EcoFlow Wave 2 Add-on Battery Additional battery for the EcoFlow WAVE 2

The EcoFlow WAVE 2 Add-on Battery is a 1159 Wh additional battery for the EcoFlow WAVE 2 portable air conditioner. It extends the run time of the AC up to 8 hours in Eco mode, making it ideal for camping, RV trips, and mobile use.

Technical Specifications:



Capacity: 1159 Wh (50.4 V, 23 Ah)




Battery Type: LiFePO₄




Run Time: up to 8 hours in Eco mode




Charging Time: AC ~3 h, solar panels ~4–6 h, car 12/24 V ~6 h




Cycle Life: ≥800 cycles to 80 % capacity




Protection: IP65 (dust and splash resistant)




Connection: XT150 port




Additional Ports: USB‑A up to 18 W, USB‑C up to 100 W