Features

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.

More watt-hours at home

The Extra Battery can be integrated to your home’s wiring when connected to DELTA Pro. These battery units become part of your home’s peak shaving and emergency power solutions.

Specifications

• Model Name: DELTA Pro Smart Extra Battery
• Capacity: 3600Wh
• Battery Chemistry: LFP
• Battery Cycle Life: 6,500 cycles to 50% capacity, 3,500 cycles to 80% capacity
• Shelf Life: 1 year (after a full charge)
• Dimensions: 63.5 x 28.5 x 41.6 cm
• Weight: 38kg
• Warranty: 24 months

What's In The Box

• 1 x Battery