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Home energy storage solutions

Have you been surprised when your solar system stops working when the grid goes down?
With Otsupply new energy Solar Energy Storage, you can continue to use your solar power – even during grid outages.

Our mission is to provide compact, user-friendly, and affordable energy storage solutions using the latest
technology for all homes and businesses. Fortress solar energy storage batteries can easily integrate with new and existing PV systems. It simply works by storing clean energy and providing power when you need it.


Provide power during grid outages

Lower your electrical bill by avoiding having to buy electricity at peak times

Enjoy a 26% investment tax credit when incorporating
with solar

Increase your independence from the utility grid