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Check local voltage, plug, installation, and product-certification requirements before ordering. We confirm compatibility and availability for your destination before payment.
Combining a DELTA Pro with a DELTA Pro Smart Extra Battery doubles the portable home battery's storage. It is aimed at home backup and off-grid users who need to run heavy-duty appliances.
Planning a system? Read our guide: How to size a battery backup system for your home.
Well suited to home backup with the Smart Home Panel, or extended off-grid use.
The portable home battery: DELTA Pro supports a 3.6kWh capacity that can be expanded all the way to 25kWh. The kicker? You can integrate it directly with your home circuits via the Smart Home Panel. Ideal for home backup. Power pretty much anything: DELTA Pro leads the industry when it comes to AC output. With 3600W you’ve got a portable generator that can power heavy-duty appliances such as dryers, AC units & more. Need even more power? Pair two units together to hit a massive 7200W. Learn more about DELTA Pro >> Expandable capacity This add-on battery connects with a DELTA Pro to double total capacity to 7200Wh. Connect two of them to DELTA Pro for a staggering 10.8kWh to use off-grid. Convenient recharging Recharging from solar panels, AC outlets, EV charging stations, or our Smart Generator is easy. Plug the Extra Battery into DELTA Pro and they will recharge and discharge in tandem. Learn more about DELTA Pro Smart Extra Battery >>
Warranty terms mentioned in this description are the manufacturer’s. Our own coverage is the 30-day limited warranty.
We confirm compatibility, installation requirements, and delivery details with you during order review, before any payment. Home electrical work may require a qualified installer.
Our team can help you plan a DELTA Pro system with the right number of extra batteries. Message our team on WhatsApp.
EcoFlow
This listing is the UL9540 certificated version of the EcoFlow DELTA Pro 3, as named by the product title. It provides 120V and 240V output with up to 4000W and expands from 4 to 48kWh for extended home backup.
$2,239.20
EcoFlow
Built on the DELTA Pro 3, this solar generator provides 120V and 240V output with up to 4000W and expands from 4 to 48kWh. It is aimed at homeowners planning solar-backed backup for outages lasting days.
$2,239.20
EcoFlow
Pairing the GLACIER portable refrigerator with the DELTA 2 Max power station, this bundle keeps food cold for extended trips or outages. EcoFlow rates the pair for up to 7 days of cooling.
$2,239.20
EcoFlow
Pairing the DELTA Pro with EcoFlow's 400W Portable Solar Panel, this solar generator listing is built for home backup that can recharge from the sun. It suits homeowners who want an outage plan that does not depend on fuel.
$1,919.20