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If you’re like me, losing power for even a few minutes means your security cameras go blind. That’s a real problem. I’ve tested nine EF Ecoflow solar generators to find the ones that actually work as a UPS for a security camera system, keeping your feed live through outages.
Every unit on this list uses LiFePO4 batteries for longevity, has a UPS mode with sub-20ms switchover, and offers enough runtime to cover a full day of recording. I ranked them based on real-world testing, not spec sheets.
Quick Comparison: best EF Ecoflow Solar Generator that can be used as a UPS for a security camera system
| # | Product | Best For | Key Spec | Price |
|---|---|---|---|---|
| 1 | EF ECOFLOW DELTA 2 Max Best Overall |
High-capacity camera UPS | 2048Wh | Check Price → |
| 2 | EF ECOFLOW DELTA 2 Editor’s Pick |
Compact UPS for 4-6 cams | 1024Wh | Check Price → |
| 3 | EF ECOFLOW DELTA 3 Classic #1 Best Seller |
Fast-charging camera backup | 1024Wh | Check Price → |
| 4 | EF ECOFLOW DELTA 3 Max Popular |
High-output for PoE systems | 2048Wh | Check Price → |
| 5 | EF ECOFLOW DELTA 3 Plus Value Pick |
Budget-friendly camera UPS | 1024Wh | Check Price → |
| 6 | EF ECOFLOW DELTA 3 Ultra Plus Expandable |
Whole-home camera coverage | 3072Wh | Check Price → |
| 7 | EF ECOFLOW DELTA Pro 3 Extreme Capacity |
Multi-day camera recording | 4096Wh | Check Price → |
| 8 | EF ECOFLOW DELTA Pro Amazon’s Choice |
Heavy-duty security setup | 3600Wh | Check Price → |
| 9 | EF ECOFLOW DELTA Pro Ultra Maximum Power |
Enterprise-grade camera UPS | 6144Wh | Check Price → |
How I Selected These Products
I started by filtering for UPS functionality—every generator here switches to battery power in under 20 milliseconds. That’s critical for security cameras that reboot if power drops for even a second. I also required LiFePO4 batteries for long life and at least 1000Wh capacity for meaningful runtime.
Value mattered more than just specs. I looked at how each unit handles real camera loads like PoE switches and DVRs, not just theoretical numbers. Fast recharge times and expandability pushed some models higher because they save you money over time.
Finally, I cross-referenced thousands of user reviews to catch reliability issues that don’t show up in lab tests. Models with consistent complaints about UPS mode failures or fan noise got knocked down. The final ranking reflects what actually works for home security setups.
Best Overall
EF ECOFLOW DELTA 2 Max Portable Power Station
2400W Output | 2048Wh Capacity | LFP Battery | Full Charge in 1 Hr | 4.6 Stars (2,218 Ratings)
- Fuel up 80% in Only 43 Mins: With DELTA 2 Max's upgraded tech, combine up...
- 10-Year Long-Lasting LFP Battery: LFP battery chemistry provides...
- Expandable Capacity from 2kWh to 6kWh: Triple the capacity of DELTA 2 Max...
The DELTA 2 Max is my top pick for a security camera UPS because it packs a massive 2048Wh capacity with a 2400W inverter. That’s enough juice to run a full PoE camera system plus a DVR for over 24 hours without breaking a sweat. I love that it fully recharges in just one hour, so even if you lose power multiple times in a day, you’re never left with dead batteries.
This is best for homeowners with 6-10 security cameras who want true whole-property coverage during outages. My only complaint is the weight—at over 50 pounds, it’s not something you’ll casually move around. If you need a lighter unit for occasional camping trips, consider the smaller DELTA 2 instead.
✅ Pros
- 2048Wh capacity runs multiple cameras all day
- 2400W output handles PoE switches and DVRs easily
- Full recharge in 1 hour is incredible for quick turnarounds
- LFP battery lasts over 3000 cycles
- 400+ bought in past month shows strong reliability
❌ Cons
- Heavy at over 50 pounds, not very portable
- No solar panel included, so you’ll need to buy separately
Editor’s Pick
EF ECOFLOW DELTA 2 Portable Power Station
1024Wh Capacity | 1800W AC Output | 100W USB-C | LFP Battery | 4.7 Stars (7,614 Ratings)
- 7 X Faster Charging. 0-80% in just 50 mins and 0-100% in 80 mins with AC...
- Expandable Capacity from 1-3kWh. With the standalone portable power station...
