A new portable battery system from Mango Power features a capacity of 3.5 kWh, expandable to 28 kWh by stacking up eight systems. The new product can be used for different off-grid applications and as a residential backup solution.

A new battery system from Mango Power will be available to purchase at a special price from Indiegogo on November 23. The Mango Power Union features the “world’s first built-in dual PV inverter,” says the company.