# I Charged My House & Car With This! 12 kW output & 10 kW Solar!

Source: https://www.youtube.com/watch?v=dgwi3a1LYUE
Recap page: https://rapidrecap.app/video/dgwi3a1LYUE
Generated: 2025-11-13T14:32:43.902+00:00

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## Quick Overview

The EcoFlow system, configured with a Delta Pro Ultra X inverter and four Delta Pro Ultra batteries, successfully powered the host's entire house off-grid, demonstrating a massive 12kW output capability and achieving significant cost savings compared to purchasing a traditional Tesla Powerwall 3 system.

**Key Points:**
- The EcoFlow Delta Pro Ultra X system, paired with four Ultra batteries, delivered a sustained 12kW output, capable of charging a Tesla vehicle at full speed (00:03).
- The host estimates the EcoFlow setup cost is significantly less than a comparable Tesla Powerwall 3 system (13:13, 13:32).
- The system provides 42 kWh of storage using five batteries connected to one inverter, or potentially up to 60 kWh with more batteries (11:58, 19:42).
- The EcoFlow Smart Home Panel 3 allows granular control, monitoring circuit-level consumption via the app, which the host likes more than the Tesla Powerwall's approach (17:11, 17:25).
- The system utilizes LFP (Lithium Iron Phosphate) batteries, which are noted for being more efficient and producing less heat than older battery chemistries (04:08).
- The host mentions the system is completely off-grid capable, unlike the grid-tied Tesla Powerwall 3 (12:34).
- The host is actively using the system to power his office, which has experienced 100% uptime over the past year (00:25).

![Screenshot at 0:01: Host kneeling in front of a red Tesla Model S, presenting the stacked EcoFlow Delta Pro Ultra battery system which displays a 52.62% charge level and 9711W output.](https://ss.rapidrecap.app/screens/dgwi3a1LYUE/00-00-01.png)

**Context:** The video features the host, Ricky Roy, showcasing his extensive off-grid power setup built around the EcoFlow energy ecosystem, specifically highlighting the capabilities of the Delta Pro Ultra X inverter stacked with multiple Delta Pro Ultra batteries. The context is centered around demonstrating the system's high power output and storage capacity, especially in comparison to a competitor like the Tesla Powerwall 3, while also showing its integration with the EcoFlow Smart Home Panel for detailed circuit monitoring.

## Detailed Analysis

The video thoroughly reviews the EcoFlow power system, which includes the Delta Pro Ultra X inverter stacked on three Delta Pro Ultra batteries, with an additional stack of three batteries shown separately, totaling up to five batteries on one inverter initially. The host demonstrates the system charging his Tesla Model S at full speed, achieving an output of 9.7kW (0:02) using a NEMA 14-50 cable. A key feature highlighted is the EcoFlow Smart Home Panel 3 (0:07), which provides granular control and monitoring of individual circuits via the EcoFlow app, a feature the host prefers over the Tesla Powerwall 3's monitoring capabilities (17:25). The host calculates that a five-battery setup provides 30 kWh of storage and that the system is capable of a 12kW output, enough to power nearly every house (12:23, 12:53). He contrasts this with the Tesla Powerwall 3, noting that the EcoFlow system is off-grid capable and that the estimated cost for a similar capacity setup is significantly lower than the $40,000-$50,000 range quoted for Tesla systems (13:32, 13:54). The system uses LFP batteries, which are noted for higher efficiency and less heat production (04:08). The host shows off the app interface, including the ability to set backup reserves (14:32) and use AI mode for cost-effective power scheduling based on utility rates (14:45). The host concludes by emphasizing the system's modularity and high performance, suggesting users can scale up storage easily.

### EV Charging Demonstration

- System outputs 9.7kW charging a Tesla Model S
- The NEMA 14-50 cable facilitates this high-speed charging
- The system reached 35A output during testing (3:26).

### System Configuration & Capacity

- Stacked system includes one Delta Pro Ultra X inverter and five Delta Pro Ultra batteries, totaling 60 kWh of storage
- System supports up to 10 batteries per inverter (19:39, 19:42).

### Smart Home Panel 3 Features

- Panel allows monitoring and control of individual circuits via the app
- Green lights indicate AC input is connected and functioning (14:11).

### Cost & ROI Comparison

- The host estimates the EcoFlow setup costs significantly less than a comparable Tesla system ($4,745 saved annually based on $0.5/kWh rate comparison)
- The system can pay for itself in 2-3 years (13:14, 16:14).

### System Modes & Software

- App shows 'Self-powered' mode in use, bypassing the grid
- AI mode optimizes power usage based on electricity rates and system status (14:45).

### Solar Input Capabilities

- System supports up to 10 kW of solar input via two MPPT inputs (7:56, 9:49).

![Screenshot at 0:01: Host presenting the EcoFlow Delta Pro Ultra battery stack \(three batteries visible\) next to a red Tesla Model S, displaying 52.62% charge and 9711W output on the unit screen.](https://ss.rapidrecap.app/screens/dgwi3a1LYUE/00-00-01.png)
![Screenshot at 0:08: Host interacting with the EcoFlow Smart Home Panel, pointing to circuit breakers labeled for various house loads.](https://ss.rapidrecap.app/screens/dgwi3a1LYUE/00-00-08.png)
![Screenshot at 0:54: Host standing outside next to a small shed containing an initial EcoFlow setup, contrasting it with the expanded setup shown later.](https://ss.rapidrecap.app/screens/dgwi3a1LYUE/00-00-54.png)
![Screenshot at 2:00: Host kneeling next to the fully stacked EcoFlow system \(inverter plus two batteries on wheels\) while demonstrating charging the Tesla Model S.](https://ss.rapidrecap.app/screens/dgwi3a1LYUE/00-02-00.png)
![Screenshot at 3:15: Close-up of the Tesla charging port indicator showing a green light, confirming the EcoFlow system is supplying power at 32 amps.](https://ss.rapidrecap.app/screens/dgwi3a1LYUE/00-03-15.png)
![Screenshot at 7:25: Close-up of the host drawing a system diagram on the car window, illustrating the connection of 4 solar panels per string to the DPUX inverter.](https://ss.rapidrecap.app/screens/dgwi3a1LYUE/00-07-25.png)
![Screenshot at 9:58: Close-up of the inverter's display showing 61% battery, input/output metrics, and the host pointing to the screen.](https://ss.rapidrecap.app/screens/dgwi3a1LYUE/00-09-58.png)
![Screenshot at 12:29: Host gesturing toward the EcoFlow Smart Home Panel, emphasizing its off-grid capability compared to a grid-tied system.](https://ss.rapidrecap.app/screens/dgwi3a1LYUE/00-12-29.png)
![Screenshot at 14:45: The host interacting with the phone app, showing the detailed energy breakdown graph for solar generation \(18.93 kWh for Nov 4-5\).](https://ss.rapidrecap.app/screens/dgwi3a1LYUE/00-14-45.png)
![Screenshot at 19:34: Wide shot showing the full power station setup \(inverter + 3 batteries\) alongside a separate stack of two batteries, next to a server rack.](https://ss.rapidrecap.app/screens/dgwi3a1LYUE/00-19-34.png)