Product Description EcoFlow RIVER 3 Plus Smart Extra Battery – EB300 Expand your portable power capacity with the EcoFlow RIVER 3 Plus Smart Extra Battery (EB300) — a high-performance, modular lithium battery designed to seamlessly integrate with the RIVER 3 and RIVER 3 Plus systems. Whether you’re powering tools on site, running essential devices on a remote job, or keeping critical systems online during outages, the EB300 delivers reliable energy with smart safety features and flexible deployment options. Key Features Intelligent Expansion Power Adds 288 Wh of additional capacity to compatible EcoFlow RIVER 3 and RIVER 3 Plus units Scales easily for greater runtime — connect up to two EB300 units in parallel for expanded energy reserves ⚡ Smart Battery Management System (BMS) Advanced BMS optimises cell health, ensures balanced charging/discharging, and protects against over-current, over-voltage, overheating, and short circuits Real-time monitoring of battery status via EcoFlow app (Bluetooth/Wi-Fi connected) Seamless Integration & Workflow Designed to attach directly to RIVER 3 / RIVER 3 Plus power stations without additional adaptors Automatically recognised when connected — no manual configuration required Maintains full compatibility with EcoFlow load sharing, pass-through charging, and fast recharge technologies ⚙️ Modular & Portable Lightweight and compact for easy transport to worksites, camps, vehicles, or emergency kits Stackable design supports orderly storage and deployment Eco-Friendly Design Uses lithium-ion technology for high energy density with reduced environmental impact Low self-discharge rate for long-term standby readiness Typical Use Cases Extended runtimes for RIVER 3 / RIVER 3 Plus during field operations or off-grid work Emergency backup for power outages at home or business Camping & outdoor adventures where extended power is needed for lighting, communication devices, small appliances Commercial tools or equipment requiring predictable, portable energy Technical Specifications Specification Details Model EB300 Smart Extra Battery Capacity 288 Wh Chemistry Lithium-ion Integration Plug-in expansion for RIVER 3 / RIVER 3 Plus Max Parallel Units Up to 2 additional batteries Monitoring EcoFlow App (Bluetooth/Wi-Fi) Dimensions (specify if required) Weight (specify if required) Safety BMS with multi-protection Note: For full runtime estimates, device load profiling and solar recharge options, consult the EcoFlow app or technical data sheet. What’s in the Box EB300 Smart Extra Battery Quick-start guide Safety instructions
