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Editor’s Review8.4/10 WG Score The WG Score is an independent rating system developed by our editorial team. Scores range from 0 to 10 and are based on data collected across performance, value, reliability, and user feedback — free from any influence by manufacturers or sales partners. We encourage readers to share their experiences in the product reviews section.. Learn more ›

Our editorial team weighed EFECOFLOW's published specifications and how it stacks up against similar products in the generators category. What stands out: Exceptionally Quiet, Bedroom-Friendly, Lightning-Fast UPS Switching, and Rapid Recharge, Long Battery Life. Where it falls short: Not for High-Draw Appliances and No Built-In Surge Protection. That puts it at 8.4/10 on our WG Score – an excellent, well-rounded option.

Sarah WattsReviewed bySarah Watts

Portable power stations solve the pain point of reliable backup power during outages or off-grid adventures in the Reviews category. The EF ECOFLOW Portable Power Station RIVER 3 delivers fast charging and compact design for outdoor, camping, RV, and home use scenarios in 2026.

This review examines the RIVER 3 specifications, strengths, limitations, and comparisons to alternatives like the Jackery Solar Generator 240 v2. Analysis relies on manufacturer specs and aggregated user feedback. See more in our Reviews category.

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EcoFlow RIVER 3 Portable Power Station: 245Wh LiFePO4, 1Hr Fast Charge, 300W (600W X-Boost) Solar Generator for Camping, RVs & Home Backup

EcoFlow RIVER 3 Portable Power Station: 245Wh LiFePO4, 1Hr Fast Charge, 300W (600W X-Boost) Solar Generator for Camping, RVs & Home Backup

Generators
EFECOFLOW
amazon.com
4.5 (762 reviews)
In Stock
$188.80 $239.00 Save $50.20

Our Verdict: EF ECOFLOW Portable Power Station RIVER 3

The RIVER 3 stands out for its one-hour AC recharge, ultra-quiet operation, and 20ms UPS switching, making it suitable for users needing compact portable power with strong safety features.

✔ Pros
  • One-hour AC charging with X-Stream technology
  • Lightweight at 7.8 lb with built-in handle
  • Less than 30 dB noise level
  • 20 ms UPS auto-switching
  • 3000+ recharge cycles with LFP battery
✘ Cons
  • 245Wh capacity limits extended high-draw use
  • X-Boost may not support all heavy appliances
View on Amazon.com

EF ECOFLOW Portable Power Station RIVER 3 Specifications

SpecValueSpecValue
Battery Capacity (Wh)245WhBattery TypeLiFePO4
Battery Lifespan3000–6000 cycles; 10+ year lifespan (estimated)AC Output (W)300
Peak Output (W)600Output Voltage120V
Solar Input (W)110W max solar inputRecharge Time100% in 1 hour
Runtimei~1.7h for travelOutlets & Ports6 outlets/ports
Parallel CapableNoWeight7.8 lbs
Dimensions8.3 x 4.4 x 10 inNoise Levelquiet (~30dB)
RV ReadyYesCertificationsFCC, CE, UL 2743, RoHS, UN38.3
In the BoxRIVER 3, AC Charging Cable, Quick Start Guide and WarrantyWarranty5 years

Battery Capacity and Power Output

The RIVER 3 provides 245Wh capacity with 300W continuous output and X-Boost up to 600W. This setup handles small appliances like laptops, lights, and phones for several hours according to manufacturer specs. Users report reliable performance for camping essentials without overload issues in typical scenarios.

Portability and Build Quality

At 7.8 lb with a built-in handle, the unit measures 30% smaller than average models. The IP54 rating offers protection against dust and water splashes. Feedback indicates easy transport for one person into bags or closets for RV and outdoor use.

Charging Options and Speed

AC charging reaches full capacity in one hour via X-Stream technology without extra adapters. Solar input supports 110W for a 2.6-hour recharge. Car and generator options add flexibility per the product details.

Outlets and Connectivity

Multiple ports include AC outlets, USB, and DC connections. The design supports simultaneous device charging while the 20ms UPS ensures seamless power during outages for security systems and fridges.

Battery Longevity and Certifications

The LFP battery supports over 3000 cycles for roughly 10 years of use. X-Guard technology includes cloud monitoring and 40+ safety measures. Explore related features on our site.

