Portable power stations are becoming increasingly popular, and for good reason. They offer a reliable source of power for camping trips or as an emergency backup during unexpected blackouts. However, choosing the right one can be a bit tricky.
Understanding battery capacity and the different types of battery technology, such as Lithium-ion versus LiFePO4, can be challenging for some. But don’t worry, we’re here to help you navigate through these complexities.
In this article, we’ll be comparing two top-notch models: the BLUETTI EB55 and the EcoFlow RIVER 2 Pro. We aim to provide a detailed comparison to assist you in selecting the best option that suits your needs perfectly. So stay tuned as we delve into their features and specifications.
Before diving in, we recommend you check out the helpful comparison tables on the Bluetti and EcoFlow websites to get a feel for where these products sit in their line-up:
Battery Specs and Features
Battery Capacity (Wh): The BLUETTI EB55 has a capacity of 537Wh, while the EcoFlow RIVER 2 Pro boasts a higher storage at 768Wh. This spec is vital as it indicates the amount of energy each device can store, measured in watt-hours. A higher number means you can power more devices for longer periods. If your energy needs are substantial, opt for a model with greater Wh.
Battery Type: Both the BLUETTI EB55 and EcoFlow RIVER 2 Pro utilise LiFePO4 batteries. This indicates that they’re designed for safety and longevity, making them ideal for regular use or important applications. The choice of battery type suggests these units will operate reliably over a long period.
Comparatively, standard Lithium-ion batteries like NCM may offer greater energy density but potentially at the expense of lifespan. Therefore, both models appear to prioritise durability and safe operation over maximum power output. It’s clear that understanding the battery type is vital in assessing a unit’s expected performance and lifespan.
Life Cycles: The BLUETTI EB55 offers over 2,500 cycles to 80%, while the EcoFlow RIVER 2 Pro provides up to 3,000 cycles. This indicates that the EcoFlow model may have a slightly longer lifespan before its capacity reduces to 80% of its original state. Therefore, in terms of longevity and potential cost-effectiveness, the EcoFlow RIVER 2 Pro seems to edge out slightly ahead.
Expandable Capacity: Both the BLUETTI EB55 and EcoFlow RIVER 2 Pro models lack this feature. This means they don’t offer the option to connect extra batteries for increased storage capacity. It’s a bit of a letdown, especially if you’re planning on being off-grid for a while.
AC Output (W): The BLUETTI EB55 offers a maximum continuous power output of 700W from its AC outlets. On the other hand, the EcoFlow RIVER 2 Pro provides a slightly higher wattage rating at 800W. If you’re intending to operate high-powered appliances such as microwaves or power tools, the latter might be more suitable due to its superior wattage capacity. However, both models should handle most common devices without any issues.
Surge Power (W): The BLUETTI EB55 and EcoFlow RIVER 2 Pro both cater to devices requiring a high power surge at start-up. The EB55 offers a surge power of 1,400W while the RIVER 2 Pro provides slightly more at 1600W. This difference might be significant depending on the specific demands of your appliances.
Ports and Outlets
AC Outlets: The BLUETTI EB55 and EcoFlow RIVER 2 Pro differ in the number of AC outlets they offer. The former has two, while the latter provides three. This means you can power more devices at once with the EcoFlow model.
Both models operate within a similar voltage range, between 220V-240V for the BLUETTI and a flat 230V for the EcoFlow. It’s essential to ensure these figures align with your device requirements before use.
USB-A Outlets: The BLUETTI EB55 offers four outlets with a 5V, 3A spec, while the EcoFlow RIVER 2 Pro provides just one outlet at a slightly lower spec of 5V, 2.4A and maxes out at 12W. This indicates that the BLUETTI model can charge more devices simultaneously and potentially faster due to its higher amperage. The key difference here is in the number of ports and charging speed capabilities between these two models.
USB-C Outlets: Both the BLUETTI EB55 and EcoFlow RIVER 2 Pro models have a single outlet with a maximum output of 100W. This indicates that they can charge larger devices such as laptops, in addition to smartphones.
The USB-C feature is the newer standard present in both models, which further enhances their compatibility with various devices. However, there’s no mention of multiple ports for simultaneous charging on either model.
While both units share similar specs, it would be interesting to note if there are any differences in actual performance or additional features not mentioned here.
DC5521 Outlets (5.5mm): The BLUETTI EB55 offers two 12V, 10A outlets while the EcoFlow RIVER 2 Pro provides a single outlet with slightly higher voltage at 12.6V but lower amperage and wattage at 3A and max of 36W respectively. This indicates that the BLUETTI model can power more devices simultaneously, albeit potentially at a lower power level per device compared to the EcoFlow model which may deliver more power to a single device.
