Dyness
Inverter-agnostic, CEC-approved and built for Australian conditions. Off The Grid supplies, installs and supports the Dyness Cygni & Powerbox for homes and businesses that want reliable storage without locking into a single brand ecosystem.
All-in-one storage, with room to retrofit

Dyness has been building energy storage systems since 2017, growing to serve over 500,000 users across more than 100 countries. Their flagship Cygni Series pairs an 8kW or 10kW hybrid inverter with stackable, wiring-free battery modules in one all-in-one unit, built for new solar installs and retrofits alike.
For homes and sites that already have an inverter they're happy with, the modular Powerbox range adds storage without replacing it, compatible with major hybrid inverter brands including GoodWe, Solis, Growatt, Victron and Deye. Off The Grid specifies Dyness across both ranges, matching Cygni or Powerbox to the site rather than defaulting to one system.
Why Dyness?
Dyness doesn't lead with marketing claims, it leads with cycle life, chemistry and warranty. LFP chemistry, up to 95% depth of discharge, 6,000-plus cycle rating and a 10-year product and performance warranty run across the range, from the all-in-one Cygni through to the modular Powerbox.
That combination means a long usable life, predictable degradation and a strong throughput guarantee backing the investment. Cygni's wiring-free stack design runs from a single 7.68kWh base up to 15.36kWh and beyond with additional modules, sizing precisely for what's needed today. For sites that already have a hybrid inverter in place, Powerbox delivers that same modular expansion without replacing what's there.


Reliable home storage without the ecosystem lock-in
Dyness suits homeowners who already have solar infrastructure in place, or who want storage that integrates cleanly with a wider choice of inverter brands. Here's what we deliver.
Use more of your solar and pay less for power
We configure Dyness Powerbox to capture your surplus solar generation and shift it to the hours when your household actually needs it:
- Stores daytime solar surplus and discharges automatically during evening peak tariff windows, reducing what you buy from the grid
- Up to 95% depth of discharge means you access nearly all of the stored capacity, not a fraction of the nameplate figure
- Cygni's 200% PV oversizing across 3 MPPT inputs captures more generation from panels facing different directions, even on overcast days
- Already have a hybrid inverter you're happy with? Powerbox modules add storage capacity without replacing it
- CEC-approved for federal and state rebate eligibility, improving the economics of the investment from day one
Your solar investment works harder and your evening bills reduce, whether that's a single all-in-one Cygni unit or Powerbox modules added to your existing setup. See how Dyness fits into a complete home solar system.
Keep essentials running when the grid goes down
Dyness provides UPS-style backup for the loads that matter most during a grid outage:
- Cygni's built-in UPS function switches to backup power in under 10 milliseconds, keeping lighting, refrigeration, Wi-Fi and key power points running when the grid fails
- Powerbox delivers the same backup protection for homes retrofitting storage onto an existing inverter
- LFP chemistry across both ranges delivers stable, safe operation with significantly lower thermal risk than other lithium chemistries
- IP66-rated (Cygni) and IP65-rated (Powerbox) enclosures suit indoor or outdoor installation, garages, external walls or covered areas
- 6,000-plus cycle rating across the range means the battery keeps performing through years of regular backup and daily cycling
When the grid goes down, your essentials stay on, whichever Dyness system suits your home. See our full home solar battery offering.
Scalable commercial storage that fits existing infrastructure
Dyness suits small to medium commercial sites where inverter compatibility, cost-effective scaling and proven LFP reliability are the priority. Here's what we deliver for businesses.
Reduce peak demand costs and improve solar ROI
We size Dyness Powerbox systems to match your commercial load profile and discharge schedule to the tariff windows that drive your highest costs:
- Discharges during peak demand intervals to reduce demand charges and shift consumption away from your most expensive billing periods
- High depth of discharge maximises the usable capacity of each unit, improving the economics of the storage investment
- Scales from a single 10.24kWh Powerbox unit up to 256kWh across 50 parallel units - suited to a wide range of commercial site sizes
- Integrates with commercial hybrid inverters via CAN/RS485 communication, working alongside existing solar infrastructure without requiring a system overhaul
- Stores surplus daytime PV for evening operations, improving solar self-consumption and reducing low-value grid export
Your demand charges reduce, your solar ROI improves, and the system integrates cleanly with the infrastructure you already have. See our full commercial solar battery offering.
Protect operations and expand capacity as you grow
Dyness Powerbox's modular architecture and inverter-agnostic design make it a practical long-term storage platform for growing commercial sites:
- UPS functionality keeps critical loads including servers, refrigeration, POS and HVAC running during grid faults or maintenance windows
- Overload capacity handles motor starts and surges common in light industrial, cold storage and pumping applications
- Add Powerbox units as loads grow, EV fleet charging is introduced, or additional tenancies come on board - no system overhaul required
- IP65 enclosures for indoor or outdoor installation, with thermal management suited to Australian commercial environments
- Our commercial electricians manage all switchboard integration, grid connection compliance and commissioning end-to-end
Your backup protection is in place from day one, and your storage capacity grows alongside your operations without a platform change. See how storage integrates with a commercial solar system.

Only the best brands.

The right storage, in the right configuration
We match Dyness to sites where it genuinely makes sense
Dyness's inverter-agnostic compatibility is a real advantage for retrofit installations and mixed-brand sites - but only when the integration is set up correctly. We assess your existing infrastructure before recommending a coupling approach and inverter pairing.
We handle installation from switchboard to commissioning.
Battery storage retrofit work involves more than connecting modules - switchboard assessment, communication configuration and compliance sign-off all need to be managed properly. Our accredited installers take care of every step.
We support the system after installation.
Ongoing monitoring and direct access to our team means issues are identified and resolved before they affect your home or business - not after a support ticket has sat in a queue.

Good storage starts with the right specification.
Get a no-obligation assessment from an Off The Grid specialist - we'll confirm whether Dyness is the right fit for your site and size it around your actual energy data.
Australian-owned. Accredited installers. Ongoing monitoring and support included.
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Your Questions, Answered
Does Dyness work with my existing solar inverter?
Dyness Powerbox is compatible with most major hybrid inverter brands including GoodWe, Solis, Growatt, Victron and Deye via CAN/RS485 communication. It supports DC-coupled, AC-coupled and hybrid configurations, making it well suited to retrofits. We confirm compatibility with your specific inverter setup as part of our assessment process - before any equipment is ordered.
How much storage capacity do I actually need?
That depends on your daily consumption, your solar array size, and what you're trying to achieve - bill reduction, backup protection, or both. We work through your energy data before making a recommendation. Start at our home solar batteries page to understand how we approach storage sizing for residential sites.
What warranty does Dyness carry?
Dyness Powerbox carries a 10-year product and performance warranty, with guaranteed capacity retention of 70% after 10 years or a defined energy throughput figure - whichever comes later. Off The Grid provides ongoing monitoring and direct support throughout the warranty period.




