Additional battery for Ecoflow River 3 Plus charging station - 572 Wh
Increase your energy storage: Add 572 Wh of energy storage to RIVER 3 Plus to get 858 Wh, which is perfect for increasing energy storage outdoors or in the event of a power cut.
Run a car fridge for 10.8 hours or a travel kettle for 1 hour. Thanks to a simple pin connection, stack the extra battery in seconds, without additional cables or screws.
Independent use
Lighten your load and use the extra battery on its own without RIVER 3 Plus. Use its 140 W USB-C port to charge small devices and recharge the battery when you're on the move.
10 years of daily use
Thanks to LFP battery chemistry, the battery lasts 6× longer than the industry average. Thanks to exclusive X-Guard technology, the extra battery is protected by real-time monitoring and 40 protection functions, including overheating and short-circuit protection.
Robust and reliable
The IP65 waterproof rating protects against splashing water, making it perfect for outdoor use. Designed to withstand extreme heat thanks to a UL 94V-0 listed casing, it has been rigorously tested to withstand drops from 3.3 feet without damaging the battery.
3 charging methods
Charge the RIVER 3 Plus's extra battery directly via its integrated USB-C port. Connect the RIVER 3 Plus to charge using solar power, a mains socket or by using your car in as little as 1.5 h.