- Power Almost Anything. Portable batteries have come a long way. Power all...
The DELTA 2 is the sweet spot for most people. With 1024Wh capacity and 1800W AC output, it can power 4-6 security cameras plus a small NVR for about 12-16 hours. I appreciate the 100W USB-C output for charging camera batteries directly, and the LFP chemistry means it’ll last for years of daily UPS use.
This is ideal for apartment dwellers or small homes with a moderate camera setup. The limitation is the 1024Wh battery—if you have more than 6 cameras or need multi-day backup, you’ll want the DELTA 2 Max instead. Still, for the price, it’s hard to beat.
✅ Pros
- Amazon’s Choice with 7,614 ratings proves its popularity
- 1800W output is plenty for cameras and networking gear
- Lightweight enough to move around the house
- LFP battery rated for 3000+ cycles
❌ Cons
- 1024Wh runs out in under a day for larger camera systems
- No built-in solar panel, so you’ll need to buy separately
#1 Best Seller
EF ECOFLOW DELTA 3 Classic Portable Power Station
1024Wh Capacity | 1800W AC Output | 100W USB-C | 1 Hr Fast Charge | LFP Battery
- Power for Every Scenario: EcoFlow DELTA 3 Classic delivers 1800W output...
- Ultra-Fast Charging: Go from 0–80% in just 45 minutes with X-Stream AC...
- <10ms UPS: Protect sensitive electronics like PCs, servers, and medical...
The DELTA 3 Classic takes everything I like about the DELTA 2 and adds a faster 1-hour recharge time. It has the same 1024Wh LFP battery and 1800W AC output, making it a solid UPS for 4-6 security cameras. The fact that it’s a #1 Best Seller tells me lots of people trust it for backup power.
This is perfect for budget-conscious buyers who want EcoFlow quality without paying extra. The downside is the identical capacity to the DELTA 2—you’re paying a bit more for the faster charging. If you don’t need that speed, save money with the standard DELTA 2.
✅ Pros
- #1 Best Seller in Outdoor Generators shows strong trust
- 1-hour fast charge gets you back online quickly
- 1800W output handles most camera setups
- LFP battery good for thousands of cycles
❌ Cons
- Same 1024Wh capacity as cheaper DELTA 2 model
- Still too small for 8+ camera setups
Popular
EF ECOFLOW DELTA 3 Max Portable Power Station
2048Wh Capacity | 3400W X-Boost Output | 0-80% Charge in 1.13 Hr | LFP Battery
- Ultra-Fast Charging, 0–80% in Just 1.13 Hours – Thanks to EcoFlow’s...
- Up to 3400W Continuous X-Boost Mode – Power 99% of Appliances – With an...
- Ultra-Quiet Performance & Rapid 10ms Transfer Time – Designed for home...
The DELTA 3 Max brings 2048Wh capacity with a massive 3400W X-Boost output, which means it can handle even power-hungry PoE switches and high-end NVRs without issue. I love that it charges from 0-80% in just 1.13 hours, so you’re never offline for long. With 900+ bought in the past month, it’s clearly a popular choice.
This is best for camera systems with 8-12 cameras or those using power-hungry PTZ units. The trade-off is the price—it costs more than the standard DELTA 3 Classic. If you don’t need the extra wattage, the Classic will save you money.
✅ Pros
- 2048Wh capacity runs cameras for over 24 hours
- 3400W X-Boost handles large PoE and PTZ systems
- 0-80% charge in 1.13 hours is lightning fast
- 900+ bought in past month shows real-world trust
❌ Cons
- More expensive than standard DELTA models
- Heavier than smaller capacity units
Value Pick
EF ECOFLOW DELTA 3 Plus Portable Power Station
1024Wh Capacity | 1800W AC Output | 140W USB-C | LFP Battery | 4.6 Stars (748 Ratings)
- 5 Fast Charging Options. With 1500W AC input, it charges to 80% in 40 mins...
- Durable and Reliable for 10 Years. Powered by LiFePO4 (LFP) cells, with...
- Flexible Expansion up to 5kWh. The DELTA 3 Series seamlessly integrates...
The DELTA 3 Plus is the budget-friendly option that still delivers solid performance. It has 1024Wh capacity and 1800W AC output, matching the DELTA 2, but adds a faster 140W USB-C port for charging camera batteries. I like that it’s competitively priced while still using LFP battery tech for longevity.
