# Portable Battery DUDAO K4S+ 20000mAh

**URL:** https://aio.lv/en/product--dudao-k4s-white--10498338
**Data updated:** 2025-12-30 08:45 (EET)
**Category:** Power Banks
**Manufacturer:** Dudao
**Manufacturer code:** K4S+-white
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 14.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 12.39 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dudao-k4s-white--10498338

## 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 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The DUDAO K4S+ Powerbank features a 20000mAh capacity and 5V voltage, providing reliable power on the go. With 2 USB Type-A output ports, it allows you to charge multiple devices simultaneously. Its sleek white design makes it a stylish accessory for your tech needs.

## Long description

The DUDAO K4S+ portable battery has a 20000 mAh capacity and 5V output, offering reliable mobile power for smartphones, tablets and other USB-powered devices. The white powerbank is equipped with two USB-A output ports so you can charge two devices at the same time. Its compact design suits everyday carry and travel.
Advantages
The DUDAO K4S+ combines high-capacity 20000 mAh storage with dual 2A USB-A outputs to deliver stable charging for multiple devices. The universal compatibility ensures it works with a wide range of chargers and USB-powered gadgets. The neutral white finish integrates unobtrusively with different devices and accessories.
Suitable for
Charging smartphones on the go
Keeping a tablet powered during travel
Providing backup power for USB accessories (wearables, earbuds, small gadgets)
Use during commuting or short trips
Key specifications
Battery capacity: 20000 mAh
Output voltage: 5V
Output current: up to 2A per port (two USB-A ports)
Number of output ports: 2 (USB-A x2)
Colour: White
Model / MPN: K4S+-white
How to use
Connect your device to one of the USB-A output ports using a compatible USB cable. The powerbank supplies 5V output and can charge up to two devices simultaneously. To recharge the powerbank, use a suitable USB charger and connect to the input port on the unit (use a charger and cable compatible with the product). Follow device indicators to monitor charging status.
Usage recommendations
Store the DUDAO K4S+ in a dry, cool place and avoid exposing it to high temperatures. Use appropriate cables and chargers rated for the powerbank to ensure safe and efficient charging. Do not disassemble or subject the unit to strong impacts.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Battery voltage | 5 V |
| Fast charging | No |
| Wireless charging | No |
| Charging source | USB |
| Built-in radio | No |
| USB Power Delivery (USB PD) | Yes |
| USB Power Delivery up to | 10 W |

### Power

| Feature | Value |
|---|---|
| Input voltage | 5 |
| Input current | 2 |
| Port 1 output power | 10 W |
| Port 2 output power | 10 W |

### Ports & interfaces

| Feature | Value |
|---|---|
| Input interface | Micro-USB + USB Type-C |
| USB Type-A output ports | 2 |
| USB Type-A connector | Yes |

### Design

| Feature | Value |
|---|---|
| Product colour | White |
| Charger compatibility | Universal |
| Shape | Rectangle |
| Number of simultaneously connected devices (max) | 2 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 2.5 mm |
| Width | 7 mm |
| Depth | 13.7 mm |
| Micro-USB cable length | 130 mm |

### Battery

| Feature | Value |
|---|---|
| Battery capacity | 20000 mAh |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | Micro-USB |

## FAQ

### How much does the Portable Battery DUDAO K4S+ K4S+-white cost, and is it available for purchase?

The price is 14.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 50 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. 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 Dudao 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 Dudao 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), 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/10498338/65650697_large.webp