EcoFlow
EcoFlow DELTA Pro 3
4.5/5
$3499.00
✅ Pros
- 4,096 Wh capacity (expandable to 12 kWh)
- 4,000W output handles heavy appliances
- Transfer switch compatible
- Dual charging at record speeds
❌ Cons
- $3,499 — significant investment
- 114 lbs — not portable
- Overkill for camping or light use
Our Verdict
The ultimate home backup solution. 4,096 Wh expandable to 12 kWh, 4,000W output, and transfer switch compatibility for automatic home backup during outages.
Affiliate Disclosure: Links on this page may be affiliate links. Prices are subject to change. We earn a small commission on qualifying purchases.