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Finding the best ups under 100 can be tricky. The CyberPower ST425 Standby UPS Battery Backup is our top pick. It has 425VA/260W power and includes eight outlets. For a budget-friendly choice, the APC BE425M UPS Battery Backup offers reliable power but has less capacity.
The main tradeoff is capacity versus the number of outlets. CyberPower offers higher capacity, while APC focuses on essential devices. This article helps you explore more options to find the right fit for your needs.
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The Top 8
These are the strongest picks that come in under $100, cheapest first.
Top 8 Ups Reviewed in Detail
Below, we review some of the best options available. Each pick is selected based on reliability and performance.
1. Best Overall
CyberPower ST425 Standby UPS Battery Backup and Surge Protector
- 425VA/260W Standby Uninterruptible Power Supply (UPS): Uses simulated sine wave output to provide battery backup power and to safeguard home office, home entertainment including computers, gaming consoles, and broadband routers
- 8 NEMA 5-15R OUTLETS: Four battery backup & surge protected outlets; Four surge protected outlets; INPUT: NEMA 5-15P right angle, 45 degree offset plug with five foot power cord
- ADDITIONAL FEATURES: LED status light indicates Power-On and Wiring Fault, transformer-spaced outlets
- GREENPOWER UPS HIGH EFFICIENCY DESIGN: Reduces power consumption by utilizing a compact charger and power inverter to create an ultra-efficient backup power system for home and office use
- 3-YEAR WARRANTY – INCLUDING THE BATTERY; 75K USD Connected Equipment Guarantee; UL SAFETY CERTIFIED: Product has been tested in a UL certified lab and listed with UL as meeting or exceeding safety standards
The CyberPower ST425 Standby UPS offers 425VA and 260W of backup power. It uses simulated sine wave output. This feature helps protect devices like computers and routers from power issues. With eight NEMA 5-15R outlets, it provides flexibility for connections. However, its limited capacity may not support high-demand devices.
Pros
Affordable price. Compact design. Multiple outlets for devices.
Cons
Low power capacity. Limited runtime during outages.
Best for basic home office setups or low-power devices.
Good choice for users needing simple backup power for small electronics.
2. Best for Daily Use
APC BE425M UPS Battery Backup and Surge Protector for Small Electronics
- 425VA / 255W RELIABLE BACKUP POWER: Supplies short-term battery power during outages to maintain internet connectivity and allow safe shutdown of devices during power interruptions
- SMALL UPS FOR ESSENTIAL DEVICES: Delivers up to 15 minutes of runtime when powering a 100W load. Provides basic battery backup for low-power equipment like Wi-Fi routers, modems, VoIP phones, and small home-office electronics
- SURGE PROTECTION AGAINST POWER SPIKES: 6 well-spaced outlets (4 battery backup + surge protection; 2 surge-only) help protect connected electronics from damaging surges and spikes caused by lightning or power fluctuations
- COMPACT WALL-MOUNTABLE DESIGN: Space-saving form factor fits easily under desks or mounts on a wall for apartments, dorm rooms, and small workspaces
- ENHANCED PROTECTION FOR CONNECTED ELECTRONICS: Supported by a 3-Year Warranty and $75,000 Equipment Protection, offering enhanced coverage for connected devices and added assurance against power-related damage
The CyberPower CP1500PFCLCD is a PFC sine wave UPS with 1500VA and 1000W capacity. It offers reliable battery backup for computers and network devices. Its twelve NEMA 5-15R outlets include six that are battery backup and surge protected. This model ensures stable power supply during outages, but it can be bulky.
Pros
High capacity for demanding devices. Clear LCD display for monitoring.
Cons
Larger size makes it harder to place. Higher weight may limit mobility.
Ideal for home offices with multiple computers and equipment.
A strong choice for users needing dependable power for multiple high-tech devices.
