What matters most
A 4,096Wh LFP portable home-backup platform with 4,000W rated output, up to 2,600W solar input and supported battery expansion. It targets heavier backup loads and mobile/off-grid use that sit between a portable power station and a permanently wired home-energy system.
Key specifications
| Capacity | 4,096Wh |
|---|---|
| AC output | 4,000W rated; 8,000W surge on referenced regional specifications |
| Battery chemistry | LFP |
| Solar input | Up to 2,600W across two PV inputs |
| Expansion | 4–12kWh on the referenced DELTA Pro 3 configuration |
| Warranty | 5 years |
| Weight | Approx. 51.5 kg |
Reasons to shortlist it
- 4,096Wh base capacity
- 120/240V output on supported regional models
- Up to 2,600W solar input
- Expandable for longer backup
Reasons to look elsewhere
- Heavy and expensive relative to smaller units
- Expansion is proprietary
- Whole-home integration can require extra transfer equipment and professional installation
How to verify before buying
Confirm the exact regional model, current specifications, included accessories, warranty terms, electrical compatibility and retailer return policy. Do not treat a cached price or old datasheet as current.
Primary sources
Last Melnti verification: 2026-08-25.