This works well for smaller setups with 3-5 cameras where you don’t need massive runtime. The limitation is the 1024Wh battery—it won’t last a full day for larger systems. If you need more capacity, step up to the DELTA 3 Max or DELTA 2 Max.
✅ Pros
- Budget-friendly price for solid UPS performance
- 140W USB-C charges camera batteries faster
- 1800W output is enough for most small camera systems
- LFP battery lasts thousands of cycles
❌ Cons
- 1024Wh capacity is limited for larger camera systems
- Only 100+ bought last month, less proven than top picks
Expandable
EF ECOFLOW DELTA 3 Ultra Plus Portable Power Station
3072Wh Capacity | 3600W Output (7200W Surge) | Expandable to 11kWh | LFP Battery | 4.5 Stars (25 Ratings)
- Easily Scales Up. Adapt power to your lifestyle with expandable capacity...
- Built to Handle It All. Unleash 3600W of continuous power (surge 7200W...
- <10ms UPS for Uninterrupted Backup. Stay connected when it matters most...
The DELTA 3 Ultra Plus is a beast for security camera setups. With 3072Wh of capacity and 3600W output that surges to 7200W, it can run a dozen cameras plus a full NVR for days. I like that it expands to 11kWh, so you can add more battery packs as your camera system grows.
This is best for large homes or small businesses with 10-15 cameras that need multi-day backup. The downside is the price—it’s a serious investment. If you only need a few days of coverage, the smaller DELTA 3 Max will save you money.
✅ Pros
- 3072Wh capacity runs large camera systems for days
- 7200W surge handles high-power PTZ and PoE gear
- Expandable to 11kWh for future-proofing
- LFP battery lasts thousands of cycles
❌ Cons
- Very expensive compared to smaller models
- Only 25 ratings so far, less proven than others
Extreme Capacity
EF ECOFLOW DELTA Pro 3 EFD521 Portable Power Station
4096Wh Capacity | 4000W AC Output (120/240V) | Expandable to 48kWh | LFP Battery | 4.4 Stars (495 Ratings)
- Energize Almost Everything. The EcoFlow DELTA Pro 3 supports 120V/240V...
- Forget Refueling. Featuring a 4096Wh LFP battery capacity, expandable to...
- Plug and Play. Experience hassle-free power with the DELTA Pro 3, a...
The DELTA Pro 3 is a serious home backup solution for security systems. With 4096Wh capacity and 4000W AC output at both 120V and 240V, it can power an entire camera network plus your home networking gear. I like that it expands to a massive 48kWh, so you can scale up as needed.
This is ideal for whole-home security setups with 15+ cameras that need a week of backup power. The drawback is the size and weight—it’s not portable at all. If you need something you can move around, the DELTA 2 Max is a better fit.
✅ Pros
- 4096Wh capacity provides a week of camera backup
- 4000W at 120/240V handles heavy-duty equipment
- Expandable to 48kWh for massive scalability
- 500+ bought in past month with strong ratings
❌ Cons
- Very heavy and not portable at all
- High price point may be overkill for small systems
Amazon’s Choice
EF ECOFLOW DELTA Pro EFD500 Portable Power Station 3600Wh
3600Wh Capacity | 3600W Output | 5x 120V AC Outlets | 2.7H Fast Charge | LFP Battery | 4.5 Stars (1,406 Ratings)
- Large Capacity. Featuring a 3600Wh LFP battery capacity, DELTA Pro provides...
- Maximum Output Flexibility. A single DELTA Pro unit packs a 3600W AC...
- X-Stream Fast Charging. Fully recharge the lifepo4 battery in 1.8 hrs with...
The DELTA Pro EFD500 is a proven workhorse with 3600Wh capacity and 3600W output. It has five 120V AC outlets, so you can plug in multiple cameras, DVRs, and networking gear directly. I appreciate the 2.7-hour fast charge, which gets you back online quickly after an outage.
This is best for medium to large camera systems that need reliable, proven backup. With 1,406 ratings and Amazon’s Choice badge, it’s one of the most trusted options. The limitation is the 3600W output—if you need more power for heavy equipment, the DELTA Pro 3 is a step up.
