Adds an extra charging and recharging optionMore possibilities, more flexibilityLooking to charge more devices or conveniently power your RIVER 3 Plus via USB-C? Adding this extra battery expands its capacity and significantly enhances its versatility with an extra 140W USB-C port, offering the RIVER 3 Plus a new charging and recharging option. With the USB-C port, the Extra Battery also provides the freedom to use it independently.Hassle-free connectionPlug-and-play within secondsUtilizing Pogo Pin tech, the batteries connect wirelessly, fastening easily with clips instead of cables or screws.Lightweight at only 7.7 lb Use the extra battery independently to lighten your loadWeighing just 7.7 lb, the EB300 is lighter than the RIVER 3 Plus. It is lightweight, with a compact design and USB-C input and output port, making the extra battery highly convenient for on-the-go use. The Extra Battery offers the perfect solution for short outdoor trips with minimal devices to expand your possibilities.10-year lifespan with an LFP batteryA one-time investment that lasts for 10 yearsThe Extra Battery features the same LPF battery technology and offers a 5-year warranty, just like the RIVER 3 Plus. This ensures worry-free usage for up to 10 years, giving you peace of mind and long-lasting performance.Specs River 3 Plus 600wh Extra BatteryCapacity572WhDimensions9.2 x 8.8 x 6.2 inNet Weight12.8 lbBattery Chemistry LiFePO4, 3000 cycles to 80% capacityUSB-C Output1 port, 5V/9V/12V/15V⎓3A Max, 20V/28V⎓5A Max, 140W MaxUSB-C Input5V/9V/12V/15V⎓3A Max, 20V/28V⎓5A Max, 140W Max