Resources & Technical Guides
One line: The technical material behind the product range — sizing, selection, installation, fault codes and application notes, written for buyers and installers rather than for search engines.
Selection & sizing
| Guide | What it answers |
|---|---|
| How to size a solar inverter | Connected load, surge, battery voltage matching and PV array sizing, with worked examples |
| Hybrid vs off-grid inverter | Which type suits which site, and why the answer usually turns on future grid access |
| Model number decoder | What HE200-7200-F actually means, and the map from model code to real output |
Buying guides
Longer, market-specific material for buyers working through a purchase decision. See the full list of buying guides.
| Guide | What it answers |
|---|---|
| Hybrid inverter for off-grid homes in Nigeria | The five checks that decide the purchase: rated output, 48 V battery match, PV input, load-priority output and a parallel path for later growth |
| LiFePO4 vs lead-acid: ten-year cost of ownership | Cycle life, usable kWh, maintenance load and charge behaviour compared over a ten-year daily-cycle service, including the cases where lead-acid still wins |
| Why South African homes keep adding battery storage | Why storage demand kept rising after load-shedding eased: tariffs, an existing solar array, grid uncertainty, and how to size a 2.56-16 kWh unit |
| Diesel generator vs solar + storage: the payback | How to run the generator-replacement arithmetic on fuel price, servicing and run-hours, and when the generator is still the right answer |
Installation & support
| Guide | What it covers |
|---|---|
| Installation and wiring guide | Cable sizes, breaker ratings, PV stringing, parameter settings and lithium BMS connection |
| Error code reference | Fault codes, alarm codes, trigger conditions and which codes are recoverable |
Application notes
| Note | Application |
|---|---|
| Remote rural households | Sites with no grid, sizing for autonomy and surge |
| Market stalls & small shops | Lighting, refrigeration and point-of-sale loads |
| Irrigation pumps | Motor surge, low-frequency vs high-frequency selection |
| Commercial & workshop backup | Load separation, parallel scaling to 99 kW, three-phase output |
Product information
| Page | Contents |
|---|---|
| Certifications | Every compliance file held, with certificate numbers and model ranges |
| Hybrid inverters | HE200 and HE300 range with real specifications |
| Off-grid inverters | Dedicated off-grid models |
| Energy storage | All-in-one systems and portable units |
| Solar batteries | LiFePO4 battery packs |
A note on how these guides are written
Every figure on these pages comes from the manufacturer's specification sheets, manuals and test reports — not from estimates. Where the source documents disagree with each other, we say so rather than pick the most flattering number. Where a certification is not held for a model, we say that too.
If you are specifying a system and want a second opinion on the numbers, send the load list and the constraints and we will work through it with you.