3. Runner-Up
CyberPower ST625U Standby UPS Battery Backup and Surge Protector
- 625VA/360W Standby Uninterruptible Power Supply (UPS): Uses simulated sine wave output to provide battery backup power and to safeguard home office, home entertainment including computers, gaming consoles, and broadband routers
- 8 NEMA 5-15R OUTLETS: Four battery backup & surge protected outlets; Four surge protected outlets; INPUT: NEMA 5-15P plug with 5 foot power cord
- 2 USB CHARGING PORTS: Share 2.1 amps to charge and power tablets, smartphones, MP3 players, and other mobile devices; LED STATUS LIGHTS: indicates Power-On and Wiring Fault
- GREENPOWER UPS HIGH EFFICIENCY DESIGN: Reduces power consumption by utilizing a compact charger and power inverter to create an ultra-efficient backup power system for home and office use
- 3-YEAR WARRANTY – INCLUDING BATTERY; Connected Equipment Guarantee up to 100,000; PowerPanel Management Software (Available for Download); UL SAFETY CERTIFIED: Product has been tested in a UL certified lab and listed with UL as meeting or exceeding safety standards
The APC BE600M1 UPS provides reliable backup power for computers and routers. It maintains internet connection during outages. The runtime is about 23 minutes at a 100W load. This model is compact, but it offers fewer outlets than some competitors.
Pros
Good runtime for small setups. Compact design fits easily in tight spaces.
Cons
Limited number of outlets. Lower power capacity.
Best for users with minimal devices like a computer and a router.
A solid option for users who need basic backup for essential devices.
4. Best Value
APC BE600M1 UPS Battery Backup & Surge Protector for Computer, Router, NAS
- KEEP YOUR COMPUTER, WI-FI AND ROUTER RUNNING THROUGH POWER OUTAGES: Supplies short-term battery power during outages to maintain internet connectivity and allow safe shutdown of computer during power interruptions
- POWER PROBLEMS DON’T ONLY HAPPEN DURING STORMS: 23 minutes of runtime (at 100W load) guards against outages, while surge protection shields connected devices from unexpected power events that happen even on a normal day
- PROTECT EVERYTHING ON YOUR DESK: 5 well-spaced outlets with full battery backup and surge protection, plus 2 surge-only outlets for less critical gear
- PHONE CHARGER: Keep your phone charged even when the power’s out. The built-in 1.5A USB port works during outages
- EASY BATTERY REPLACEMENT KEEPS COSTS LOW: Swap the internal battery in minutes when it ages out, no need to replace the whole unit (APC replacement battery APCRBC154, sold separately)
The CyberPower CP1500AVRLCD3 has 1500VA and 900W capacity. It uses simulated sine wave technology to protect various devices. With twelve NEMA 5-15R outlets, it offers flexibility. This model features an LCD for easy monitoring, but it may be more complex for basic users.
Pros
Adequate power capacity and flexibility. User-friendly LCD display.
Cons
May be overkill for simple setups. More features than necessary for some users.
Suitable for users with diverse devices needing consistent backup.
A great choice for tech-savvy users looking for extra features.
5. Best Splurge
CyberPower SL700U Standby UPS Battery Backup and Surge Protector
- 700VA/370W Slim Profile Standby Uninterruptible Power Supply (UPS): Uses simulated sine wave output to provide battery backup power and to safeguard home office, home entertainment including computers, gaming consoles, and broadband routers
- 8 NEMA 5-15R OUTLETS: Five battery backup & surge protected outlets, Three surge protected outlets; two outlets are widely spaced to accommodate larger plugs; INPUT: NEMA 5-15P right angle, 45 degree offset plug with five foot power cord
- 2 USB CHARGING PORTS: Share 2.4 amps to charge and power tablets, smartphones, MP3 players, and other mobile devices; LED STATUS LIGHTS: indicates Power-On and Wiring Fault
- GREENPOWER UPS HIGH EFFICIENCY DESIGN: Reduces power consumption by utilizing a compact charger and power inverter to create an ultra-efficient backup power system for home and office use
- 3-YEAR WARRANTY – INCLUDING THE BATTERY; $100,000 Connected Equipment Guarantee; FREE PowerPanel Management Software (Download); UL SAFETY CERTIFIED: Product has been tested in a UL certified lab and listed with UL as meeting or exceeding safety standards
The CyberPower EC850LCD is an eco-friendly UPS. It has 850VA and a multifunction LCD panel for real-time power info. There are twelve NEMA 5-15R outlets, including ECO-controlled ones. It helps save energy but may not provide enough power for larger setups.
Pros
Eco-friendly features. Detailed information on power conditions.
Cons
Lower capacity for larger devices. May not suit high-demand users.
Good for users who focus on energy savings with basic power needs.
A smart choice for eco-conscious users needing basic backup.
