Description
Symmetrical three-phase power delivery with direct high-voltage coupling.
EcoFlow EF HD-P3-8K0-S1 is an 8 kW three-phase residential hybrid inverter delivering 8,000 VA continuous AC output and 12 kWp solar intake across dual 16 A MPPT channels, engineered to sustain domestic heat pumps and EV charging atop PowerOcean 5 kWh battery packs.
8,000 VA Continuous Three-Phase Power (12.2 A)
Symmetrical 400 V power delivery across L1, L2, and L3 to satisfy European grid phase-balance mandates.
12,000 W Solar PV Input (150% Oversizing)
Dual 16 A MPPT channels capture maximum energy across 24–30 panel residential arrays.
Direct 800 V High-Voltage Battery Interface
Direct DC coupling to PowerOcean 5 kWh packs eliminates step-up conversion losses.
Integrated Automatic Backup Transfer (< 20 ms)
Keeps critical domestic three-phase circuits, heat pumps, and routers powered during utility grid blackouts.
More product details
Modern luxury residences feature high-draw three-phase heat pumps alongside general domestic loads. The HD-P3-8K0-S1 delivers 11.6 A continuous current across L1, L2, and L3 while absorbing up to 12 kWp of solar.
- Delivers 11.6 A continuous output current per phase across L1, L2, and L3 (400 V AC, 12.2 A max).
- Direct 800 V DC battery coupling eliminates inverter step-up losses, maximizing round-trip efficiency.
- Wide MPPT window (200–850 V) optimizes harvest across extreme temperature swings.

EcoFlow PowerOcean
Compare different models
Scroll sideways to compare every model.

Automated emergency power with intuitive smartphone management.
Built-in automatic transfer relays isolate the home from utility grid disruptions, energizing critical emergency sub-panels in milliseconds. Senses grid voltage loss and transitions to off-grid backup mode automatically in under 20 ms. Real-time power flows, battery state-of-charge, and customizable self-consumption modes managed via EcoFlow App. IP65 cast-aluminum casing certified for indoor utility rooms or sheltered outdoor walls (-25 to +60 °C).
Holds 45.9 kWh on the battery port
12.5 A charge and discharge at 800 V rated. EF BD-5.1-S1 packs sit on their own pages.
Takes 16 kVA from the utility
Nominal and maximum from the grid are both 16000 VA at 23.1 A on 230/400 V, 3L+N+PE.
Sits outside under 35 dB
IP65, natural convection, about 29.6 kg. Peak conversion is 97.6 percent.
Technical data
The high-throughput residential hybrid energy hub engineered for modern heat pump households.
12 kWp solar intake with 8 kVA continuous three-phase output for electrified homes.
Sized for high-consumption family homes, the HD-P3-8K0-S1 processes 12,000 Wp of rooftop PV generation to power domestic heat pumps, EV chargers, and high-voltage battery storage. It delivers 8,000 VA continuous three-phase power across 3 balanced phases while maintaining automated emergency backup.
- Continuous 3-Phase Power
- 8,000 VA
- Solar DC Intake
- 12,000 Wp
- High-Voltage Bus
- 720–960 V
- High String Current
- 16 A / MPPT
Power & Grid Output
- Nominal apparent power from utility grid (VA)
- 16 kVA
- Maximum apparent power from utility grid (VA)
- 16 kVA
- Maximum AC current from utility grid (A)
- 23.1
- Nominal apparent power output (VA)
- 8 kVA
- Maximum apparent power output (VA)
- 8 kVA
- Nominal output voltage (V)
- 230/400, 3L+N+PE
- Maximum AC current output (A)
- 11.5
- Nominal output current (A)
- 11.5
- Nominal apparent power (VA)
- 8 kVA
- Maximum apparent power (VA)
- 9600 for 1 s
- Maximum output current (A)
- 13.9 for 1 s
Solar / PV Input
- Maximum PV power (W)
- 12 kW
- Maximum input voltage (V)
- 1000
- MPPT operating voltage range (V)
- 200 - 850
- Nominal input voltage (V)
- 600
- Maximum power per MPPT (W)
- 6 kW
- Maximum input current per MPPT (A)
- 16
- Maximum short circuit current per MPPT (A)
- 24
- Number of strings per MPPT
- 1
- Number of MPPTs
- 2
- Maximum MPPT efficiency
- 99.9%
Battery / Storage
- MPPT operating voltage range (V)
- 200 - 850
- Maximum charging power (W)
- 8 kW
- Maximum discharging power (W)
- 8 kW
- Maximum continuous charging current (A)
- 12.5
- Maximum continuous discharging current (A)
- 12.5
- Rated voltage (V)
- 800
- Maximum battery capacity (kWh)
- 45.9
Physical & Environmental
- Topology
- Non-isolated
- Protection level
- IP65
- Operating temperature range (C)
- -20 to 50
- Weight (kg)
- Approximately 29.6
- Dimensions W x D x H (mm)
- 588 x 175 x 380 (without trim cover)588 x 175 x 455 (with trim cover)
- Noise emission (dB)
- <35
- Cooling method
- Natural convection
- Ingress protection
- IP65
Efficiency & Communication
- Maximum efficiency
- 97.6%
- Maximum MPPT efficiency
- 99.9%
- Communication
- RS485 (meter), CAN (BMS), Wi-Fi, Bluetooth, WAN, 4G
Project fit
Where this model fits.
Scenarios that show which projects the EcoFlow EF HD-P3-8K0-S1 belongs in, what to verify before quoting, and when another model is the better pick.
High-Consumption Modern Residences (10–14 kWp PV) with Domestic EV Wallbox

