# APC BK500EI – 500VA / 300W / Standby (Offline) – Desktop UPS

## **Reliable Power Protection – Ensuring Uptime and Business Continuity**

### The **APC BK500EI** is a 500VA / 300W Standby (Offline) UPS designed for home and small office environments to protect against power interruptions and surges.

#### ⚡ Power Capacity & Protection

-   **500VA / 300W**: Supports essential desktop equipment and IT peripherals.
-   **Standby (Offline)**: Provides instant backup power during outages with cost-effective surge protection.
-   **Output Waveform**: Simulated Sine Wave suitable for typical office electronics.
-   **Surge Protection**: Built-in surge suppression safeguards against spikes to ensure equipment longevity.

#### 🔌 Outlets & Connectivity

-   **4 Outlets**: Includes battery-backed and surge-only outlets for versatile device protection.
-   **Outlet Types**: Regional outlets suitable for 230V input/output environments.
-   **Data Line Protection**: RJ-11 phone/fax/modem line protection (DSL compatible) to prevent line surges.
-   **USB & Serial Port**: DB-9 RS-232 serial and USB interface provide graceful system shutdown and power management integration.

#### 🔋 Battery & Runtime

-   **Battery Type**: User-replaceable sealed lead-acid battery—maintenance free.
-   **Runtime at Full Load**: Approximate backup for several minutes to safely power down connected devices.
-   **Hot-Swap Battery**: Battery replacement without tools ensures minimal downtime.
-   **Recharge Time**: Fast recharge restores battery to 90% capacity quickly after discharge.

#### 📊 Management & Monitoring

-   **Display**: LED status indicators and audible alarms inform you of power events and battery status.
-   **Software**: Includes safe system shutdown software with advanced power management features.
-   **Network Card**: Not available.
-   **Remote Monitoring**: Supported via USB/serial port connection and software integration.

#### 🏗️ Form Factor & Installation

-   **Form Factor**: Desktop design suitable for office and home use.
-   **Dimensions & Weight**: Compact footprint with lightweight (0 kg weight listed).
-   **Input Voltage Range**: 230V nominal for European and other 230V environments.

#### 📦 What's in the Box

-   APC BK500EI UPS unit
-   Power cables
-   USB cable
-   Software CD / Download link
-   User manual

#### 🛡️ Warranty

Backed by a **2-year warranty including battery**.

_Keep critical systems running and protect against costly downtime with the trusted APC BK500EI UPS._

## Details

- **Price:** 185.37 AUD
- **Vendor:** APC
- **Type:** Power Adapters & Inverters
- **Tags:** Dicker, Ingram, Leader

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 185.37 AUD | In stock |

## Images

- APC Back-UPS CS | 500VA|300W | Input 230V|Output 230V | Interface Port DB-9 RS-232 | USB (BK500EI)
- APC Back-UPS CS | 500VA|300W | Input 230V|Output 230V | Interface Port DB-9 RS-232 | USB (BK500EI)
- APC Back-UPS CS | 500VA|300W | Input 230V|Output 230V | Interface Port DB-9 RS-232 | USB (BK500EI)
- APC Back-UPS CS | 500VA|300W | Input 230V|Output 230V | Interface Port DB-9 RS-232 | USB (BK500EI)
- APC Back-UPS CS | 500VA|300W | Input 230V|Output 230V | Interface Port DB-9 RS-232 | USB (BK500EI)
- APC Back-UPS CS | 500VA|300W | Input 230V|Output 230V | Interface Port DB-9 RS-232 | USB (BK500EI)

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> Source: [TechForGood](https://techforgood.com.au/products/apc-back-ups-cs-500va-300w-input-230v-output-230v-interface-port-db-9-rs-232-usb-bk500ei)
> Updated: 2026-10-02