With the EcoFlow RIVER 3 Plus Smart Extra Battery EB300, you can easily expand the capacity of your RIVER 3 Plus from 286 Wh to 572 Wh. This allows you to power your devices for longer, making it perfect for a weekend of camping or a day of off-grid work. Thanks to the innovative Pogo Pin technology, the battery connects wirelessly, eliminating the need for loose cables or screws. The extra battery is easy to attach with clips, giving you additional power in just minutes.