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.
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
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
All orders are shipped free of charge and are not subject to sales tax.
Business days are Monday through Friday. Holidays, Saturday and Sunday are not included in shipping days.
Shipping process: A newly placed order usually takes 48 hours to be processed/shipped and will be delivered to you approximately 1 to 5 business day after an order has shipped, with most packages arriving within 3 business days. For example, an order made on Monday night will be shipped on Wednesday morning and would arrive about 3 business day later.
Our policy lasts 30 days in most case. Some of our brands are offering 60 days, please refer to the product page. If 30 (or 60 in special cases) days have gone by since your purchase, unfortunately, we can’t offer you a refund or exchange.
To be eligible for a 100% refund, your item must be in the same condition that you received it. It must also be in the original packaging.
In the case you used the product and you would like to return it, you will be responsible for the shipping fee and a restocking fee might apply.
In the rare case that a product becomes faulty or a buyer receives a product with defects, buyers are entitled to request for a product replacement within 30 days of receiving the item. To request a replacement, buyers are required to provide photo/video evidence of the product's manufacturing defects via email