EcoFlow Delta 3 and Delta 3 Plus are portable power stations built for backup, outdoor use, and reliable charging. The EcoFlow Delta 3 Plus is the newer version with stronger performance, faster charging, and upgraded outputs. EcoFlow Delta 3 came with as an efficient, mid-sized power station. This comparison will help you quickly understand the differences and decide which one is the better fit for you.
Feature-by-Feature Breakdown
Dual Solar Input Ports:
- EcoFlow Delta 3 Plus features dual solar input ports that allow two solar arrays to be connected for faster and more flexible charging.
- EcoFlow Delta 3 comes with a single solar input which limits solar expansion.
Winner:
EcoFlow Delta 3 Plus
|
|
Dual MPPT Controllers:
- EcoFlow Delta 3 Plus includes dual MPPT controllers that improve efficiency when using multiple solar panels in varied conditions.
- EcoFlow Delta 3 uses one MPPT controller for standard solar optimization.
Winner:
EcoFlow Delta 3 Plus
|
|
Solar Input:
- EcoFlow Delta 3 Plus supports up to 1,200W solar input that reduces charging time significantly for off-grid use.
- EcoFlow Delta 3 supports up to 600W solar input which charges at a moderate pace.
Winner:
EcoFlow Delta 3 Plus
|
|
Charging:
- EcoFlow Delta 3 Plus has 1,800W AC charging that restores full power more quickly for emergencies.
- EcoFlow Delta 3 charges at 1,200W AC which is slower but still efficient.
Winner:
EcoFlow Delta 3 Plus
|
|
USB-C PD 3.1 140W:
- EcoFlow Delta 3 Plus supports USB-C PD 3.1 140W that can directly charge high-performance laptops and power-hungry devices.
- EcoFlow Delta 3 supports USB-C up to 100W which works for standard laptops and tablets.
Winner:
EcoFlow Delta 3 Plus
|
|
28V EPR Profile:
- EcoFlow Delta 3 Plus includes a 28V EPR profile that provides compatibility with next-generation USB-C charging standards.
- EcoFlow Delta 3 does not include EPR support.
Winner:
EcoFlow Delta 3 Plus
|
|
Fast Charge:
- EcoFlow Delta 3 Plus features USB-A 36W fast charge that powers phones and accessories more quickly.
- EcoFlow Delta 3 provides USB-A charging up to 18W which is slower.
Winner:
EcoFlow Delta 3 Plus
|
|
NAS HID UPS:
- EcoFlow Delta 3 Plus supports NAS HID UPS that ensures stable backup for servers and network storage.
- EcoFlow Delta 3 includes only a basic UPS function without HID support.
Winner:
EcoFlow Delta 3 Plus
|
|
Specs at a Glance
| Feature |
EcoFlow Delta 3 Plus |
EcoFlow Delta 3 |
| Battery Capacity |
1,200Wh LFP battery |
1,200Wh LFP battery |
| Expandable Capacity |
Up to 3,600Wh with extra battery |
Up to 2,400Wh with extra battery |
| AC Output |
2,200W (3,100W surge) |
1,800W (2,700W surge) |
| Solar Input |
1,200W max (dual ports) |
600W max |
| Charging (AC) |
1,800W max |
1,200W max |
| USB-C |
140W (PD 3.1, 28V EPR) |
100W (PD 3.0) |
| USB-A |
36W fast charge |
Standard fast charge 18W |
| Total USB Output |
~316W max |
~218W max |
| Weight |
31 lbs |
28 lbs |
| Display |
Advanced LCD with more detail |
Standard LCD |
| UPS |
NAS HID UPS support |
Basic switching |
| Certification |
SGS 5-star fast charge |
Standard |
Who Should Buy What?
Buy the EcoFlow Delta 3 Plus if you:
- Want faster charging speeds for home backup or road trips.
- Need higher solar input with dual ports for off-grid setups.
- Use high-powered laptops or devices that require USB-C PD 3.1 at 140W.
- Need reliable NAS HID UPS support for servers and storage.
- Prefer future-ready features with strong certification for safety.
Check EcoFlow Delta 3 Plus Best Price
Buy the EcoFlow Delta 3 if you:
- Want a more affordable power station with good core performance.
- Do not need very high solar or USB output.
- Prefer a lighter unit for easier portability.
- Only use standard USB-C and USB-A devices.
- Need a backup solution but do not require advanced UPS support.
Check EcoFlow Delta 3 Best Price |
Winner by Category
| Category |
Winner |
| Dual Solar Input Ports |
EcoFlow Delta 3 Plus |
| Dual MPPT Controllers |
EcoFlow Delta 3 Plus |
| Solar Input |
EcoFlow Delta 3 Plus |
| Charging |
EcoFlow Delta 3 Plus |
| USB-C PD 3.1 140W |
EcoFlow Delta 3 Plus |
| 28V EPR Profile |
EcoFlow Delta 3 Plus |
| USB-A 36W Fast Charge |
EcoFlow Delta 3 Plus |
| Higher Total USB Output |
EcoFlow Delta 3 Plus |
| NAS HID UPS Support |
EcoFlow Delta 3 Plus |
| SGS 5-Star Certification |
EcoFlow Delta 3 Plus |
What They Have in Common
- Battery Technology: Both the EcoFlow Delta 3 Plus and Delta 3 use advanced LFP (LiFePO4) batteries, providing long cycle life and safer performance over years of use.
- Fast Charging: Each model supports EcoFlow’s X-Stream fast charging, allowing the units to recharge from 0–80% in just about an hour for quick turnaround during outages or travel.
- AC Output Ports: Both power stations include multiple AC outlets with pure sine wave output, ensuring compatibility and safe power delivery for sensitive electronics and appliances.
- Expandable Capacity: Each model offers the option to connect with extra batteries, giving users flexibility to scale power storage depending on their needs.
- App Control: Both support the EcoFlow app via Wi-Fi and Bluetooth, letting users monitor real-time performance, control settings, and manage firmware updates remotely.
FAQ (Quick Answers)
Does the EcoFlow Delta 3 Plus support faster laptop charging?
Yes, the Delta 3 Plus supports USB-C PD 3.1 with 140W output which can charge high-power laptops and other demanding devices. The Delta 3 only supports up to 100W.
Can both models be expanded with extra batteries?
Yes, both models allow capacity expansion with extra batteries. The Delta 3 expands up to 2,400Wh, while the Delta 3 Plus can expand further to 3,600Wh.
Which model is better for solar charging?
The Delta 3 Plus is better because it supports up to 1,200W solar input with dual ports, while the Delta 3 supports up to 600W on a single port.
Do both models have UPS functionality?
Yes, both models have UPS functionality, but the Delta 3 Plus supports NAS HID UPS for servers and network devices, while the Delta 3 only has a basic UPS.
What certifications do these models have?
The Delta 3 Plus comes with SGS 5-star fast charge certification which ensures tested safety and reliability. The Delta 3 does not include this certification.
Is there a weight difference between the two models?
Yes, the Delta 3 weighs about 28 lbs, while the Delta 3 Plus weighs about 31 lbs due to added features and higher performance components.
Do both models use the same battery type?
Yes, both models use long-lasting LFP (LiFePO4) batteries known for stability, safety, and extended cycle life.
Which one is better for users on a budget?
The Delta 3 is better for budget-conscious users who need reliable backup power without advanced features or higher solar input.
Who should choose the EcoFlow Delta 3 Plus instead?
The Delta 3 Plus is suited for users who need faster charging, stronger solar compatibility, higher USB output, and stable UPS support for sensitive equipment.