How the EF ECOFLOW Portable Power Station RIVER 3 Compares

Quick Comparison: EF ECOFLOW Portable Power Station RIVER 3 vs Alternatives

Products
EcoFlow RIVER 3 Portable Power Station: 245Wh LiFePO4, 1Hr Fast Charge, 300W (600W X-Boost) Solar Generator for Camping, RVs & Home Backup
EcoFlow RIVER 3 Portable …
★ This Review
Jackery Solar Generator 240 v2 with 40W Mini Solar Panel: 256Wh LiFePO4, 300W AC Output, Fast Charge for Camping & Emergencies
Jackery Solar Generator 2…
MARBERO M823 300W Portable Power Station 237Wh Solar Generator for Camping CPAP Emergency Backup Pure Sine Wave LED Lights
MARBERO M823 300W Portabl…
EcoFlow RIVER 2 Portable Power Station: 256Wh LiFePO4, 1Hr Fast Charge, 600W Output, Solar Generator for Camping, RV, Home Backup
EcoFlow RIVER 2 Portable …
Pros
  • – Exceptionally Quiet, Bedroom-Friendly.
  • – Lightning-Fast UPS Switching.
  • – Rapid Recharge, Long Battery Life.
  • – Ultra-Fast 1-Hour AC Charging.
  • – Compact, Comfortable Handle.
  • – Fast 100W USB-C Port.
  • – Highly Portable, Easy-Carry Handle.
  • – Quiet Operation.
  • – Fast 6-Hour Wall Charging.
  • – 1-Hour Fast AC Charging.
  • – 10-Year LiFePO4 Lifespan.
  • – Lightweight & Portable.
Cons
  • – Not for High-Draw Appliances.
  • – No Built-In Surge Protection.
  • – Solar Panel Sold Separately.
  • – Modest 256Wh Capacity.
  • – Slow 40W Solar Charging.
  • – Fan Drains Battery Under Load.
  • – Limited Capacity for Heavy Use.
  • – Shorter Runtime on High-Draw Devices.
  • – Rare Faster Battery Drain.
  • – Fan Noise During Fast Charging.
  • – Only One USB-C Port.
  • – Best for Light-Medium Loads.
Battery Capacity (Wh)
245Wh
256Wh
237Wh
256Wh
Battery Type
LiFePO4
LiFePO4
Lithium-ion
LiFePO4
Battery Lifespan
3000–6000 cycles; 10+ year lifespan (estimated)
3000 cycles
300–500 cycles; 2–3 year lifespan (estimated)
3500–6000 cycles; 10+ year lifespan (estimated)
AC Output (W)
300
300
300
600
Peak Output (W)
600
600
375
1200
Output Voltage
120V
110V
110V
120V
Solar Input (W)
110W max solar input
100W max solar input
XT-60, max 200W, 823Wh
110W max solar input
Recharge Time
100% in 1 hour
full charge in 3 hours; 1-hour fast charging
fully recharged in 8hrs
1 Hour Fast Charging
Runtimei
~1.7h for travel
~1.8h for travel
~1.7h for travel
~1.8h for travel
Outlets & Ports
6 outlets/ports
2 outlets/ports
8 outlets and ports: 1 USB-C port, 2 USB-A ports, 1 DC port, 1 DC outputs
6 outlets/ports
Parallel Capable
No
No
No
No
Weight
7.8 lbs
7.9 lbs
4.6 lbs
7.72 lbs
Dimensions
8.3 x 4.4 x 10 in
9.1 x 6 x 6.6 in
8.15 x 3.9 x 5.83 in
9.6 x 8.4 x 5.5 in
Noise Level
quiet (~30dB)
quiet (~30dB)
quiet (~30dB)
quiet (~30dB)
RV Ready
Yes
No
Yes
Yes
Certifications
FCC, CE, UL 2743, RoHS, UN38.3
UL
FCC, CE, RoHS, UN38.3
FCC, CE, UL 2743, RoHS, UN38.3
In the Box
RIVER 3, AC Charging Cable, Quick Start Guide and Warranty
Lithium Polymer battery
MARBERO Portable Power Station M823
RIVER 2 portable power station, AC charging cable, car charging cable, user manual, 5-year service. (A solar charging cable is not included.)
Warranty
5 years
3 years
12 MONTHS WARRANTY: Marbero portable power supply can offer 12 months warranty and 7*24 customer service after your purchase. If you have any problem, please feel free to contact us via Amazon's message.
5-year warranty

Head-to-Head: How Does It Stack Up?