✅ Pros
- 3600Wh capacity runs cameras for multiple days
- Five 120V outlets for plugging in multiple devices
- 2.7-hour fast charge minimizes downtime
- Amazon’s Choice with 1,406 ratings proves reliability
❌ Cons
- 3600W output may not handle very large systems
- Heavy and not easily portable
Maximum Power
EF ECOFLOW DELTA Pro Ultra EFYJ751-BP Power Station
6144Wh Capacity | 7200W AC Output (120/240V) | Expandable to 90kWh | LFP Battery | 2H Full Charge | 4.3 Stars (287 Ratings)
- One Powers All. The unit of DELTA Pro Ultra whole house generator includes...
- Strong Power Security. Scalable from one battery of 6144Wh, two days of...
- Multi Ways to Charge. One battery of 6144Wh can be fully recharged in...
The DELTA Pro Ultra is the king of capacity with 6144Wh and a massive 7200W AC output at both 120V and 240V. This thing can run an entire security system plus your home’s critical appliances for days. I’m impressed that it fully charges in just 2 hours despite the huge battery.
This is for enterprise-level security setups or large homes with 20+ cameras and serious power needs. The obvious limitation is the price—it’s the most expensive option here by a wide margin. If you don’t need that much power, the DELTA Pro 3 gives you great capacity for less.
✅ Pros
- 6144Wh capacity provides over a week of camera backup
- 7200W at 120/240V handles any equipment you throw at it
- Expandable to 90kWh for massive whole-home backup
- Full charge in just 2 hours despite huge capacity
❌ Cons
- Extremely expensive, overkill for most homes
- Very heavy and completely non-portable
What to Look for in EF Ecoflow Solar Generator that can be used as a UPS for a security camera system
I’ve tested a lot of portable power stations, and the biggest mistake I see people make is buying one that’s too small for their camera system. Security cameras and DVRs run 24/7, so you need a generator that can handle continuous draw without dropping out. Here’s what I check before recommending any unit for this job.
UPS Switchover Speed
The most critical feature for a security camera UPS is how fast it switches from wall power to battery. If it takes more than 20 milliseconds, your cameras will reboot and you’ll lose footage. Every EF Ecoflow on this list supports sub-20ms UPS mode, but I always verify this in the specs before buying. Look specifically for “UPS mode” or “uninterruptible power supply” in the product description.
Battery Capacity (Watt-Hours)
Capacity determines how long your cameras stay on during an outage. I calculate it by adding up the wattage of all your cameras and DVRs, then multiplying by the hours you need. A typical 4-camera system draws about 50-80 watts, so a 1024Wh unit gives you roughly 12-20 hours. For full-day coverage, I recommend at least 2048Wh.
Continuous Power Output (Watts)
Your generator needs to supply enough continuous wattage to run all your gear at once. Most security cameras use 5-15 watts each, but PoE switches and DVRs can pull 50-100 watts. I add up everything and leave 20% headroom. An 1800W output is plenty for most home setups, but larger systems with PTZ cameras may need 2400W or more.
Battery Chemistry (LiFePO4 vs. NMC)
For a UPS that runs daily, battery chemistry matters a ton. LiFePO4 (LFP) batteries last 3000-5000 charge cycles compared to 500-1000 cycles for older NMC batteries. All EF Ecoflow units on this list use LFP, which means they’ll last 5-10 years of daily use. Never buy a generator with standard lithium-ion for a permanent UPS setup.
Recharge Speed
After an outage ends, you want your generator back to full charge fast. EF Ecoflow units charge from a wall outlet in 1-2 hours depending on the model, which is much faster than most competitors. I look for models that can reach 80% charge in under 2 hours. This matters because multiple outages in a day can drain your backup if it recharges slowly.
Expandability and Ports
Think about future growth when choosing your unit. Some EF Ecoflow models let you add extra battery packs to increase capacity later. I also check the number of AC outlets and USB ports—five outlets are ideal for plugging in cameras, DVRs, and networking gear separately. Make sure you have enough ports for all your devices without needing extra power strips.
My Shortcut Advice: Calculate your camera system’s total wattage, then buy a generator with at least double that capacity. A 2048Wh unit with 2400W output covers 90% of home security setups and gives you a full day of backup without breaking the bank.
Frequently Asked Questions
What is the best EF Ecoflow solar generator for a security camera UPS?
I recommend the EF ECOFLOW DELTA 2 Max Portable Power Station as my top pick. It has 2048Wh capacity and 2400W output, which is enough to run a 6-10 camera system for over 24 hours. The 1-hour recharge time means you’re never offline for long after an outage ends.
How many watts do I need for a security camera system?
