What is the typical runtime for this UPS?

Runtime varies significantly with load; for this capacity, expect a few minutes at full load and longer at lighter loads. Always consult the seller for specific runtime estimates based on your connected equipment.

Can I replace the battery myself?

Many units in this series feature user-replaceable, hot-swappable batteries. This extends the operational life of the UPS.

What kind of equipment is this UPS suitable for?

This class of UPS is generally suitable for basic PC setups, network equipment like modems and routers, and low-power peripherals where short-term backup and surge protection are required.

Does this UPS provide true sine wave output?

Units of this specific model typically provide a stepped approximation to a sine wave. For sensitive electronics requiring a pure sine wave, an online or line-interactive UPS might be more appropriate.

What certifications does this equipment typically hold?

Common certifications for UPS units sold in the UK and Europe include CE and VDE, ensuring compliance with safety and performance standards.

Used APC Back-Ups CS 500 UPS - Uninterruptible Power Supplies (UPS), photo 1

Used APC Back-Ups CS 500 UPS - Uninterruptible Power Supplies (UPS), photo 2

Used APC Back-Ups CS 500 UPS - Uninterruptible Power Supplies (UPS), photo 3

Used APC Back-Ups CS 500 UPS - Uninterruptible Power Supplies (UPS), photo 4

Used APC Back-Ups CS 500 UPS - Uninterruptible Power Supplies (UPS), photo 5

Used APC Back-Ups CS 500 UPS - Uninterruptible Power Supplies (UPS), photo 6

Used APC Back-Ups CS 500 UPS - Uninterruptible Power Supplies (UPS)

used Equipment

Available

Verified seller

APC Back-Ups CS 500 UPS

Name: APC Back-Ups CS 500 UPS
Brand: APC
SKU: 40983.SR11B
Price: 60 GBP
Availability: InStock

Price: £ 60

This listing is for the APC Back-Ups CS 500 UPS.

The unit is in full working condition and is ready for immediate use.

Key Specs & Performance

Capacity: 500 VA / 300 W – suitable for basic PC setups, modems, routers, or low-power peripherals.

Runtime:

~2.4 minutes at full 300 W load
~13.8 minutes at half load (150 W)

Topology: Off-line (standby) UPS with ~6 ms transfer time.

Waveform Output: Stepped approximation to a sine wave.

Connections & Interfaces

Input Connection Type: IEC 60320 C14.

Output Connection Types:

3 × IEC 60320 C13 (Battery Backup + Surge Protection)
1 × IEC 60320 C13 (Surge Protection Only)
2 × IEC jumper surge-protected outlets

Number of Cables: 2 included.

Data-Line Protection: RJ-11 phone/fax/DSL line.

Communication Ports: USB + optional RS-232.

Management Software: Supports APC PowerChute Personal Edition.

Battery & Power

Battery Type: Sealed lead-acid maintenance-free (VRLA).

Battery Cartridge: APC RBC2.

Battery Recharge Time: ~8 hours.

User-replaceable: Yes, hot-swappable.

Battery Life Expectancy: 3–6 years.

Cold-Start Capable: Yes.

Self-Test: Automatic periodic testing.

Surge & Safety Features

Surge Energy Rating: 300–310 J.

Noise Filtering: Full-time EMI/RFI filtering.

Audible Alarms: Yes – for battery use, overload, low battery.

LED Indicators: Status display panel.

Certifications: CE, VDE, GOST, C-Tick.

Resettable Circuit Breaker: Included.

Physical Characteristics

Height: 16.5 cm.

Width: 9.1 cm.

Depth: 28.4 cm.

Net Weight: 6.03 kg.

Color: Beige/Light grey (typical for CS series).

Noise Level: Approx. 40–45 dBA.

Cambridgeshire, United Kingdom

5,773 km away

Model Number

CS 500

Stock Number

40983.SR11B

Machinery Masters View

Typical context for this category of equipment. Always confirm specifics with the seller.

Providing backup power for individual workstations and desktop PCs.
Protecting modems, routers, and small network devices from power interruptions.
Ensuring continuous operation of point-of-sale (POS) systems during outages.
Safeguarding low-power industrial control systems from voltage fluctuations.
Maintaining power to security cameras or access control systems for short durations.

Typical capacity: For this model, capacity is commonly 500 VA / 300 W.
Topology: Units of this class typically feature an off-line (standby) topology.
Output waveform: Commonly a stepped approximation to a sine wave.
Battery type: Typically sealed lead-acid, maintenance-free (VRLA) batteries.
Input connection: Often an IEC 60320 C14 inlet.
Output connections: Typically multiple IEC 60320 C13 outlets, some with battery backup and surge protection, others with surge protection only.
Communication ports: Commonly includes USB, with some units offering optional RS-232.
Footprint: Units of this type are compact, typically around 16.5 cm (H) x 9.1 cm (W) x 28.4 cm (D).

Runtime varies significantly with load; for this capacity, expect a few minutes at full load and longer at lighter loads. Always consult the seller for specific runtime estimates based on your connected equipment.

Used UPS systems are valued for providing reliable backup power during outages, with buyers generally praising their durability and long operational lifespan. Industry sentiment recognises their critical role in protecting sensitive equipment and preventing data loss. When purchasing secondhand units, buyers typically prioritise checking battery condition and service history, as battery replacement represents a significant cost. Common strengths include robust construction and consistent performance. Potential buyers should verify maintenance records and test runtime capacity before committing to purchase.

General overview for this equipment type

Machinery Masters Intelligence. General guidance for this category of equipment only, not a substitute for the seller's exact specifications. Always confirm details with the seller.