The Jackery Solar Generator 240 v2 as a competitor offers similar 256Wh capacity and 300W output but includes app control and a bundled solar panel option. The RIVER 3 wins on faster one-hour AC charging and lower noise under 30 dB. The Jackery suits users wanting smart monitoring features.

The MARBERO 237Wh model as a competitor provides 300W output at a lower price point with added LED lights. The RIVER 3 excels in faster recharge times and GaN efficiency for double runtime on low-watt appliances. Choose MARBERO for basic camping with lighting needs.

The EF ECOFLOW RIVER 2 as a same-brand alternative matches the 256Wh size and one-hour charging but lacks the newer GaN technology. The RIVER 3 provides quieter operation and better efficiency for users upgrading within the lineup.

Is the EF ECOFLOW Portable Power Station RIVER 3 Right for You?

Best For

  • Campers needing fast recharge and quiet operation under 30 dB
  • Home users requiring 20ms UPS for seamless outage protection
  • Travelers prioritizing 7.8 lb portability and IP54 durability
  • Those seeking 3000+ cycle LFP longevity for long-term value

Consider Something Else If…

  • You need higher capacity beyond 245Wh for extended high-draw devices
  • Integrated app control or bundled solar panels are priorities

EF ECOFLOW Portable Power Station RIVER 3: Final Verdict

The RIVER 3 delivers strong value in the mid-range segment through its combination of one-hour charging, low noise, and reliable UPS functionality based on manufacturer details and user reports.

Its main limitation remains the 245Wh capacity which restricts prolonged use of larger appliances. Trade-offs include fewer ports compared to some competitors.

Buy the RIVER 3 if you prioritize speed, portability, and quiet performance over higher capacity options in the reviewed alternatives.

View on Amazon.com

Frequently Asked Questions: EF ECOFLOW Portable Power Station RIVER 3

How long does the RIVER 3 take to charge?

The unit reaches full charge in one hour via AC with X-Stream technology. Solar input at 110W completes recharge in 2.6 hours per manufacturer specifications.

How many appliances can it run simultaneously?

The 300W output with X-Boost to 600W supports multiple low-watt devices at once including laptops and lights. Overloads are prevented through built-in protections.

How long will the battery last before replacement?

The LFP battery supports 3000+ cycles for approximately 10 years of regular use according to product details.

Is it compatible with solar panels?

Yes, 110W solar input allows full recharge in 2.6 hours. Check our by-use section for solar setups.

Browse All Models

1
Best Seller

EcoFlow RIVER 3 Portable Power Station: 245Wh LiFePO4, 1Hr Fast Charge, 300W (600W X-Boost) Solar Generator for Camping, RVs & Home Backup

EFECOFLOW
8.4 /10
WG Score
The WG Score is an independent rating system developed by our editorial team. Scores range from 0 to 10 and are based on data collected across performance, value, reliability, and user feedback — free from any influence by manufacturers or sales partners. We encourage readers to share their experiences in the product reviews section.. Learn more ›
Pros & Cons

Pros

  • Exceptionally quiet even during charging, perfect for bedrooms or offices
  • Lightning-fast UPS switching prevents data loss or reboots on networks and PCs
  • Rapid recharging and long battery life outperform traditional UPS units
  • Compact and lightweight design with sturdy, drop-resistant build
  • Intuitive app provides detailed monitoring and WiFi connectivity info

Cons

  • Limited capacity won't run high-draw appliances like fridges for long
  • Lacks built-in surge protection, best paired with a separate power strip
  • Solar input requires compatible panel sold separately
Detailed Review

The EcoFlow RIVER 3 is a compact portable power station packing 245Wh of LiFePO4 battery capacity into a 7.8-pound unit, ideal for campers, RV enthusiasts, and homeowners seeking reliable backup power. With 300W continuous output expandable to 600W via X-Boost, it handles small appliances, laptops, routers, and phones effortlessly, doubling as a superior UPS alternative for sensitive electronics during outages.

