EcoFlow River 3 Plus Smart Extra Battery

The EcoFlow River 3 Extra Battery is available in two cable-free versions—286Wh (EB300) and 572Wh (EB600)—which expand the RIVER 3 or RIVER 3 Plus capacity up to 858Wh. Featuring a wireless Pogo Pin connection for quick, cable-free installation, both batteries include 140W USB-C input/output for fast, efficient charging and can also be used independently as portable power units. The EB300 offers a compact, lightweight solution for travel and light power needs, while the EB600 provides greater capacity for extended runtime, making it ideal for off-grid adventures, home backup, or professional use. Together, they deliver versatile, reliable, and convenient energy solutions that adapt to your lifestyle.