Three-phase detached electrified homes running an EV charger alongside an air-to-water heat pump seeking clean single-tower integration.
8 kW continuous output delivers the power needed to charge EVs and run heat pumps, while 12 kWp solar intake ensures rapid battery replenishment.
- BoundaryIf the property requires higher continuous power output (10–12 kW) to run workshops or full 10 kVA backup, step up to the 10 kW or 12 kW models. ---
- If the property requires higher continuous power output (10–12 kW) to run workshops or full 10 kVA backup, step up to the 10 kW or 12 kW models. ---
Documents
EcoFlow PowerOcean Three-phase datasheet (EU, EN) EcoFlow PowerOcean Three-Phase Datasheet (EN)Product questions
What size AC circuit breaker is required for the HD-P3-8K0-S1?
3-pole 16 A or 20 A MCB; 5 × 2.5 mm² to 5 × 4 mm² copper cable. The HD-P3-8K0-S1 delivers a nominal continuous output current of 11.6 A per phase (max output current 12.2 A @ 400 V). A 3-pole 16 A or 20 A miniature circuit breaker (MCB) is standard on the AC distribution board.
System components
Recommended components
EF BD-5.1-S1 5.1 kWh LFP battery pack
Item number: DLK-ECOFLOW-EFBD51S1
The building-block pack for every PowerOcean stack, single- or three-phase; both HD-P1 and HD-P3 systems scale storage in 5.1 kWh steps of this same pack.
EF BD-B-S1 battery stack base unit
Item number: DLK-ECOFLOW-EFBDBS1
EcoFlow's own stack table lists EF BD-B-S1 x1 in every single-phase configuration (with EF HD-P1), the base unit any HD-P1 battery stack is built on.
EF BD-JC-S1 junction pack
Item number: DLK-ECOFLOW-EFBDJCS1
EcoFlow's own stack table lists EF BD-JC-S1 x1 in every three-phase configuration (with EF HD-P3), the junction pack any HD-P3 battery stack is built on.
Approved pairings
EcoFlow EF BD-5.1-S1Item number DLK-ECOFLOW-EFBD51S1Single-phase: EF BD-5.1-S1 x N plus one EF BD-B-S1 base. Three-phase: the same, plus one EF BD-JC-S1 junction pack, which the single-phase system does not use. Order the JC pack with every three-phase system. Max 45 kWh single-phase, 45.9 kWh three-phase.
EcoFlow EF BD-B-S1Item number DLK-ECOFLOW-EFBDBS1Single-phase: EF BD-5.1-S1 x N plus one EF BD-B-S1 base. Three-phase: the same, plus one EF BD-JC-S1 junction pack, which the single-phase system does not use. Order the JC pack with every three-phase system. Max 45 kWh single-phase, 45.9 kWh three-phase.
EcoFlow EF BD-JC-S1Item number DLK-ECOFLOW-EFBDJCS1Single-phase: EF BD-5.1-S1 x N plus one EF BD-B-S1 base. Three-phase: the same, plus one EF BD-JC-S1 junction pack, which the single-phase system does not use. Order the JC pack with every three-phase system. Max 45 kWh single-phase, 45.9 kWh three-phase.