Standout features shine in real-world use: X-GaNPower tech boosts efficiency for devices under 100W, while 1-hour AC fast charging and 110W solar compatibility ensure quick top-ups. Users rave about its <20ms UPS switchover that keeps modems, servers, and computers running without interruption, even in frequent power flickers. The app offers precise control, showing power draw, battery health, and WiFi details for seamless management.

Build quality impresses with a solid feel, IP54 waterproofing, fireproof materials, and drop resistance, making it 30% smaller than competitors for easy portability in bags or closets. At under 30dB, it's whisper-quiet, far better than fan-noisy UPS units, and supports 6 outlets for versatile indoor/outdoor setups.

Drawbacks include its capacity limits for power-hungry items like fridges and no native surge protection, though pairing with a strip mitigates this. Solar charging needs an optional panel.

Verdict: A top entry-level choice for quiet, portable backup power that excels as a UPS for tech setups and light camping needs, backed by a 10-year battery lifespan.

Key Specifications

Capacity: 245Wh LiFePO4 battery

Output: 300W (600W X-Boost), 6 outlets

Charging: 1hr AC, 2.6hr 110W solar

Weight/Dimensions: 7.8 lbs, 8.3 x 4.4 x 10 inches

Special Features: <20ms UPS, app control, IP54 rated, <30dB noise

Why Buyers Love It

Users highlight its role as a daily UPS for routers and PCs, with seamless outage handling and days-long runtime on low-draw devices. Campers appreciate portability for powering coolers, while the app's ease and silence earn praise over bulkier rivals.

One reviewer notes: 'Keeps modem running during storms without data loss.' Another: 'Super quiet, charged laptop via USB-C flawlessly as UPS for network gear.'

2
Editor's Pick

MARBERO 237Wh Solar Generator with 60W Foldable Panel - 300W Portable Power Station for Camping, Hiking & Emergencies

MARBERO
8.3 /10
WG Score
The WG Score is an independent rating system developed by our editorial team. Scores range from 0 to 10 and are based on data collected across performance, value, reliability, and user feedback — free from any influence by manufacturers or sales partners. We encourage readers to share their experiences in the product reviews section.. Learn more ›
Pros & Cons

Pros

  • Bundled with efficient 60W foldable solar panel for easy recharging
  • Versatile ports support fast charging for up to 8 devices at once
  • Pure sine wave output ensures compatibility with sensitive gadgets
  • Built-in LED flashlight adds emergency utility
  • 12-month warranty and responsive customer service

Cons

  • Limited to 300W rated power, unsuitable for high-wattage appliances
  • Somewhat heavy at 9 pounds for ultra-light backpacking
  • Solar charging depends on direct sunlight for optimal performance
Detailed Review

The MARBERO M823 is a compact 237Wh portable power station paired with a 60W foldable solar panel, designed for outdoor enthusiasts, campers, hikers, and anyone needing backup power during emergencies. With 300W pure sine wave output, it safely powers small appliances, laptops, phones, and more, making it a versatile solution for off-grid adventures or home blackouts.

Standout features include multiple outputs like two AC outlets, USB-C PD, QC3.0 ports, and DC, allowing simultaneous charging of various devices. The included solar panel boasts 21.5-23.5% efficiency and a smart chip for optimal, protected charging. Real-world performance shines in sunlight, recharging the battery reliably, while the three-mode LED flashlight (steady, strobe, SOS) provides essential illumination in the dark.

Build quality is solid with an ABS shell, weighing just 9 pounds for portability, though its size suits day trips or car camping better than ultralight treks. Setup is straightforward: connect the DC cable from panel to station and position in sun. It handles rated loads well but avoid exceeding 300W to prevent damage.

Potential drawbacks include power limits for larger devices and weather-dependent solar input. Overall, this kit delivers excellent value for reliable, eco-friendly power, earning strong recommendation for outdoor and emergency use.

