Complete guide to the EcoFlow Smart Home Panel 2
The EcoFlow Smart Home Panel 2 (SHP2) is a smart electrical sub-panel designed to integrate EcoFlow's DELTA Pro and DELTA Pro Ultra power stations directly into your home's wiring. Unlike portable plug-in solutions, the SHP2 enables true whole-home or partial-home backup with automatic transfer, circuit-level control, and app-based monitoring — turning a portable battery into something closer to a permanent backup power system.
This guide walks through how the panel works, what's in the box, who it's right for, and the key things to evaluate before installation. For hands-on impressions, see our EcoFlow Smart Home Panel 2 review.
TL;DR: The Smart Home Panel 2 is a 12-circuit smart sub-panel that pairs with up to two DELTA Pro Ultra units (or DELTA Pro stacks) for automatic whole-home backup. It supports 240V split-phase output, switches in under 20 ms, and offers per-circuit scheduling and remote control. Best suited for homeowners who want a permanently installed backup solution without the cost of a full home battery system like a Powerwall.
What is the Smart Home Panel 2?
The SHP2 is an intelligent load center that sits between your main breaker panel and the circuits you want to keep running during an outage. It connects to one or two EcoFlow DELTA Pro Ultra inverter-batteries (or, with adapter, EcoFlow DELTA Pro stacks) and automatically transfers selected circuits to battery power when grid power fails.
It's a significant step up from the original Smart Home Panel: the SHP2 supports higher continuous output, native 240V split-phase loads, and faster transfer times.
Key specifications
| Feature | Value |
|---|---|
| Backup circuits | 12 (configurable) |
| Voltage | 120V / 240V split-phase |
| Max continuous output | Up to 7,200W (single unit) / 14,400W (dual unit) |
| Transfer time | < 20 ms |
| Compatible batteries | DELTA Pro Ultra, DELTA Pro (with cable) |
| Connectivity | Wi-Fi, Bluetooth, EcoFlow app |
| Installation | Permanent, requires licensed electrician |
| Warranty | 5 years (standard) |
Who this is for
Great fit if you...
- Already own (or plan to buy) a DELTA Pro Ultra or DELTA Pro
- Want automatic outage protection without manually swapping cords
- Live in an area with frequent or extended grid outages
- Need 240V loads backed up (well pump, mini-split, EV charger at reduced rate)
- Prefer a modular system you can expand over time
Probably not for you if...
- You only need to back up a few small electronics — a portable unit like the EcoFlow Delta 2 is simpler
- You want a fully integrated solar-plus-storage system at Powerwall scale
- You rent your home or can't modify the electrical panel
How it works
The SHP2 is installed as a sub-panel downstream of your main service panel. You select up to 12 circuits (typically essentials: refrigerator, lights, internet, furnace blower, well pump) and route them through the SHP2. The panel continuously monitors grid status. When it detects an outage, internal relays disconnect the affected circuits from the grid and connect them to the DELTA Pro Ultra battery — all in under 20 milliseconds, so most electronics won't even blink.
Through the EcoFlow app, you can:
- See real-time power draw on each circuit
- Prioritize circuits to extend runtime during long outages
- Schedule loads (e.g., charge EV only during off-peak hours)
- Remotely disable non-essential circuits to conserve battery
- Set up time-of-use arbitrage if you have solar and variable-rate electricity
Pros and cons
Pros
- True automatic transfer — no manual intervention
- Supports 240V loads natively
- Per-circuit visibility and control
- Expandable: start with one battery, add another later
- Far cheaper than a Powerwall-class installation
- Works with solar via the DELTA Pro Ultra's MPPT input
Cons
- Requires licensed electrician — not DIY-friendly
- Locked into the EcoFlow ecosystem
- Battery capacity is finite; not unlimited like a generator
- Only 12 circuits — large homes may need careful prioritization
- Total cost (panel + batteries + install) adds up quickly
What to check before you buy
1. Sizing your battery capacity
The SHP2 is only as useful as the battery behind it. A single DELTA Pro Ultra base unit provides 6 kWh; you can stack up to 5 batteries per inverter for 30 kWh, and run two inverters in parallel for 60 kWh total. For a deeper look at the inverter-battery itself, see our complete guide to the EcoFlow DELTA Pro 3. Estimate your essential daily load (kWh) and multiply by how many days of autonomy you want.
