# Uninterruptible Power Supply A-LAN AP-BK850 850 VA (480 W) Line-Interactive, AVR, 2x Type F outlets, USB, RS-232

**URL:** https://aio.lv/en/product--a-lan-ap-bk850--5097122
**Data updated:** 2026-01-21 13:33 (EET)
**Category:** UPS
**Manufacturer:** A-LAN
**Manufacturer code:** AP-BK850
**EAN:** 5904204402019
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 52.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 43.79 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--a-lan-ap-bk850--5097122

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Pickup points | 25.06.2026 | 1.99 EUR |
| Courier delivery to door | 25.06.2026 | 4.99 EUR |

## Summary description

A-LAN AP-BK850 is a line-interactive uninterruptible power supply with 850 VA (480 W) output power and Automatic Voltage Regulation (AVR). It provides sine waveform output, surge protection, battery discharge protection and 6 ms response time. Features include 2 Type F AC outlets, USB Type-B port (USB 2.0), one RS-232 port, LED status indicators and included USB cable. Suitable for protecting PCs, networking equipment and peripherals in home or small office environments. Operating range: 140–300 V input, output regulation ±10%, operating temperature 0–40 °C.

## Long description

A-LAN AP-BK850 is a line-interactive uninterruptible power supply (UPS) providing 850 VA (480 W) output with Automatic Voltage Regulation (AVR). It delivers a sine waveform output with surge protection, battery discharge protection and a typical response time of 6 ms. The UPS includes two Type F AC outlets, a USB Type-B (USB 2.0) port, an RS-232 port, LED status indicators and a USB cable in the package. Operating input range is 140–300 V with output voltage regulation ±10% and a recommended operating temperature range of 0–40 °C.
Advantages
The AP-BK850 offers automatic voltage regulation to stabilise input voltage, line-interactive topology for efficient power conditioning, and sine-wave output suitable for sensitive electronics. Compact dimensions and a moderate noise level make it appropriate for home and small office environments. Integrated surge protection and battery discharge protection increase equipment safety during power disturbances.
Suitable for
Desktop PCs and workstations
Home office and small business networking equipment (routers, switches)
Monitors, external drives and other peripherals
Point-of-sale terminals and small servers with low power draw
Key specifications
UPS topology: Line-Interactive
Rated capacity: 850 VA / 480 W
Input voltage range: 140–300 V
Output voltage range: 220–240 V (operation min 220 V, max 240 V); regulation ±10%
Input/output frequency: 50/60 Hz
Response time: 6 ms
Waveform: Sine
Surge protection: Yes
Battery: 12 V, 9 Ah
Noise level: 40 dB
Operating temperature: 0–40 °C
Relative humidity (operating): 0–90%
Physical dimensions (H×W×D): 142 × 101 × 297 mm
Weight: 4.9 kg
AC outlets: 2 × Type F
Ports: USB Type-B (USB 2.0), RS-232
How to use
Place the UPS on a stable, level surface in a well-ventilated area. Connect the UPS to mains power and allow the battery to charge according to the manufacturer's initial charge recommendations before relying on battery backup. Plug equipment into the Type F outlets and connect monitoring equipment via the USB Type-B or RS-232 port if required. The unit will provide automatic voltage regulation during normal operation and switch to battery power in case of mains failure with a typical transfer time of 6 ms.
Usage recommendations
For reliable backup, periodically test the UPS and replace the battery when capacity falls below manufacturer-specified levels. Avoid placing the unit in locations with temperatures outside 0–40 °C or high humidity. Do not block ventilation openings and connect only equipment whose combined power draw does not exceed 480 W.

## FAQ

### How much does the A-LAN AP-BK850 UPS 850 VA (480 W) cost, and is it available for purchase?

The price is 52.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 25 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 Thursday 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 A-LAN 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 A-LAN 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/5097122/51138046_large.webp