As demand for portable power stations continues to rise, Bluetti and EcoFlow remain two of the most well-respected brands in the industry. The Bluetti AC70 vs EcoFlow Delta 2 are two compact yet powerful portable power stations designed for camping, outdoor adventures, emergency backup, and off-grid applications. Each model comes with unique advantages, including fast charging, high efficiency, and multiple output options.
This detailed comparison will explore their battery capacity, power output, recharging speed, portability, and overall performance to determine which power station is the best choice for your needs.
Contents
Differences Bluetti AC70 vs EcoFlow Delta 2
Below is a summary of the specifications:
Battery Capacity and Expandability
Battery capacity directly determines how long a power station can run appliances before needing a recharge.
The Bluetti AC70 features a 768Wh battery, making it a suitable choice for shorter trips or light power needs. It can run smaller devices like laptops, smartphones, and LED lights for extended periods but may struggle with high-energy appliances like power tools and microwaves.
The EcoFlow Delta 2, on the other hand, offers 1,024Wh of battery capacity, giving it significantly more runtime. Additionally, the Delta 2 is expandable with extra battery modules, allowing users to increase its capacity for extended off-grid power.
Winner: EcoFlow Delta 2
With a larger battery capacity and expandability, the Delta 2 is the better option for users needing more power.
Power Output and Device Compatibility
A power station’s output wattage determines which devices it can power efficiently.
The Bluetti AC70 has 1,000W of continuous output and a 2,000W surge capacity, making it ideal for charging electronics, small kitchen appliances, and CPAP machines. However, it may struggle with high-power devices like refrigerators or heavy-duty tools.
The EcoFlow Delta 2, in contrast, offers 1,800W continuous output with a 2,700W surge capacity, allowing it to power larger appliances like refrigerators, coffee makers, and even some power tools. Additionally, it provides six AC outlets, whereas the Bluetti AC70 only has two.
Winner: EcoFlow Delta 2
With higher power output and more AC outlets, the Delta 2 is the better choice for running multiple devices simultaneously.
Charging Speed and Solar Input
Fast charging is essential for ensuring minimal downtime when recharging a portable power station.
The Bluetti AC70 supports up to 500W of solar input and charges at 950W via AC, reaching 80% in around 45 minutes and fully charged in 1.5 hours.
The EcoFlow Delta 2 also supports 500W of solar input, but it charges faster via AC power (1,200W input), allowing it to reach 80% in about 50 minutes and full charge in 1.6 hours.
Winner: Tie
Both power stations offer fast charging and identical solar input capacity.
Portability and Weight
Portability is a key factor for campers, RV travelers, and outdoor enthusiasts.
The Bluetti AC70, at 22 lbs (10 kg), is lighter and easier to carry, making it an excellent choice for mobile applications. The EcoFlow Delta 2 weighs 27 lbs (12 kg), making it less portable but still manageable.
Winner: Bluetti AC70
For portability and ease of transport, the AC70 is the lighter and more convenient choice.
Durability and Battery Lifespan
Both models use LiFePO₄ (LFP) battery technology, ensuring long-lasting performance with over 3,000 charge cycles before capacity degrades to 80%.
Winner: Tie
Both power stations offer excellent durability and longevity.
Quick Rundown Of Bluetti AC70
Quick Rundown Of EcoFlow Delta 2
Conclusion
The EcoFlow Delta 2 is the clear winner for users needing more battery capacity, higher power output, and expandability. It is perfect for home backup, RV owners, and users with moderate to high power needs.
The Bluetti AC70, however, is the better choice for lightweight applications, casual camping, and users looking for a budget-friendly power station.
Final Recommendation
- Choose the EcoFlow Delta 2 if you need higher power output, longer battery runtime, and expandable capacity.
- Choose the Bluetti AC70 if you prioritize portability, affordability, and a lightweight design for short trips.
For versatility and performance, the EcoFlow Delta 2 is the superior choice.