Description
11,000 W solar intake with direct high-voltage storage coupling.
EcoFlow EF HD-P1-5K-S1 is a 5 kW single-phase residential hybrid inverter delivering up to 11 kWp solar intake across dual high-current MPPT channels, engineered to stack cable-free atop EcoFlow PowerOcean high-voltage 5 kWh battery packs.
11,000 Wp High-Ratio Solar Intake (220% DC)
Double solar intake ensures rapid battery charging and daytime domestic self-consumption even on overcast winter days.
5,000 W Continuous AC & Backup Output (22.7 A)
Easily runs cooking appliances, refrigerators, and domestic circuits during utility blackouts.
Direct 800 V High-Voltage Battery Interface
Direct DC coupling to PowerOcean 5 kWh packs eliminates step-up conversion losses.
Dual High-Current MPPT Trackers (18 A / 16 A), 100% compatible with modern 500W+ residential modules without current clipping.
More product details
Modern residential homes demand high solar absorption to charge batteries and power appliances on cloudy winter days. The HD-P1-5K-S1 accepts up to 11 kWp DC input, pushing surplus solar directly into storage across an 800 V window.
- Dual MPPT channels (18 A single / 16 A dual) optimize East/West roof pitches down to 90 V startup.
- 800 V DC battery architecture eliminates step-up voltage boost losses during battery charging.
- Wide MPPT window (90–520 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).
Runs 21.7 A on one phase
5000 W and 5000 VA on 220 / 230 / 240 V. Frequency is 50 / 60 Hz.
Holds 15.3 kWh at 7.6 A
790 V rated, 800 V maximum. EF BD-5.1-S1 packs sit on their own pages.
Sits outside in IP65 at 40 dB
Natural convection, minus 20 to 50 C. The box is 679.6 x 182.7 x 280 mm.
Technical data
The benchmark 5 kW residential hybrid energy hub engineered for single-phase household electrification.
11 kWp DC solar intake with 5 kW continuous single-phase emergency backup.
Serving as the standard full-size single-phase hybrid model in the PowerOcean lineup, the HD-P1-5K-S1 handles up to 11,000 Wp of solar input across dual high-current MPPT channels. It delivers 5,000 W continuous AC output (22.7 A), charging PowerOcean high-voltage storage directly and providing full 5 kVA backup to sustain essential domestic circuits during blackouts.
- Single-Phase Power
- 5,000 VA
- 220% Solar DC Intake
- 11,000 Wp
- High-Voltage Bus
- 150–800 V
- High String Current
- 18 A / 16 A
Power & Grid Output
- Rated output power (W)
- 5 kW
- Maximum apparent power (VA)
- 5 kVA
- Rated output voltage (V)
- 220/230/240, L+N+PE
- Rated output current (A)
- 21.7
- Maximum output current (A)
- 25
- Nominal frequency (Hz)
- 50/60
- Maximum output power (VA)
- 5 kVA
- Nominal output voltage (V)
- 220/230/240, L+N+PE
Solar / PV Input
- Maximum PV power (W)
- 11 kW
- Maximum input voltage (V)
- 600
- MPPT voltage range (V)
- 90 - 520
- Maximum input current per MPPT (A)
- 18 (single PV input), 16 (dual PV input)
- Maximum short circuit current per MPPT (A)
- 20
- Number of MPPTs
- 2
Battery / Storage
- Rated voltage (V)
- 790
- Maximum voltage (V)
- 800
- Rated current (A)
- 7.6
- Maximum current (A)
- 7.6
- Maximum battery capacity (kWh)
- 15.3
Physical & Environmental
- European weighted efficiency
- >96%
- Topology
- Non-isolated
- Ingress protection rating
- IP65
- Operating temperature range (C)
- -20 to 50
- Weight (kg)
- 21.5
- Dimensions W x D x H (mm)
- 679.6 x 182.7 x 280 (without IOT and Wi-Fi module)
- Noise emission (dB)
- 40
- Cooling method
- Natural convection
- Ingress protection
- IP65
Efficiency & Communication
- European weighted efficiency
- >96%
- Communication
- RS485, CAN, Wi-Fi, Bluetooth, WAN, 4G
Project fit
Where this model fits.
Scenarios that show which projects the EcoFlow EF HD-P1-5K-S1 belongs in, what to verify before quoting, and when another model is the better pick.
Standard Single-Phase European Residences (7–11 kWp Solar)

Single-family homes with standard 230 V single-phase grid connections seeking full 5 kW continuous power.
5 kW continuous output delivers the power needed to run heavy loads simultaneously, while 11 kWp solar intake ensures fast battery replenishment.
- BoundaryIf the home has a 32 A connection limit and operates an air-to-water heat pump alongside an EV charger, step up to the HD-P1-6K-S1 (6 kW / 27.3 A). ---
- If the home has a 32 A connection limit and operates an air-to-water heat pump alongside an EV charger, step up to the HD-P1-6K-S1 (6 kW / 27.3 A). ---
Documents
EcoFlow PowerOcean Single-phase datasheet (EU, EN)Product questions
What size AC circuit breaker is required for the HD-P1-5K-S1?
25 A or 32 A 1-pole MCB; 3 × 4 mm² to 3 × 6 mm² copper cable. The HD-P1-5K-S1 delivers a maximum continuous output current of 22.7 A @ 230 V. A 1-pole 25 A or 32 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.