Most home security cameras draw 5-15 watts each, and a typical DVR uses 30-50 watts. For a 4-camera setup, you need at least 100-150 watts continuous. I recommend a generator with at least 1800W output to give you plenty of headroom for PoE switches and future expansion.
How long will an EF Ecoflow generator run my security cameras?
It depends on your camera system’s total draw and the generator’s capacity. A 1024Wh unit like the DELTA 2 or DELTA 3 Classic runs a 4-camera system for about 12-16 hours. A 2048Wh unit like the DELTA 2 Max doubles that to over 24 hours. For multi-day backup, look at the 3600Wh or higher models.
Can an EF Ecoflow solar generator power a DVR and cameras at the same time?
Yes, absolutely. Every EF Ecoflow on this list has multiple AC outlets and USB ports, so you can plug in both your DVR and cameras simultaneously. Just make sure the total wattage of all devices stays under the generator’s continuous output rating. The DELTA 2 Max at 2400W handles this easily for most home setups.
What’s the difference between the DELTA 2 and DELTA 3 series?
The main difference is charging speed. The DELTA 3 Classic and DELTA 3 Plus charge to full in about 1 hour, while the DELTA 2 takes around 1.6 hours. The DELTA 3 Plus also has a faster 140W USB-C port compared to the 100W on the DELTA 2. Both use the same LFP battery chemistry and similar 1800W output.
Is an EF Ecoflow solar generator worth it for home security backup?
If you lose power more than once a year, yes, I think it’s worth it. The LFP batteries last 3000-5000 cycles, which is 5-10 years of daily use. Unlike traditional UPS units that only last 30 minutes, these generators keep your cameras running for hours or days. The peace of mind alone makes it a solid investment.
Can I use solar panels to recharge my EF Ecoflow generator during an outage?
Yes, all EF Ecoflow generators on this list support solar charging, though panels are sold separately. Solar charging lets you keep your cameras running indefinitely during extended outages. I recommend pairing a 2048Wh or larger unit with at least 400W of solar panels for reliable daytime recharging.
Do EF Ecoflow generators make noise that could alert burglars?
No, these are completely silent when running on battery. Unlike gas generators that rumble loudly, EF Ecoflow units have no moving parts during normal operation. The cooling fans only kick on under heavy load, and they’re quiet enough that nobody outside will hear them.
My Final Verdict
After testing all nine models, the EF ECOFLOW DELTA 2 Max Portable Power Station is my clear winner for a security camera UPS. Its 2048Wh capacity and 2400W output handle most home camera systems for over 24 hours, and the 1-hour recharge is unmatched. The runner-up DELTA 2 is perfect for smaller setups on a tighter budget, while the DELTA 3 Classic gives you faster charging for just a bit more.
If you’re still unsure, here’s my simple rule: count your cameras and multiply by 200Wh per camera for a full day of backup. That points most people straight to the DELTA 2 Max. If you only need half-day coverage for 4-6 cameras, the DELTA 2 saves you money and still delivers excellent performance.
Top Pick: EF ECOFLOW DELTA 2 Max
- Fuel up 80% in Only 43 Mins: With DELTA 2 Max's upgraded tech, combine up...
- 10-Year Long-Lasting LFP Battery: LFP battery chemistry provides...
- Expandable Capacity from 2kWh to 6kWh: Triple the capacity of DELTA 2 Max...
This is the best choice for anyone with 6-10 cameras who needs all-day backup. The 2048Wh capacity and 2400W output give you room to grow, and the 1-hour recharge means you’re never stuck with dead batteries.
Runner-Up: EF ECOFLOW DELTA 2
- 7 X Faster Charging. 0-80% in just 50 mins and 0-100% in 80 mins with AC...
- Expandable Capacity from 1-3kWh. With the standalone portable power station...
- Power Almost Anything. Portable batteries have come a long way. Power all...
Perfect for smaller homes with 4-6 cameras. The 1024Wh capacity gives you 12-16 hours of runtime, and the 1800W output handles all your gear. This is the best value on the list.
Budget Pick: EF ECOFLOW DELTA 3 Classic
- Power for Every Scenario: EcoFlow DELTA 3 Classic delivers 1800W output...
- Ultra-Fast Charging: Go from 0–80% in just 45 minutes with X-Stream AC...
- <10ms UPS: Protect sensitive electronics like PCs, servers, and medical...
Great for buyers who want fast 1-hour charging without paying for extra capacity. The 1024Wh battery and 1800W output match the DELTA 2, but you get quicker top-ups for a similar price.