USB-C cable, one USB-C port and one USB-A port allow charging of up to three devices simultaneously without a wall socket. Intelligent power distribution ensures stable charging when multiple devices are connected. An LCD display shows the remaining charge in percentage so you can monitor battery status precisely. With a capacity of 20,000 mAh and total output up to 45 W, the power bank is compact, lightweight and under 100 Wh, making it permitted for air travel.
Key specifications
Capacity: 20,000 mAh
Maximum output: 45 W
Ports: integrated USB-C cable, USB-C port, USB-A port
Display: LCD percentage indicator
Dimensions: 10.3 × 7.1 × 2.9 cm
Weight: 0.33 kg
Air travel compatible: \<100 Wh
How to use
Connect your device to the integrated USB-C cable, the USB-C port or the USB-A port. The power bank will automatically distribute power between connected devices. For fastest wall charging of the power bank itself, connect a 30W USB-C power adapter (sold separately). Monitor the remaining charge on the LCD display and recharge the power bank in good time to avoid running out of battery while away from a socket.
Recommendations
Use the integrated USB-C cable for quick mobile charging and connect additional devices via the USB-C or USB-A ports. For charging laptops or faster recharging of the power bank, use a 30W USB-C adapter. Keep the power bank charged before flights and check the LCD to ensure it stays below allowed airline limits.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Fast charging | Yes |
| Charging source | USB |
| USB Power Delivery (USB PD) | Yes |
| Fast charging technology | Quick Charge 3.0, Power Delivery 3.0, Hisilicon FCP |
| USB Power Delivery up to | 45 W |

### Ports & interfaces

| Feature | Value |
|---|---|
| Input interface | USB Type-C |
| USB Type-A output ports | 1 |
| USB Type-C connector | Yes |
| USB Type-C ports quantity | 1 |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
| Battery capacity | 20000 mAh |

### Design

| Feature | Value |
|---|---|
| Product colour | Grey |
| Housing material | Polycarbonate (PC), ABS |
| Charger compatibility | Universal |
| Protection features | Overcharge protection, Electrostatic Discharge (ESD) protection |
| Built-in display | Yes |
| Shape | Rectangle |
| Number of simultaneously connected devices (max) | 3 |
| Power bank & device charging at once | Yes |

### Packaging content

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

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 350 g |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.33 kg |
| Height | 32 mm |
| Width | 95 mm |
| Depth | 105 mm |

### Power

| Feature | Value |
|---|---|
| Total output power | 45 W |

## FAQ

### How much does the Power Bank 4smarts 541409 541409 cost, and is it available for purchase?

The price is 40.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 55 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 08.07.2026 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 4smarts 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 4smarts 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: number of simultaneously connected devices (max), weight, battery capacity, charger compatibility, 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/11461643/66131564_large.webp