Sigenergy SigenStor SP 5 kW
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SigenStor SP 5 kW: Hybrid 1P inverter rated at 5 kW, with up to 97.2% peak efficiency. Check PV, battery, MPPT, backup and grid compatibility before specification.
RRP inc VAT
£1,218.00
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SKU: I-6 10
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RRP inc VAT: £1,218.00 · 10 · Out of stock
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Delivery: £49.99 UK mainland; £99.99 Scottish Highlands; Scottish islands, Isles of Scilly, Isle of Wight, Northern Ireland, Isle of Man and Channel Islands: quote on request.
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SigenStor SP 5 kW
The Sigenergy SigenStor SP 5 kW is a Hybrid for converting and managing energy between the PV array, battery and AC installation. The catalogue lists a rated output of 5 kW in a 1P configuration. Inverter sizing should be based on the site's generation, demand, battery strategy and grid connection - not just the panel total.
Specification at a glance
| Brand / model | Sigenergy SigenStor SP 5 kW |
|---|---|
| Inverter type | Hybrid |
| Phase | 1P |
| Rated output | 5 kW |
| Maximum PV input | 7.5 kW |
| MPPT voltage range | 120-500 V |
| MPPT / string inputs | 2 / 2+2 |
| Battery voltage range | 120-500 V |
| Maximum efficiency | 97.2% |
| Backup / EPS rating | 5000 |
| IP rating | IP65 |
| Operating temperature | -30°C to +60°C |
| Dimensions | 510 × 440 × 200 |
| Weight | 18.5 kg |
| Warranty | 5 years |
System design considerations
Check the full electrical window before ordering: PV voltage and current, MPPT range, maximum oversizing, battery voltage, charge and discharge current, phase arrangement and export limitation. A good design keeps strings inside the MPPT window during cold, bright conditions and avoids unnecessary clipping during peak generation. Where backup is required, confirm whether the model supports EPS, the backed-up circuits, changeover equipment, earth arrangements and the required response time.
Installation and compliance
The installer should follow the current manufacturer manual, DNO requirements and applicable UK electrical standards. Confirm mounting clearances, IP exposure, cable routes, isolators, surge protection, communications and monitoring. Inverters generate heat and need the stated operating environment. Commissioning should include firmware, grid settings, export limit, battery operating window and customer access to monitoring.
Value and aftercare
Compare complete installed quotations, including design, mounting, protection, commissioning and warranty support. The headline efficiency is only one part of lifetime value; standby consumption, clipping, warranty length, service response and compatibility with future storage can matter just as much. Keep the serial number, datasheet and commissioning record for any future warranty or system extension.
Next step
Ask for a site-specific design using the exact model above. Kilowatts can check the roof layout, expected generation, household or business load and backup requirements before confirming whether this inverter is the right fit.
Open the manufacturer datasheet and confirm the current revision before installation.
Specifications
| Brand | Sigenergy |
|---|---|
| Model | SigenStor SP 5 kW |
| Type | Hybrid |
| Phase | 1P |
| Rated output | 5000 |
| Max PV input | 7500 |
| MPPT range | 120-500 V |
| Battery voltage | 120-500 V |
| Max efficiency | 97.2 |
| Euro efficiency | 96.8 |
| IP rating | IP65 |
| Dimensions | 510 × 440 × 200 |
| Weight | 18.5 kg |
| Warranty | 5 years |
Installation
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