Specifications

Capacity: 237Wh / 64000mAh Lithium-Ion

Output: 300W Continuous / 375W Peak Pure Sine Wave

Ports: 2x AC, 2x USB-A QC3.0, 2x USB-A, 1x USB-C PD, 1x DC

Solar Panel: 60W Foldable, 21.5-23.5% Efficiency

Weight: 9 Pounds | Dimensions: 12"L x 10"W x 16"H

Warranty: 12 Months

3
Limited Time

MARBERO M823 300W Portable Power Station 237Wh Solar Generator for Camping CPAP Emergency Backup Pure Sine Wave LED Lights

MARBERO
8.2 /10
WG Score
The WG Score is an independent rating system developed by our editorial team. Scores range from 0 to 10 and are based on data collected across performance, value, reliability, and user feedback — free from any influence by manufacturers or sales partners. We encourage readers to share their experiences in the product reviews section.. Learn more ›
Pros & Cons

Pros

  • Highly portable and easy to carry with handle
  • Quiet operation with only occasional fan noise
  • Fast wall charging in 6 hours and reliable for all-night CPAP use
  • Bright dual LED flashlights for camping and emergencies
  • Powers fans, microwaves, and small appliances effectively

Cons

  • Limited capacity may not handle heavy multitasking for extended periods
  • Smaller size means shorter runtime on high-draw devices
  • Rare reports of battery draining faster than expected over time
Detailed Review

The MARBERO M823 portable power station is a compact 237Wh lithium battery solution designed for outdoor enthusiasts, CPAP users, and anyone needing reliable backup power during home blackouts. Weighing just 4.6 pounds and measuring about 8x4x6 inches, it fits easily in a backpack, making it ideal for camping, hiking, or emergency kits where space and weight matter.

Standout features include 300W pure sine wave AC outlets (375W peak), fast-charging USB ports (including PD 18W USB-C and QC3.0), and a DC output, allowing simultaneous powering of multiple devices like phones, laptops, fans, and small appliances. Users praise its ability to run CPAP machines all night, charge gadgets during outages, and even handle brief microwave use. Dual LED lanterns—one with two brightness levels and another with three modes including SOS—provide versatile lighting for campsites or power failures. Recharging is flexible via wall adapter (6 hours), car port (8 hours), or compatible solar panels.

Build quality feels solid with cooling vents to manage heat and a Battery Management System (BMS) for protection against shorts, overloads, and temperature extremes. It's quiet, with minimal fan noise, and the ergonomic handle enhances portability. Real-world performance shines in short-term needs, like powering heated blankets outdoors or Bluetooth speakers for hours without significant drain.

Drawbacks include its capacity limit, which suits light to moderate loads but not prolonged heavy use, and occasional issues with simultaneous high-power charging. Some users note it's smaller than expected, so it's best for targeted backup rather than whole-home solutions.

Overall, the MARBERO M823 excels as a versatile, user-friendly power companion for portable needs. If you want dependable off-grid energy without bulk, this is a strong choice with proven reliability from everyday users.

Specifications

Battery Capacity: 237Wh (64,000mAh equivalent)

AC Output: 300W continuous (375W peak), 110V/60Hz, 2 outlets (2-prong & 3-prong)

Ports: 2x USB-A QC3.0 (18W), 2x USB-A (15W), 1x USB-C PD (18W), 1x DC (12-16.8V/10A max)

Recharge Time: 6hrs wall, 8hrs car, solar compatible (16.4-24V/2.7A max)

Dimensions & Weight: 8.15 x 3.9 x 5.83 inches, 4.6 lbs

Operating Temp: 14°F to 104°F

4
Top Rated

Jackery Solar Generator 240 v2 with 40W Mini Solar Panel: 256Wh LiFePO4, 300W AC Output, Fast Charge for Camping & Emergencies

JackeryInc
8.4 /10
WG Score
The WG Score is an independent rating system developed by our editorial team. Scores range from 0 to 10 and are based on data collected across performance, value, reliability, and user feedback — free from any influence by manufacturers or sales partners. We encourage readers to share their experiences in the product reviews section.. Learn more ›
Pros & Cons

Pros

  • Ultra-fast 1-hour AC charging and efficient solar input
  • Compact, lightweight design with comfortable carry handle
  • Versatile ports including 100W USB-C for modern devices
  • Durable LiFePO4 battery holds charge for months
  • User-friendly app and clear battery display

Cons

  • Limited 256Wh capacity suits light use, not heavy appliances or extended trips
  • 40W mini solar panel charges slowly in low light
  • Cooling fan can drain battery noticeably during prolonged high-load use
Detailed Review

The Jackery Solar Generator 240 v2 paired with a 40W mini solar panel is a portable power solution designed for outdoor enthusiasts, travelers, and anyone preparing for home emergencies like blackouts. With 256Wh capacity, 300W AC output (600W surge), and multiple ports including 100W USB-C, it powers essentials such as CPAP machines, laptops, phones, and lights without noise or fumes.

