EcoFlow Delta MAX Smart Expansion Battery | 2,016wh | 40lbs | Connect up to 2 per Delta MAX 

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The EcoFlow Delta MAX Smart Expansion Battery allows you to instantly double your battery capacity, doubling all of your run times. With 2,016wH in the smart expansion battery, you can connect up to 2 of these to any EcoFlow Delta MAX giving you over 6,048wH of battery capacity!