Description
Symmetrical three-phase power delivery with direct high-voltage coupling.
EcoFlow EF HD-P3-10K-S1 is a 10 kW three-phase residential hybrid inverter delivering 10,000 VA continuous AC output and 14 kWp solar intake across dual 16 A MPPT channels, engineered to sustain whole-home emergency backup and heat pumps atop PowerOcean 5 kWh battery packs.
10,000 VA Continuous Three-Phase Power (15.2 A)
Symmetrical 400 V power delivery across L1, L2, and L3 to satisfy European grid phase-balance mandates.
14,000 W Solar PV Input (140% Oversizing)
Dual 16 A MPPT channels capture maximum energy across 28–35 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 induction cooktops powered during blackouts.
More product details
Modern luxury residences feature high-draw three-phase heat pumps alongside induction cooking. The HD-P3-10K-S1 delivers 14.5 A continuous current across L1, L2, and L3 while absorbing up to 14 kWp of solar.
- Delivers 14.5 A continuous output current per phase across L1, L2, and L3 (400 V AC, 15.2 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
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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.
Runs 14.4 A on 230/400 V
10000 VA nominal on 3L+N+PE. Maximum output current is 14.4 A continuous.
Sits outside under 35 dB
IP65, about 29.6 kg, 97.6 percent peak conversion, 99.9 percent MPPT.
Technical data
The flagship 10 kW residential hybrid energy hub engineered for complete household autonomy.
14 kWp solar intake delivering 10 kW continuous three-phase whole-home backup.
Serving as the benchmark 10 kW three-phase model in the PowerOcean lineup, the HD-P3-10K-S1 absorbs up to 14,000 Wp of solar generation across dual 16 A MPPT channels. It delivers 10,000 VA continuous AC output to utility grids and whole-home emergency backup circuits, keeping all-electric residences completely autonomous during blackouts.
- Continuous 3-Phase Power
- 10,000 VA
- Solar DC Intake
- 14,000 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)
- 10 kVA
- Maximum apparent power output (VA)
- 10 kVA
- Nominal output voltage (V)
- 230/400, 3L+N+PE
- Maximum AC current output (A)
- 14.4
- Nominal output current (A)
- 14.4
- Nominal apparent power (VA)
- 10 kVA
- Maximum apparent power (VA)
- 12000 for 1 s
- Maximum output current (A)
- 17.4 for 1 s
Solar / PV Input
- Maximum PV power (W)
- 14 kW
- Maximum input voltage (V)
- 1000
- MPPT operating voltage range (V)
- 200 - 850
- Nominal input voltage (V)
- 600
- Maximum power per MPPT (W)
- 7 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)
- 10 kW
- Maximum discharging power (W)
- 10 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-P3-10K-S1 belongs in, what to verify before quoting, and when another model is the better pick.
Large All-Electric Single-Family Residences (12–16 kWp PV)

Modern detached homes equipped with a 3-phase air-to-water heat pump, induction cooktops, and high baseline domestic loads.
10 kW continuous AC throughput provides the power needed to run heavy domestic loads simultaneously, while 14 kWp solar intake ensures fast battery replenishment.
- BoundaryIf the home features a large 15–18 kWp solar array and operates an EV charger alongside the heat pump, step up to the HD-P3-12K-S1 (12 kW / 18 kWp PV). ---
- If the home features a large 15–18 kWp solar array and operates an EV charger alongside the heat pump, step up to the HD-P3-12K-S1 (12 kW / 18 kWp PV). ---
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-P3-10K-S1?
3-pole 20 A or 25 A MCB; 5 × 4 mm² copper cable. The HD-P3-10K-S1 delivers a nominal continuous output current of 14.5 A per phase (max output current 15.2 A @ 400 V). A 3-pole 20 A or 25 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.