• DOUBLE OR TRIPLE CAPACITY FROM 3,600Wh to 10,800Wh. The DELTA PRO Smart Extra Battery attaches to the DELTA PRO to double or triple its capacity from 3,600Wh to 10,800Wh. This provides a cost-effective way to upgrade the DELTA PRO's capabilities. 
  • CHARGE ANYTIME, ANYWHERE. DELTA PRO's Smart Extra Battery benefits from all the charging methods DELTA PRO has, that means you can charge anytime, anywhere as long as your extra battery is connected to DELTA PRO. Once connected, thay'll charge/discharge in unison, keeping the battery percent vevel across both units. 
  • STAY INFORMED. The Smart Extra Battery has a bright LCD screen on the front of the unit giving you all the info you need. Output, input, remaining charge and time remaining. 
  • POWER A WIDE RANGE OF APPLIANCES Powerful 3600W AC Output to meet 99.99% power needs. 
  • BACKUP YOUR ENTIRE HOME. DELTA PRO is an upgrade version of DELTA with higher capacity level and expandable feature. With short switch-over EPS and up two 3600Wh Smart Extra Battery supported, it can truly backup your entire home and eliminate the impacts of blackout. The DELTA PRO + Smart Extra Battery can easily fit in a car boot, on a campsite, or indoors, giving you the power to take your adventure anywhere.

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