The EcoFlow RIVER 3 Plus Smart Extra Battery EB300 (286Wh) doubles the capacity of the RIVER 3 Plus from 286 to 572Wh. The battery connects wirelessly and is easily attached with clips instead of cables and screws. Add an extra battery to your River 3 Plus to charge and recharge at 140W via USB-C and use it independently. Built to last 6x longer, you can use it daily for 10 years until it reaches 80% of its original capacity. 

Features:

• Expand Your Energy Storage: Add an extra 286Wh of energy storage to RIVER 3 Plus for 572Wh, perfect for increasing energy storage for outdoors or power outages. Run a car fridge for 7.2 hours or travel kettle for 42 min. With a simple pogo pin connection, stack the extra battery in seconds without extra cables or screws.
• Use Independently: Lighten your load and use the extra battery on its own without RIVER 3 Plus. Use its 140W USB-C port for charging small devices and recharging the battery when you're on the go.
• 10 Years of Daily Use: With LFP battery chemistry, the battery pack has a 6× longer life than the industry average. Using exclusive X-Guard, the extra battery is protected with real-time monitoring and 40 protective features including overheating and short circuit.
• Robust & Reliable: IP65 waterproof rating protects against water splashes, making it perfect for outdoor use. Designed to withstand extreme heat with a UL 94V-0-rated casing and has been rigorously drop tested up to 3.3 ft without damaging the battery.
• 3 Charging Methods: Charge the RIVER 3 Plus Extra Battery directly using its built-in USB-C port. Connect to the RIVER 3 Plus to charge using solar, AC outlet or by using your car in as fast as 1.5 hr.
• Warranty: 1 Year

Specifications:

• Product Dimensions: 9.2 x 8.8 x 4.3 inches
• Item Model Number: EB300
• What's in the box: 1x Ecoflow River 3 EB300 Extra Battery,1x manual