2. Circuit selection
Walk your existing panel and list every circuit you'd want to keep running. If you have more than 12 essential circuits, you'll need to combine or prioritize. Heavy 240V loads (electric range, dryer, central AC) consume battery quickly — consider whether they're truly essential during outages.
3. Installation requirements
You'll need a licensed electrician familiar with backup power systems. Installation typically takes 4–8 hours and requires:
- Wall space near your main panel (indoor or rated outdoor location)
- Conduit run from main panel to SHP2
- Permits and inspection in most jurisdictions
4. Solar compatibility
If you have or plan to add solar, the DELTA Pro Ultra accepts up to 5,600W of PV input per unit. The SHP2 itself doesn't connect to solar directly — solar goes into the battery, which then feeds the panel.
5. Warranty and support
EcoFlow offers a 5-year warranty on the SHP2. Keep your electrician's invoice and any permit/inspection documentation — these are often required for warranty claims involving installed equipment.
Important: The Smart Home Panel 2 is not a code-compliant DIY install. Improper installation can damage your equipment, void warranties, and create serious safety hazards. Always use a licensed electrician and obtain required permits.
Installation cost expectations
Mid-range cost for the panel itself, before batteries.
Significant additional cost; you'll want at least one inverter plus 1–2 battery modules for meaningful runtime.
Typically $800–$2,500 depending on region, panel complexity, and conduit runs.
Usually $100–$400, varies by municipality.
SHP2 vs. alternatives
| Solution | Best for | Trade-off |
|---|---|---|
| EcoFlow SHP2 | Modular battery backup with portable option | Limited to 12 circuits; finite capacity |
| Tesla Powerwall + Gateway | Whole-home, solar-integrated daily use | 2–3× the cost; not portable |
| Manual transfer switch | Budget backup with any generator/battery | No automation, no monitoring |
| Standby generator | Unlimited runtime with fuel supply | Noisy, fuel-dependent, higher maintenance |
Frequently asked questions
Can I install the Smart Home Panel 2 myself?
No. The SHP2 ties into your main electrical service and requires a licensed electrician plus local permits. DIY installation will void the warranty and likely violate code.
Does it work with the original DELTA Pro?
Yes, with the appropriate connection cable. However, the original DELTA Pro outputs 120V only per unit — you'll need two units in a 240V split-phase configuration to back up 240V loads.
How long will my house run on it?
It depends on your battery capacity and load. As a rough guide, 12 kWh of battery will run a typical essentials-only setup (fridge, lights, internet, furnace blower) for 24–36 hours.
Can I still use the battery as a portable unit?
The DELTA Pro Ultra is heavy and wall-mounted in this configuration, so it's not practically portable. The original DELTA Pro is more portable but you'd need to disconnect it from the panel.
Does it support net metering or grid export?
No. The SHP2 is a backup and load-management device, not a grid-tied inverter. It cannot export power back to the utility.
What happens if the SHP2 itself fails?
The panel includes a bypass mode that routes circuits directly to grid power, so a panel failure won't leave you without electricity when the grid is up. EcoFlow's 5-year warranty covers manufacturing defects.
Bottom line
The EcoFlow Smart Home Panel 2 fills a useful middle ground in home backup: more automated and capable than a portable power station with extension cords, more flexible and lower-cost than a fully integrated home battery like a Powerwall. It's the right choice if you already use — or are buying into — EcoFlow's DELTA Pro ecosystem and want a permanent, automatic backup solution for a curated set of essential circuits.
Plan your circuit list carefully, get accurate installation quotes from at least two electricians, and size your battery capacity to match the outage scenarios you actually expect. Done right, the SHP2 delivers a near-seamless backup experience at a fraction of the cost of larger residential storage systems.
Disclosure: This guide may contain affiliate links. If you purchase through them, we may earn a commission at no additional cost to you.