What a home battery actually costs in 2026
The residential 25D credit is gone for new homeowner-owned installs. These figures are hardware list snapshots plus typical electrical work. They are not bids.
Hardware you can look up today
| Item | What you get | List / sale (prices dated per row) | Source |
|---|---|---|---|
| EcoFlow Ultra X (1 inv + 2 bat) | 12 kW / 12 kWh | $7,999 (14 Oct 2026) | us.ecoflow.com |
| Ultra X + Smart Home Panel 3 | same + 32-circuit panel | $10,999 (14 Oct 2026) | us.ecoflow.com |
| Ultra X 4-bat + SHP3 | 12 kW / 24 kWh | $14,399 (19 Oct 2026) | us.ecoflow.com |
| Ultra extra battery | 6,144 Wh | $2,299 add-on / $2,399 alone (27 Sep 2026) | us.ecoflow.com |
| DELTA Pro 3 | 4 kW / 4 kWh | $2,799 sale / $3,299 list (checked 11 October 2026) | us.ecoflow.com |
| Anker SOLIX F3800 Plus | 6 kW / 3.84 kWh | $2,399.99 Halloween sale / $2,999.99 list (checked 26 Oct 2026, sale ends 1 Nov 2026) | ankersolix.com |
| EcoFlow 400 W folding panel | portable PV | $699 (EcoFlow US, 25 Oct 2026) | us.ecoflow.com |
| EcoFlow transfer kit 306A1 | 6-circuit · electrician | $399 (21 Oct 2026) | us.ecoflow.com |
| Smart Home Panel 3 | 32 circuits · 10-year warranty | $3,299 (EcoFlow US, 27 Sep 2026) | us.ecoflow.com |
| Powerwall 3 | 13.5 kWh / 11.5 kW | Quote — hardware often mid-to-high four figures; installed commonly five figures | Tesla + installer bids |
EcoFlow pages showed some Ultra X bundles as sold out when checked. Availability is not the same as price.
Comparison (published specs)
| System | Path | Usable energy | Continuous power | 240V | Expandability | Starting price | Best for |
|---|---|---|---|---|---|---|---|
| Tesla Powerwall 3 | Installer | 13.5 kWh | 11.5 kW · 185 LRA | Yes (gateway) | Tesla expansion packs | Quote only | Integrated wall appliance |
| EcoFlow DELTA Pro Ultra X | Cart + electrician for SHP3 | 12 kWh start (2× ~6 kWh) | 12 kW | Yes | Same-family extras; SHP3 is Ultra X only | $7,999 / $10,999 with SHP3 | Cart whole-home stack |
| EcoFlow DELTA Pro 3 | Cart | 4 kWh | 4 kW | Yes | DP3 extras ($1,899). Do not mix with Ultra X or SHP3 | $2,799 sale / $3,299 list (checked 11 October 2026) | Expandable 240 V portable |
| Anker SOLIX F3800 Plus | Cart | 3.84 kWh | 6 kW | Yes | BP3800 extras ($1,799.99 Halloween sale / $1,999.99 list, checked 26 Oct 2026, sale ends 1 Nov 2026) | $2,399.99 Halloween sale / $2,999.99 list (checked 26 Oct 2026, sale ends 1 Nov 2026) | First 240 V portable |
| BLUETTI EP900 + B500 | Cart / DIY-leaning | ~4.46 kWh usable per B500 | 9 kW (7.6 kW off-grid with 2× B500) | Yes | 2–8 B500 typical | Confirm live kit price | High-output well / shop |
What a first buy actually is
| Job | Typical hardware | Hardware snapshot | Labor / permit band | Honest total |
|---|---|---|---|---|
| Fridge, internet, CPAP (cords) | DELTA 3 or C2000 Gen 2 | $629–$899.99 Halloween sale / $1,199.99 list (checked 26 Oct 2026, sale ends 1 Nov 2026) | $0 on cords | Under $1,200 |
| Essentials + 240 V attempt | F3800 Plus or DELTA Pro 3 | $2,399.99 Halloween sale / $2,999.99 list (checked 26 Oct 2026, sale ends 1 Nov 2026) (F3800 Plus); DELTA Pro 3 $2,799 (checked 8 October 2026) | $0 on cords; $800–$2,800 if you add a transfer/inlet | F3800 Plus: $2,399.99 Halloween sale / $2,999.99 list (checked 26 Oct 2026, sale ends 1 Nov 2026), plus labor. DELTA Pro 3 side about $2,800–$5,600. |
| Selected house circuits | Portable + $399 transfer kit or inlet | Hardware + $399 | $800–$2,800 electrician | Often $3,000–$7,000 |
| Automatic whole-home (cart) | Ultra X + SHP3 | $10,999 hardware | $1,200–$3,500+ if the panel is healthy | About $12,000–$16,000 |
| Automatic whole-home (installer) | Powerwall 3 | Quote | Included in the bid | Commonly $11,000–$16,000+ |
| Size | Fridge + internet | Well (running) | Partial house | Whole-home HVAC |
|---|---|---|---|---|
| ~4 kWh (F3800 Plus / DELTA Pro 3) | ~17 hours | ~3.5 hours (start is 6–9 kW) | ~2 hours | No. Shed HVAC. |
| ~12 kWh (Ultra X starter) | ~2 days | ~10 hours running if it can start | ~6–7 hours | Short automatic backup only. Not multi-day HVAC. |
| ~20 kWh (4× B500 or Ultra extras) | ~3–4 days | ~16 hours running | ~11 hours | Still not a silent whole-home week. Plan to shed. |
Labor that does not show on the product page
Ranges from typical US residential electrical work, not a survey we ran. Get three local quotes.
Worked example (not a quote)
Ultra X + SHP3 hardware $10,999 + $2,000 labor/permit ≈ $13,000 out the door if the panel is healthy. A year ago many articles would have shown ~$9,100 after 30%. That subtraction is no longer valid for a 2026 homeowner-owned system.
FAQ
If the number above is too high, a portable covering fridge, internet, and medical devices is the rational first spend. $2,399.99 Halloween sale / $2,999.99 list (checked 26 Oct 2026, sale ends 1 Nov 2026) on the F3800 Plus. DELTA Pro 3 is $2,799 (checked 11 October 2026).
View F3800 Plus on Anker View DELTA Pro 3 on EcoFlow