Match a solar battery storage system to how the home actually lives. Not a generic kit.
PV and storage designed together.
Add storage without guessing what must change.
Critical loads before whole-home claims.
Start right-sized with a path forward.
Every residential battery system starts with the project condition. Pick yours below.
One hybrid inverter system, one installer, one warranty. Everything coordinated from day one.
Start new-build planThe brief starts with what is already on the roof. Compatibility determines what changes and what stays.
Start retrofit planName the circuits that must stay on. Home battery backup only works when you define the critical loads first.
Start backup planSize the first battery for today. Keep the expansion path visible for EV charging or heat pump demand later.
Start expansion plan
Before you compare hybrid inverter systems or battery specs, lock these three calls.
A new build with PV + storage wants a hybrid path from day one. A retrofit starts with what the existing PV can carry. The battery layer only makes sense once this question is locked.
What stays on when the grid goes down? Name the critical circuits before making sizing promises. Whole-home is a promise. Critical-load is a plan.
Overspec costs upfront. Undersizing costs later. Match the first install to the current load and document the growth path for EV, heat pump, or whatever is next.
Each family carries a different role in a home energy storage system. Match your project condition to the right path.
Hybrid Inverters
The decision center for PV, battery storage, and household power. One coordinated system from PV to backup.
Fits when: PV and battery control should be designed together.
Browse hybrid inverters
Battery Storage
Hold daytime surplus for evening use. High-voltage stackable storage keeps backup capacity visible from the start.
Fits when: the main job is capacity, backup reserve, or staged expansion.
Browse battery systems
All-in-One ESS
Inverter, battery storage, and system management in one enclosure. One supplier, one install, one support path.
Fits when: the project wants one compact hardware path.
Browse all-in-one ESS
Monitoring & Accessories
Real-time visibility across generation, storage, and consumption. Shared data for the homeowner and the support team.
Fits when: visibility, service handoff, and operating data matter.
Browse monitoring range1 / 4
Use these examples as proof cues for new-build, retrofit, backup, and monitoring-led conversations.
Hanoi, Vietnam
Key Proof
Remote commissioning meant the local partner handled the physical install and TerraVolt dialed in the storage logic from a different time zone.
Sao Paulo, Brazil
Key Proof
Common-area electricity costs dropped without touching a single apartment wall. That made the board decision much easier.
Perhentian Island, Malaysia
Key Proof
No diesel. No noise. No grid. The battery carries the resort through the night and the guests never notice the switch.
Northern Europe
Key Proof
Through winter conditions below -25°C, the system held rated capacity. Remote monitoring meant no technician needed to drive into the snow.
Swipe to explore projects
Use the table to compare the product family before asking for the exact project-specific drawing set.
PV + storage control · new build or retrofit · IP66 outdoor · single or three phase
| Power Rating | 3.6 – 15 kW |
| Phase | Single Phase / Three Phase |
| Battery Compatibility | HV & LV LiFePO4 |
| PV Input | Dual MPPT, up to 600 V |
| Communication | RS485 / CAN / Wi-Fi |
| Protection Rating | IP66 |
| Mounting | Wall / Floor |
| Warranty | 10 Years |
High-voltage stackable · 5–20 kWh per module · evening surplus · backup ready
| Cell Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Capacity per Module | 5 – 20 kWh |
| Max Stack Capacity | Up to 80 kWh (4× modules) |
| Voltage Class | High Voltage (HV) |
| Communication | RS485 / CAN |
| Protection Rating | IP65 |
| Mounting | Floor Stack / Wall Bracket |
| Warranty | 10 Years |
Inverter + battery in one enclosure · one SKU · one install · one support path
| System Power | 8 – 16 kW |
| Integrated Capacity | 10 – 30 kWh |
| Cell Chemistry | Integrated LiFePO4 |
| Phase | 230 V Single / 400 V Three Phase |
| Communication | Wi-Fi + Ethernet |
| Protection Rating | IP65 |
| Mounting | Wall / Floor |
| Warranty | 10 Years |
PV and storage planned together? New-build path. Adding storage to existing solar? Retrofit path. The compatibility check decides what changes.
It depends on the existing inverter and wiring. An AC-coupled path may work. Not every setup is compatible. A retrofit planning review answers this before any hardware decision.
Start with 10–15 kWh for evening self-consumption and basic backup. The right number comes from your consumption profile, not a generic average.
Backup-ready means critical loads first. Refrigeration, lighting, communications. Name those circuits, then decide if wider coverage is needed.
Size for today. Document the future. If EV charging or a heat pump is coming, the expansion path should be visible without forcing a larger first install.
A hybrid inverter separates PV and battery control. An all-in-one ESS integrates both in one enclosure. Flexibility versus simplicity — your call.
TerraVolt uses LiFePO4 chemistry: better thermal stability, longer cycle life, and higher safety than NMC alternatives. Important when the battery lives inside the home.
Each module carries its own 10-year warranty. Stacking modules later does not reset coverage on earlier units.
A Wi-Fi or Ethernet gateway plus the TerraVolt platform gives you real-time PV, battery SOC, consumption, and grid data in one dashboard. Include monitoring in the brief from day one.
System single-line diagram, component list, backup load schedule, monitoring notes, and installation compatibility summary. Enough to start the installer conversation.
You will get a home energy storage recommendation matched to your project condition, not a generic quote.
