Batteries backup: UPS Buying Guide: Battery backup for uninterrupted power.

UPS Buying Guide: Battery backup for uninterrupted power.

Why do you need a UPS in your home or business?

Basic

  • User-Replaceable Batteries – Increases availability by allowing trained users to perform battery upgrades and replacements.
  • Surge-Only Outlets – Protect secondary electronics from surges and spikes without reducing battery power used to run primary electronics during outages.
  • Building Wiring Fault Indicator – LED indicator that informs users of potentially dangerous wiring problems in wall circuits.
  • Transformer-Block Spaced Outlets – Protect equipment without blocking access to other receptacles.
  • Automatic Self-Test – Periodic battery check that ensures early detection of batteries needing replacement.

Enhanced

  • Automatic Voltage Regulation (AVR) – Gives high application availability by correcting low and high voltage conditions without using the battery.
  • Pure Sine-Wave Output on Battery – Simulates utility power to provide the highest degree of compatibility for active PFC (power factor corrected) servers and sensitive electronics.
  • SmartSlot – Customizes UPS capabilities with network management cards.
  • Scalable Runtime – Allows additional runtime as needed via external battery packs.
  • Power Conditioning – Protects connected loads from surges, spikes, lightning, and other power disturbances.

Advanced

  • Adjustable Voltage Transfer Points – Maximize useful battery life by widening the input voltage window or tightening the output voltage regulation.
  • Temperature-Compensated Battery Charging – Prolongs battery life by regulating the charge voltage according to battery temperature.
  • Intelligent Battery Management – Maximizes battery performance, life, and reliability through intelligent, precision charging.
  • Predictive Failure Notifications – Provide early-warning fault analysis, ensuring proactive component replacement.
  • Plug-and-Play External Batteries – Ensure clean, uninterrupted power when adding extra runtime to a UPS.

Computers and Peripherals

Battery backup and surge protection for computers, home networking, external storage, gaming, home servers and more.

Networks and Servers

Power availability and management for entry-level to high performance servers, storage, and business networking systems.

Data Centers and Facilities

Three-phase power protection with fully integrated solutions for enterprise-wide networks, data centers, mission-critical systems, and industrial / manufacturing processes.

Special Applications

Secure power systems for special single phase applications including industrial controls, renewable energy, marine, telecommunications and other configurations.

UPS Management

Software, network management cards and peripherals for UPS management and safe system shutdown.

UPS Replacement Batteries

Replacement battery cartridges (RBC) for Back-UPS, Smart-UPS and Smart-UPS On-Line.

Need help?

Support Center

Obtain answers on your own by trying our digital support tools.

How to buy?

Easily find the nearest APC Reseller or Distributor in your location.

Contact Us

Connect with us for help choosing the right product or with troubleshooting and installation. Monday-Friday between 8am – 8pm EST

Backup Battery vs. Generator: Which Emergency Power Option Is Better?

In this article:

  • Battery backup vs. generator
  • Which backup power is right for you?​

There are various types of backup power systems on the market, and each serves the same primary purpose: keeping your lights and appliances on when the power goes out.

In the past, fuel-powered standby generators (also known as whole house generators) have dominated the market for backup power supply, but reports of a risk of carbon monoxide poisoning have led many people to search for alternatives. Battery backups have emerged as a more eco-friendly and potentially safer alternative to conventional generators. 

Battery backups and generators are different devices. Each one has a particular set of advantages and disadvantages, which we’ll cover in the following comparison guide. Keep reading to find out about the main differences between battery backups and generators and to decide which option is right for you.

Battery backup vs. generator: How do they compare?

Pricing

In terms of cost, battery backups are the pricier option upfront. But generators need fuel to run, which means that you’ll spend more over time to maintain a steady fuel supply. 

With battery backups, you’ll need to pay for the backup battery system upfront, as well as installation costs (each of which are in the thousands). Exact pricing will vary based on which battery model you choose and how many of them you need to power your home. However, it’s common for an average-sized home battery backup system to run between $10,000 and $20,000.

For generators, the upfront costs are slightly lower. On average, the price of purchasing and installing a standby generator can range from $7,000 to $15,000. However, remember that generators require fuel to run, which will increase your operating expenses. The specific costs will depend on a few factors, including the size of your generator, which type of fuel it uses and the amount of fuel used to run it.

Installation

Battery backups earn a slight edge in this category since they can be mounted to the wall or floor, whereas generator installations require a bit of additional work. Regardless, you’ll need to hire a professional for either type of installation, both of which will require a full day of work and may cost several thousand dollars.

Aside from setting up the device itself, installing a generator also requires pouring a concrete slab, connecting the generator to a dedicated fuel source and installing a transfer switch.

Maintenance

Battery backups are the clear winner in this category. They’re quiet, run independently, don’t produce any emissions and don’t require any ongoing maintenance.

On the other hand, generators can be quite noisy and disruptive when they’re in use. They also emit exhaust or fumes, depending on which type of fuel they use to run — which may irritate you or your neighbors.

Keeping your home powered

As far as how long they can keep your home powered, standby generators easily outperform battery backups. As long as you have enough fuel, generators can run continuously for up to three weeks at a time (if necessary).

That’s simply not the case with battery backups. Let’s use the Tesla Powerwall as an example. It has 13.5 kilowatt-hours of storage capacity, which can provide power for a few hours on its own. You can get extra power out of them if they’re part of a solar panel system or if you use multiple batteries in a single system.

Expected lifespan and warranty

In most cases, battery backups come with longer warranties than standby generators. However, these warranties are measured in different ways.

Over time, battery backup systems lose the ability to hold a charge, much like phones and laptops. For that reason, battery backups include an end-of-warranty capacity rating, which measures how effective a battery will hold a charge by the end of its warranty period. In Tesla’s case, the company guarantees that the Powerwall battery should retain 70% of its capacity by the end of its 10-year warranty.

Some backup battery manufacturers also offer a “throughput” warranty. This is the number of cycles, hours or energy output (known as “throughput”) that a company guarantees on its battery.

With standby generators, it’s easier to estimate lifespan. Good-quality generators can run for 3,000 hours, as long as they’re well maintained. Therefore, if you run your generator for 150 hours per year, then it should last about 20 years.

Which battery backup is right for you?

Across most categories, battery backup systems come out on top. In short, they’re better for the environment, easier to install and cheaper to run long-term. Plus, they have longer warranties than standby generators.

With that said, traditional generators can be a good option in some cases. Unlike battery backups, you only need a single generator to restore power in an outage, which brings down the upfront costs. Plus, standby generators can last longer than battery backup systems in a single session. As a result, they’ll be a safer bet if the power is out for days at a time.

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  • Here’s How to Prep Your Solar Panels for Ice and Snow This Winter
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Backup battery for the smoke extract control unit 24V

Backup battery for the smoke extract control unit 24V

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