- DOUBLE CAPACITY FROM 2016Wh to 4032Wh The DELTA Max Extra Battery attaches to the DELTA Max to double the capacity of the unit from 2016Wh to 4032Wh. This provides a cost-effective way to upgrade the DELTA Max's capacity.
EcoFlow DELTA Max Extra Battery
We have a no-questions-asked return policy within 30 days for items that are unused and in good enough condition to be re-sold. Buyer must pay shipping, except on defective items. After 30 days a 15% restocking fee will be applied.