Other DC Outlets: Both the BLUETTI EB55 and EcoFlow RIVER 2 Pro models feature a single car outlet. This is particularly useful for charging devices that utilise car chargers or specific plugs. If you own such gadgets, this aspect should be taken into account when choosing between these two models.
AC Charging (W): The BLUETTI EB55 has a maximum power intake of 200W, while the EcoFlow RIVER 2 Pro can accept up to 870W. This suggests that the EcoFlow model may charge more rapidly due to its higher wattage acceptance. However, it’s important to weigh this against each unit’s total battery capacity for a comprehensive comparison.
DC / Car Charging: The BLUETTI EB55 and EcoFlow RIVER 2 Pro both support charging from a car or other DC source, making them handy for road trips or situations where an AC outlet isn’t accessible. The main difference lies in their maximum amperage; the BLUETTI EB55 can handle up to 8.3A, while the EcoFlow RIVER 2 Pro is capped at 8A. However, it’s worth noting that the latter has a higher overall power limit of 100W compared to its counterpart.
Solar Charging (W): The BLUETTI EB55 has a maximum wattage of 200W, while the EcoFlow RIVER 2 Pro can accept up to 220W. This difference indicates that the EcoFlow model may charge faster from solar panels, particularly useful for off-grid or emergency use.
Maximum Input (W): The BLUETTI EB55 has a 400W input capacity, accepting charge from AC+Solar or Dual AC sources. In contrast, the EcoFlow RIVER 2 Pro can handle up to 870W from all combined charging sources. This higher wattage typically leads to faster recharge times for the EcoFlow model.
Wireless Charging Pad: The BLUETTI EB55 offers a 15W max wireless charging feature, which is absent in the EcoFlow RIVER 2 Pro. This allows for convenient device charging without the need for cables, although its importance may vary based on individual needs.
Smart App Control: The EcoFlow RIVER 2 Pro offers the advantage of being controllable via a smartphone app, unlike the BLUETTI EB55. This feature provides users with handy information such as battery status and power input/output.
In terms of connectivity to the app, the EcoFlow RIVER 2 Pro utilises both Wi-Fi and Bluetooth. Unfortunately, this data is not available for the BLUETTI EB55.
Warranty: The warranty period for the BLUETTI EB55 is 2 years, while the EcoFlow RIVER 2 Pro offers a longer coverage of 5 years. This difference suggests that EcoFlow may have more confidence in their product’s longevity and reliability. However, it’s always vital to read the terms and conditions of any warranty to understand what exactly is covered.
BLUETTI EB55 vs EcoFlow RIVER 2 Pro Comparison Table
|EcoFlow RIVER 2 Pro
|Battery Capacity (Wh)
|2,500+ to 80%
|3000 cycles to 80%
|AC Output (W)
|Surge Power (W)
|2 Outlets – 220V-240V
|3 Outlets – 230V
|4 Outlets – 5V, 3A
|1 Outlet – 5V, 2.4A, 12W Max
|1 Outlet – 100W Max
|1 Outlet – 5/9/12/15/20V 5A, 100W Max
|DC5521 Outlets (5.5mm)
|2 Outlets – 12V, 10A
|1 Outlet – 12.6V, 3A, 36W Max
|Other DC Outlets
|1x Car Outlet
|1x Car Outlet
|Wireless Charging Pad
|1x 15W Max
|Solar Charging (W)
|AC Charging (W)
|DC / Car Charging
|Supports 12/24V (8.5A Max)
|12V/24V, 8A, 100W Max
|Maximum Input (W)
|400W, with AC+Solar Input or Dual AC(dual recharge)
|Smart App Control
In conclusion, both the BLUETTI EB55 and EcoFlow RIVER 2 Pro have their unique strengths. The EcoFlow RIVER 2 Pro has a higher storage capacity, slightly longer lifespan, superior wattage rating and more AC outlets. It also offers smartphone app control for easy monitoring of battery status and power input/output.
On the other hand, the BLUETTI EB55 provides more charging ports with higher amperage for potentially faster charging of multiple devices simultaneously. It’s also slightly lighter and smaller in size which may make it easier to transport or fit into tight spaces.
The choice between these two models largely depends on your specific needs. If you require a portable power station with greater energy storage, longevity and smart connectivity features, then the EcoFlow RIVER 2 Pro might be more suitable. However, if your priority is having multiple fast-charging ports in a compact and lightweight design, then the BLUETTI EB55 could be a better fit.