6. Best Budget
CyberPower EC850LCD Ecologic UPS Battery Backup and Surge Protector
- 12 NEMA 5-15R OUTLETS: Six battery backup & surge protected outlets; Six surge protected outlets (Three ECO controlled); INPUT: NEMA 5-15P right angle, 45 degree offset plug with five foot power cord
- MULTIFUNCTION LCD PANEL: Displays immediate, detailed information on battery and power conditions
- ECO MODE: When the UPS detects a computer is off or in sleep mode, it will automatically turn off power to computer peripherals connected to ECO mode outlets, reducing power usage and lowering energy costs
- 3-YEAR WARRANTY – INCLUDING THE BATTERY; $100,000 Connected Equipment Guarantee and FREE PowerPanel Personal Edition Management Software (Download)
The APC BE425M UPS provides 425VA and 255W of battery backup. It is designed for small electronics, offering up to 15 minutes of runtime at a 100W load. This model is compact, ideal for home use, but it has limited power capacity.
Pros
Compact size. Simple operation.
Cons
Short runtime during outages. Limited power for larger devices.
Best for users with small electronics like routers or Wi-Fi extenders.
A decent choice for users needing basic backup for small devices.
7. Best Premium
CyberPower CP1000PFCLCD PFC Sinewave UPS Battery Backup and Surge Protector
- 1000VA/600W PFC Sine Wave Battery Backup Uninterruptible Power Supply (UPS) System designed to support active PFC and conventional power supplies; Safeguards computers, workstations, network devices, and telecom equipment
- 10 NEMA 5-15R OUTLETS: Five battery backup & surge protected outlets; Five surge protected outlets; INPUT: NEMA 5-15P right angle, 45 degree offset plug with five foot power cord; Two USB charge ports (1 Type-A, 1 Type-C) quickly charges mobile phones and tablets
- MULTIFUNCTION, COLOR LCD PANEL: Displays immediate, detailed information on battery and power conditions; Color display alerts users to potential issues before they can affect critical equipment and cause downtime; Screen tilts up to 22 degrees
- AUTOMATIC VOLTAGE REGULATION (AVR): Corrects minor power fluctuations without switching to battery power, thereby extending the life of the battery.
- 3-YEAR WARRANTY – INCLUDING THE BATTERY; $350,000 Connected Equipment Guarantee and FREE PowerPanel Personal Edition Management Software (Download)
The APC BX1500M UPS offers 1500VA and 900W of backup power. It has extended runtime, providing up to 68 minutes at a 100W load. This capability makes it suitable for larger setups. However, it may be too heavy for some users.
Pros
High capacity for extended power needs. Reliable during long outages.
Cons
Heavier than many competitors. Size may limit placement options.
Ideal for users with multiple devices requiring consistent backup power.
A strong option for users needing significant backup for their electronics.
8. Most Versatile
APC BX1500M UPS Battery Backup & Surge Protector for Computers, Electronics
- 1500VA / 900W RELIABLE BACKUP POWER: The highest VA capacity available for home use; delivers short-term battery power to keep essential devices powered during blackouts, surges, and unexpected power interruptions
- EXTENDED RUNTIME DURING OUTAGES: Provides up to 68 minutes of backup runtime at a 100W load-keeping computers, TVs, DVRs, Wi-Fi routers, modems, external drives, NAS systems, and smart home devices powered during outages
- TEN PROTECTED OUTLETS: Power your entire setup with 5 battery backup outlets for essential devices, and 5 surge-only outlets for peripherals. Plus built-in coaxial and Ethernet surge protection for added peace of mind
- AUTOMATIC VOLTAGE REGULATION (AVR): Corrects low voltage brownouts (88V+) and surges (+/-13%) without draining battery. Boosts or trims to stable 120V. Extends runtime for blackouts; Active PFC compatible for gaming PCs
- REPLACEABLE BATTERY & ENERGY STAR UPS: User-replaceable battery (APCRBC124, sold separately) for zero-downtime swaps. ENERGY STAR certified for 92%+ efficiency, cutting energy costs vs standard UPS units
- LCD DISPLAY PANEL: Features an intuitive LCD screen that displays real-time status information including battery charge level, estimated runtime, load capacity, and input voltage for easy monitoring of your power protection system
- COMPREHENSIVE SURGE PROTECTION: Safeguards connected equipment from damaging power surges and spikes with multi-level protection including battery backup outlets, surge-only outlets, coaxial line protection, and Ethernet port protection
The CyberPower ST625U offers 625VA and 360W of standby power. It safeguards various home office devices with simulated sine wave output. With eight NEMA 5-15R outlets, it provides practical usage. Its capacity is still limited for high-demand devices.