Standout performance includes 1-hour AC super charging from 0-100% and 3-hour solar recharge, backed by a LiFePO4 battery rated for 10 years or 3,000 cycles. Users praise its reliability for camping, road trips, and outages, with real-world tests showing it runs devices all day via solar without draining car batteries. The app enables remote monitoring, while UPS functionality switches to backup power in 20ms during blackouts.

Build quality shines with a rugged 7.9 lbs frame, ergonomic handle, and shock-resistant design certified for safety. The integrated camping light with SOS mode adds utility, and ports support simultaneous charging. Reviewers highlight ease of use, sturdy construction, and long charge retention even after months idle.

Drawbacks include its smaller capacity limiting heavy loads and the mini panel's slower charging in shade. The fan may run during intensive use, slightly reducing runtime. Still, for portable, everyday backup, it excels.

Verdict: Ideal for light-to-moderate power needs in camping, travel, or emergencies. Upgrade to larger models for more demanding scenarios, but this v2 delivers exceptional value in portability and speed.

Key Specifications

Capacity: 256Wh LiFePO4 battery (10-year lifespan)

Outputs: 300W AC (600W surge), 100W USB-C (x2), 15W USB-A, 12V car port

Inputs: 100W AC (1-hour full charge), 100W solar (3 hours with 100W panel)

Weight & Size: 7.9 lbs, 9.1 x 6.0 x 6.6 inches

Extras: App control, UPS <20ms, built-in light, -10°C to 45°C operation

5

EcoFlow RIVER 2 Portable Power Station: 256Wh LiFePO4, 1Hr Fast Charge, 600W Output, Solar Generator for Camping, RV, Home Backup

EFECOFLOW
8.1 /10
WG Score
The WG Score is an independent rating system developed by our editorial team. Scores range from 0 to 10 and are based on data collected across performance, value, reliability, and user feedback — free from any influence by manufacturers or sales partners. We encourage readers to share their experiences in the product reviews section.. Learn more ›
Pros & Cons

Pros

  • Exceptional 1-hour fast charging via AC
  • Durable LiFePO4 battery with 10-year lifespan
  • Lightweight and easy to carry anywhere
  • Versatile ports including 2x 300W AC outlets
  • Strong app integration for monitoring

Cons

  • Fan noise audible during fast charging
  • Single USB-C port limits simultaneous charging
  • Best for low-to-medium power devices, not heavy appliances long-term
Detailed Review

The EcoFlow RIVER 2 is a versatile portable power station designed for campers, RV travelers, outdoor enthusiasts, and home emergency backup. With 256Wh capacity and LiFePO4 battery chemistry, it powers essentials like phones, cameras, drones, laptops, fans, and mini fridges, offering runtimes from hours to days depending on device wattage.

Standout features include X-Stream 1-hour AC recharge, up to 600W output with X-Boost for handling surges, and fast solar input for off-grid use. Users praise its real-world performance, such as recharging e-bikes in sheds, sustaining camping gadgets for a week, or acting as UPS for routers during outages, with seamless 30ms switching. The app provides detailed monitoring, enhancing usability.

Build quality shines with a lightweight 7.7 lbs design, sturdy handle, and advanced BMS for safety. Reviewers highlight its compact size, quiet operation under load, and premium feel, making it ideal for sheds, trips, or teleworking.

Drawbacks include fan noise during rapid charging and a single USB-C port, which may require prioritization. It suits low-to-medium loads best, not prolonged high-wattage use.

Overall, the RIVER 2 delivers exceptional value for portable, reliable power, earning high marks for speed, longevity, and convenience. Perfect for anyone seeking a gateway to sustainable off-grid living.

Key Specifications

Capacity: 256Wh LiFePO4 battery

Output: Up to 600W AC (2 outlets), multiple USB ports including USB-C

Recharge: 1 hour AC, 2.3 hours solar (110W input), car/USB-C options

Weight/Dimensions: 7.7 lbs (3.5 kg), 9.6 x 8.4 x 5.5 inches

Other: App control, UPS mode (30ms switch), 5-year warranty