# Techonic 3U 20000mAh Power Bank Black and White

**URL:** https://aio.lv/en/product--techonic-3u-pb-053-black--12501419
**Data updated:** 2026-06-07 13:15 (EEST)
**Category:** Power Banks
**Manufacturer:** Techonic
**Manufacturer code:** 3U PB-053 BLACK
**EAN:** 5901646281608
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 11.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--techonic-3u-pb-053-black--12501419

## 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 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

The Techonic 3U power bank features a 20000mAh capacity, providing a reliable portable power source for smartphones, tablets, and other mobile devices. Designed for daily use, this external battery ensures your electronics stay charged while traveling or away from power outlets. Its compact and durable design makes it an essential accessory for maintaining device battery life throughout the day.

## Long description

The Techonic 3U 20000mAh Power Bank is a high-capacity portable charging solution designed to keep your mobile devices powered throughout the day. With its substantial energy reserve, this external battery provides multiple charges for smartphones, tablets, and other USB-powered electronics, making it a dependable companion for commuters, travelers, and outdoor enthusiasts who require consistent access to power away from wall outlets.
Advantages
This power bank offers the significant benefit of high-density energy storage in a portable form factor, allowing users to charge multiple devices simultaneously or repeatedly without needing to find a power source. The durable construction ensures longevity even with frequent daily use, while the integrated safety features protect connected devices from common electrical issues. Its versatile design is optimized for efficiency, ensuring that energy transfer remains stable and reliable during the entire charging process.
Suitable for
Charging smartphones and tablets during long-distance travel
Providing backup power for mobile devices during outdoor activities
Daily use for professionals who rely on mobile electronics away from desks
Emergency power supply during unexpected power outages
When it may not be suitable
This power bank may not be the ideal choice for users requiring ultra-lightweight or pocket-sized devices, as the high 20000mAh capacity necessitates a larger physical footprint. It is also not intended for charging high-wattage equipment such as laptops that require specific voltage outputs beyond standard USB charging capabilities.
Key specifications
Capacity: 20000mAh
Color: Black and White
Compatibility: Smartphones, tablets, and USB-powered mobile devices
Portable and durable design
How to use
To use the Techonic 3U power bank, ensure the device is fully charged by connecting it to a standard USB wall adapter using a compatible cable. Once charged, connect your mobile device to the power bank using the appropriate charging cable. The power bank will automatically detect the connection and begin the charging process. Monitor the remaining capacity through the integrated indicators to know when the power bank itself needs to be recharged.
What to consider before purchase
Check the charging requirements of your specific mobile devices
Consider the weight and size relative to your portability needs
Ensure you have the correct cables for your specific devices
Usage recommendations
For optimal performance and battery longevity, avoid exposing the power bank to extreme temperatures and ensure it is recharged at least once every few months if not in regular use.

## FAQ

### How much does the Techonic 3U 20000mAh Power Bank cost, and is it available for purchase?

The price is 13.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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: 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 Techonic 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 Techonic 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/12501419/68839410_large.webp