Anker SOLIX vs EcoFlow DELTA 2 Max
We compare the Anker SOLIX and the EcoFlow DELTA 2 Max across every dimension that matters - our scores, the key specs, and how each performs on the things you will actually notice day to day.
At a glance
| Anker SOLIX | EcoFlow DELTA 2 Max | |
|---|---|---|
| Our score | 8.4/10 | 7.4/10 |
| Best for | Home backup, caravans and running larger appliances | Camping, day trips and powering essentials during outages |
| Not ideal for | Whole-home backup without a much larger system | Whole-home backup without a much larger system |
| Brand | Anker | EcoFlow |
Capacity and What It Powers
Anker SOLIX
With 2048Wh of capacity, this portable power station 2 is built for running essential appliances for stretches of time rather than whole-home backup. As the Anker power station, it has enough energy to support a fridge nonstop for 30.5 hours, which is useful for outages and storage. The LiFePO4 battery is designed for a long service life, and typical use can cover many cycles, although the exact runtime depends on the load. For higher-demand items, it can deliver 2,400W rated power and 4,000W peaks, but sustained use at that level will reduce runtime.
EcoFlow DELTA 2 Max
Capacity is a key factor in how this portable power station fits into home backup or on-site power, because it can be expanded from 2 kWh to 6 kWh using up to two extra batteries. As a power station, it is designed to run household loads rather than just small electronics. The EcoFlow states it can power "pretty much any" household devices with up to 2400 W, and in power mode it can handle up to 3100 W. That higher-output range supports demanding loads during outages, but heavier usage draws on the available capacity faster, so runtime depends on what is being run and for how long.
Output and Ports
Anker SOLIX
Output and ports on the SOLIX C2000 Gen 2 focus on supporting demanding AC loads while still covering day-to-day essentials. It is rated for 2,400W output with a 4,000W surge peak, which provides headroom for high-start equipment such as RV A/C units. The portable power station review highlights that reserve as a key advantage. Day-to-day device use is handled via its inverter output, and buyers can compare port layouts through The Anker listings.
EcoFlow DELTA 2 Max
Output and ports determine how well the portable power station can power different devices once the battery capacity is set. The unit is rated for up to 3100W via an output mode, while 2400W can run "pretty much any" household appliances. It includes 13 outlets, allowing multiple devices to be connected at once without swapping power leads. For high-demand loads, device requirements should be matched to the stated wattage limits to keep performance within specification.
Recharging and Solar
Anker SOLIX
Recharging is one of the more practical areas of the portable power station 2, because it supports several ways to refill the 2048Wh battery depending on where it is being used. In the UK, buyers can choose AC charging, which reaches full charge in 58 minutes. On the road, the 800W alternator input reaches 100% in 2.6 hours. For off-grid use, the portable power station can use solar and dual input charging, although the solar refill time depends on available light. This flexibility is useful, but it can make planning harder.
EcoFlow DELTA 2 Max
With recharging, the EcoFlow supports fast top-ups using either AC or solar input, with recharge speeds governed by the stated recharge ratings. With AC input up to 2300W, it can charge from 0 to 100% in 81 minutes, or as fast as 1 hour when dual charging is supported. For solar use, it operates as the portable power station solar generator, taking solar input and pairing with AC for faster recovery, making it a contender in the best portable power station UK category, although solar charging speed depends on the available sunlight.
Battery Type and Lifespan
Anker SOLIX
The Anker SOLIX C2000 Gen 2 uses LiFePO4 (lithium iron phosphate) battery chemistry, which is associated with a long service life. In the Anker portable power station review context, the manufacturer lists a typical cycle life of 3000+ cycles, supporting frequent use. Battery capacity is 2048Wh, and lifespan is also affected by how deeply the unit is drained each cycle, not by chemistry alone. The portable power station pros and cons include strong durability, but battery longevity still depends on charging behaviour and avoiding unnecessary deep discharge. Battery lifespan expectations are clear from the stated cycle life.
EcoFlow DELTA 2 Max
The EcoFlow DELTA 2 Max uses a LiFePO4 (lithium iron phosphate) battery, selected for a longer service life compared with many other portable power station battery types. In EcoFlow 2026 units, the battery is rated for 3,000 100% charging cycles until capacity drops to 80%. That cycling rating is stated alongside an extended 5-year warranty for added confidence. Actual battery life depends on charging frequency, depth of discharge, and operating conditions, so results vary by use.
Portability and Build
Anker SOLIX
Portability is one of the more practical strengths of the Anker 2, weighing 18.9 kg and measuring 45.9 x 25 x 25.7 cm (L x W x H). The manufacturer says this makes it 25% lighter and 29% smaller than comparable 2 kWh power stations, so the portable power station is easier to carry solo for RV setups and simpler to store at home. Its compact footprint suits travel and quick move days, although comfortable lifting still requires two hands. In this portable power station vs other larger units comparison, the build volume appears significantly reduced.
EcoFlow DELTA 2 Max
Thanks to its compact, suitcase-like size, the EcoFlow is easier to move between rooms or load into a vehicle alongside larger home-battery setups, although it remains a heavy unit overall. It measures 24.2 L x 30.5 W x 49.7 H cm and weighs 23 kg, so two people may be needed for stairs or tight routes. Its LiFePO4 battery pack is designed for long service, and the rigid build helps protect internal components during everyday transport. For buyers looking for the portable power station cheapest option, it can also be used as a portable power station for camping.
Who Is This Power Station For?
Anker SOLIX
Who should consider the Anker 2, and who might find it less suitable? This power station is aimed at people who want portable off-grid power for camping and backup use, with easy solo handling thanks to its 18.9 kg weight and 460 x 249 x 257 mm size. It is also suited to higher-demand devices because it offers a 2,400 W rated output and a 4,000 W peak draw. The key limitation for very small budgets is that it is still a 2 kWh-class unit, so it may be less suitable if you need more capacity without adding extra battery options or upgrading to a larger system.
EcoFlow DELTA 2 Max
The EcoFlow suits buyers who want a portable power station for home backup and essentials power, with the option to move it during outages, camping trips, or job sites when conditions allow. At 23 kg and 24.2L x 30.5W x 49.7H cm, it is designed to be transportable, while still offering high-capacity backup through its expandable storage from 2kWh up to 6kWh. It supports powering many appliances at once, with a rated output of up to 2400W and up to 3100W in surge mode. For anyone asking whether it is any good for flexible backup planning, it is a strong fit for moderate whole-home-style requirements where a compact unit and expandable capacity are priorities.
Anker SOLIX: pros
- 2048Wh capacity
- 2400W rated output (4000W surge peak)
- Long-life LiFePO4 battery
- Quiet, fume-free portable power
Cons
- Solar panel usually sold separately
- Not a substitute for whole-home backup
EcoFlow DELTA 2 Max: pros
- 3100W rated output
- Long-life LiFePO4 battery
- Recharges from mains, car or solar
- Quiet, fume-free portable power
Cons
- Battery capacity not clearly stated - confirm before buying
- Solar panel usually sold separately
- Not a substitute for whole-home backup
Our verdict
Our pick is the Anker SOLIX (our score 8.4/10) - A practical portable power station with 2048Wh capacity and long-life LiFePO4 cells, best matched to the device wattages and runtime you actually need. The EcoFlow DELTA 2 Max is still worth it if it is cheaper when you check, or if it better matches your specific needs.