| The EcoFlow DELTA Max Smart Extra Battery Cover maintains the Smart Extra Batterys' ease of use while protecting it from water, debris and damage while on the move.. Highlights. 1. Made from lightweight, waterproof, and wear-resistant material that protects DELTA Max Extra Battery from weathering or on-the-go knocks and scrapes.2. Designed to protect while ensuring easy access to the machine itself.. In the BoxDELTA Max Smart Extra Battery Cover | |