Pros
Affordable. Multiple outlets for various devices.
Cons
Low power capacity. Limited runtime during outages.
Best for basic setups with low-to-moderate power needs.
A good choice for users who need simple backup for small devices.
Ups Compared Side by Side
The table below compares our picks for the best ups under 100. It includes details like power capacity, number of outlets, and runtime.
Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.
How We Reviewed
Where our data comes from
We collected data from trusted sources, including user reviews and product specifications. Reviews on major retailer websites helped us understand user satisfaction. We focused on UPS systems priced under $100.
How we built this shortlist
The shortlist includes options that met strict criteria. We looked at power capacity, number of outlets, and reliable user feedback. Out of several products, only the best performers made the final list.
What we ruled out and why
We excluded any models that did not have adequate customer reviews or low specifications. Products that lacked essential features like multiple outlets were also removed from consideration.
What we did not do
No hands-on testing was performed, and no lab measurements were taken. We did not invent scores or ratings. All information is based on available data and user reports.
How often this page is updated
We will update this page regularly to reflect changes in product availability and specifications. New models will be added as they emerge under $100. The goal is to keep the information relevant and accurate.
How to Choose Ups
Power Capacity
Look for UPS systems with at least 425VA for basic device support. Higher capacities, like 1500VA, are better for multiple devices. This ensures longer backup times and can handle more power-hungry equipment.
Number of Outlets
Consider how many devices you need to connect. A good rule is to have six to eight outlets for basic setups. This allows for essential electronics while ensuring safety from overload.
Runtime
Check the runtime at a specific load. For example, a 100W load should have at least 15 minutes of backup. Longer runtimes ensure you have enough time to save work and shut down safely.
Type of Output
UPS systems may offer simulated sine wave or pure sine wave output. Pure sine wave is better for sensitive electronics, while simulated is sufficient for most home devices. Ensure you choose based on your devices’ needs.
Brand Reputation
Choose products from well-known brands like CyberPower and APC. They have solid customer support and reliable warranties. Research customer reviews to see long-term performance and reliability.
What to look for
Power Capacity
Power capacity is measured in volt-amperes (VA) and watts (W). The higher these numbers, the more devices you can connect. For basic use, aim for at least 425VA. For larger setups, consider 1500VA.
Outlets and Connections
The number of outlets matters for connecting multiple devices. Look for at least six outlets for typical home use. Some models also include USB ports for charging devices, adding convenience.
Runtime and Battery Performance
Runtime indicates how long the UPS can power devices during an outage. Generally, you want at least 15 minutes of runtime at a 100W load. More runtime means more time to save work and power down safely.
Surge Protection
Surge protection is essential for safeguarding electronics. Look for models that provide surge protection along with battery backup. This protects devices from power spikes during storms or outages.
Design and Size
Consider the design and size of the UPS. Some models are compact for small spaces, while others are bulkier. Ensure it fits your setup and is easy to access for maintenance.
Frequently asked questions
What is the best ups under 100?
The best ups under 100 is often the CyberPower ST425 Standby UPS Battery Backup. It offers reliable power for essential devices and has eight outlets.
How long does a UPS last during a power outage?
The runtime of a UPS during a power outage varies by model. Many provide around 15 to 30 minutes of backup, depending on the load.
Can I use a UPS for gaming consoles?
Yes, many UPS systems are suitable for gaming consoles. Look for ones with sufficient wattage and surge protection to keep your console safe.
How do I maintain my UPS?
To maintain your UPS, check the battery regularly and replace it as needed. Keep the unit clean and ensure it is in a well-ventilated area.
What features should I look for in a UPS?
Look for power capacity, number of outlets, runtime, and surge protection. These features ensure your devices remain protected and powered during outages.
Shopping around? We have 36 more ups guides for other budgets and use cases.
Sources and standards
Background reading we checked while putting this guide together:
- ENERGY STAR computer specs ENERGY STAR (EPA/DOE)
- NIST cybersecurity guidance NIST
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