ECOFLOW EFB300 Key Specifications
- Product Type: Smart Extra Battery
- Model: EB300
- Battery Capacity: 286Wh
- Battery Chemistry: LiFePO4 (LFP)
- Rated Voltage: 22.4V
- Rated Capacity: 12.8Ah
- USB-C Input: Up to 140W
- USB-C Output: Up to 140W
- RIVER 3 Plus Expansion: Yes
- Expandable System Capacity: Up to 858Wh with RIVER 3 Plus and EB600/EB300 configurations
- Cycle Life: 3,000 cycles to 80%+ capacity
- Weight: Approximately 3.5kg
- Dimensions: Approximately 234 × 224 × 110mm
- Operating Temperature: -10°C to 45°C
- Charging Temperature: 0°C to 45°C
- Connectivity to RIVER 3 Plus: Direct expansion connection
ECOFLOW EFB300 Overview
The ECOFLOW EFB300 is the RIVER 3 Plus Smart Extra Battery EB300, designed to expand the energy storage capacity of the EcoFlow RIVER 3 Plus portable power station. EcoFlow specifies a 286Wh LiFePO4 battery, allowing users to extend runtime without replacing the main power station.
The EB300 can also be used independently through its 140W USB-C input/output port, making it useful as a compact portable battery for compatible USB-C devices. When connected to the RIVER 3 Plus, the battery attaches directly using EcoFlow's expansion connection system.
ECOFLOW EFB300 Price in Kenya
| Product | Price (KSh) |
|---|---|
| ECOFLOW EFB300 | 28,000 |
ECOFLOW EFB300 Full Specifications
| Specification | Details |
| Brand | EcoFlow |
| Model | EB300 |
| Product Type | Smart Extra Battery |
| Battery Capacity | 286Wh |
| Battery Chemistry | LiFePO4 (LFP) |
| Rated Voltage | 22.4V |
| Rated Capacity | 12.8Ah |
| USB-C Input | 140W Max |
| USB-C Output | 140W Max |
| Extra Battery Input | 17.5–25.5V, 14A Max |
| Extra Battery Output | 17.5–25.5V, 33A Max |
| Cycle Life | 3,000 cycles to 80%+ capacity |
| Weight | Approx. 3.5kg |
| Dimensions | Approx. 234 × 224 × 110mm |
| Charge Temperature | 0°C to 45°C |
| Discharge Temperature | -10°C to 45°C |
| Storage Temperature | -10°C to 45°C |
| Battery Protection | Over-voltage, overload, over-temperature, short-circuit, low-temperature, low-voltage and over-current protection |
EcoFlow's current manual identifies the EB300 as a 286Wh, 12.8Ah LFP battery with a 140W USB-C port and approximately 3.5kg weight.
ECOFLOW EFB300 Design and Build Quality
- Compact portable battery design.
- Approximately 3.5kg.
- Measures approximately 234 × 224 × 110mm.
- Designed to stack and connect with the RIVER 3 Plus.
- Integrated connection mechanism for quick expansion.
- Compact enough for transportation and outdoor use.
- LFP battery construction designed for long-term use.
ECOFLOW EFB300 Smart Features
- Smart expansion for RIVER 3 Plus.
- Plug-and-play connection.
- Independent USB-C operation.
- Battery monitoring through the connected RIVER 3 Plus system.
- LFP battery technology.
- Built-in battery management system.
- Multiple electrical and temperature protections.
- Supports up to 140W USB-C charging and output.
ECOFLOW EFB300 Performance
- Adds 286Wh of battery capacity to a compatible RIVER 3 Plus system.
- Provides up to 140W USB-C output.
- Supports up to 140W USB-C input.
- Uses LiFePO4 battery technology.
- Rated for approximately 3,000 cycles while retaining 80%+ capacity.
- Can operate independently for compatible USB-C devices.
- Helps extend the operating time of the connected RIVER 3 Plus.
ECOFLOW EFB300 Connectivity
- USB-C input
- USB-C output
- RIVER 3 Plus expansion connection
- Direct battery connection system
ECOFLOW EFB300 Compatibility
- EcoFlow RIVER 3 Plus
- USB-C compatible laptops
- Smartphones
- Tablets
- Cameras
- Portable monitors
- USB-C accessories
- Other compatible USB-C devices
The EB300 is specifically designed as a smart extra battery for the RIVER 3 Plus. EcoFlow also lists the EB600 as an alternative expansion battery for the same platform.
ECOFLOW EFB300 Ideal Use Cases
- Expanding RIVER 3 Plus battery capacity
- Home backup
- Camping
- Outdoor activities
- Travel
- Photography
- Video production
- Mobile work
- USB-C device charging
- Emergency power
- Longer portable power sessions
ECOFLOW EFB300 Pros & Cons
| Pros | Cons |
| 286Wh additional capacity | Designed primarily for RIVER 3 Plus expansion |
| LiFePO4 battery chemistry | Does not provide AC outlets by itself |
| 140W USB-C input/output | Limited compared with larger power stations |
| 3,000-cycle rating | |
| Compact and lightweight | |
| Can operate independently through USB-C | |
| Easy expansion connection | |
| Suitable for travel and outdoor use | |
| Multiple built-in protections |
ECOFLOW EFB300 FAQs
1. What is the capacity of the ECOFLOW EFB300?
The EB300 has a published battery capacity of 286Wh.
2. Which EcoFlow power station is it designed for?
The EB300 is designed to expand the EcoFlow RIVER 3 Plus.
3. What type of battery does it use?
It uses a LiFePO4 (LFP) battery.
4. Does the EB300 have USB-C?
Yes. It has a USB-C port supporting up to 140W input and 140W output.
5. Can the EB300 be used independently?
Yes. Its USB-C port allows the battery to be used independently with compatible USB-C devices.
6. How many cycles is the battery rated for?
The EB300 is rated for approximately 3,000 cycles while retaining 80% or more capacity.
7. How much does the EB300 weigh?
It weighs approximately 3.5kg.
ECOFLOW EFB300 Conclusion
The ECOFLOW EFB300 is a compact 286Wh LiFePO4 Smart Extra Battery designed to expand the EcoFlow RIVER 3 Plus. With 140W USB-C input/output, approximately 3,000 battery cycles, compact dimensions and a weight of around 3.5kg, it provides additional runtime while remaining portable. At KSh 28,000, it is a practical expansion accessory for users who want longer operating time from a compatible RIVER 3 Plus system.
| Shipping Cost |
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| Shop Location | Kenya |
