Sunova eFox 5kW Inverter with 10.24kWh Battery (Sunova-eFox-WP-50E)
The Sunova eFox 5kW inverter with 10.24kWh battery is a compact all-in-one off-grid energy storage system designed for residential backup and standalone power applications. The Sunova eFox-WP-50E integrates a 5kW pure sine wave inverter, lithium iron phosphate battery, and battery management system into a single floor-standing unit, simplifying installation and system design.
This Sunova eFox 5kW system is ideal for homes, small offices, and remote sites that require reliable backup power or off-grid operation without the complexity of separate inverter and battery components.
What the Sunova eFox 5kW System Is and Is Not
The Sunova eFox-WP-50E is an off-grid energy storage system with built-in battery storage. It is designed to supply loads independently or alongside grid or generator input. It is not a grid-export hybrid inverter and is not intended for feeding energy back into the utility grid.
The system focuses on backup, self-consumption, and standalone power rather than grid feed-in.
Integrated Lithium Battery and Energy Storage
The Sunova eFox 5kW inverter includes a built-in 10.24kWh lithium iron phosphate battery operating at a nominal voltage of 51.2V. LFP battery chemistry offers improved safety, long cycle life, and stable performance over time. The integrated battery allows long runtime during outages or off-grid operation.
Solar and AC Charging Capability
The Sunova eFox-WP-50E supports charging from solar PV as well as grid or generator input. It features an internal MPPT charge controller that allows efficient solar charging within a wide voltage range. AC charging from grid or generator can be configured to suit site requirements and battery protection settings.
Backup Power Output and Load Handling
This Sunova eFox 5kW inverter delivers stable single-phase AC output suitable for household and small commercial loads. It provides high short-term surge capacity, allowing it to start appliances with higher inrush current such as pumps or compressors when correctly sized.
Applications for the Sunova eFox 5kW Inverter System
The Sunova eFox-WP-50E is suitable for:
– Residential backup power
– Off-grid homes and cabins
– Small offices and shops
– Remote monitoring or telecom sites
– Backup power where simplicity and compact design are required
Sunova eFox 5kW Inverter with 10.24kWh Battery Technical Specifications
Identity
- Brand: Sunova
- Model / SKU: Sunova-eFox-WP-50E
- System type: All-in-one off-grid energy storage system
- Phase: Single phase
Battery System
- Battery type: Lithium-ion (LFP)
- Nominal battery voltage: 51.2 V
- Battery voltage range: 44.8 – 57.6 V
- Battery capacity: 10.24 kWh
- Max discharge rate: 0.7 C
- Max charge rate: 0.5 C
Inverter Output (Backup)
- Rated output power: 5,000 W
- Surge power: 10,000 W for 5 seconds
- Rated output voltage: 220 / 230 / 240 V
- Max output current: 22 A
- Rated frequency: 50 / 60 Hz
- Total harmonic distortion: <3%
- Output waveform: Pure sine wave
AC Input
- AC input voltage range: 170 – 280 V
- AC input frequency: 50 / 60 Hz
- AC charge current (battery): 30 A (0 – 80 A adjustable)
Solar PV Input
- Recommended max PV power: 6,000 W
- Max PV voltage: 450 V
- MPPT voltage range: 120 – 430 V
- Max PV charge current (battery): 100 A
Environmental and General
- Operating temperature: 0°C to 50°C
- Storage temperature: −15°C to 60°C
- Humidity range: 5% – 95%
- Cooling method: Fan cooling
- Protection rating: IP44
Physical
- Weight: 120 kg
- Dimensions (W × H × D): 660 × 1150 × 200 mm
- Installation type: Floor standing
Communication
- Communication interfaces: WiFi, RS485
FAQ
Frequently Asked Questions About the Sunova eFox 5kW Inverter with 10.24kWh Battery
Is the Sunova eFox 5kW system a hybrid inverter?
No. The Sunova eFox-WP-50E is an off-grid inverter system with an integrated battery. It is designed for backup and standalone power use and does not export power back into the utility grid like a hybrid inverter.
Can the Sunova eFox 5kW system work without solar panels?
Yes. The system can operate using grid or generator power only. Solar panels are optional but recommended to reduce reliance on grid or generator energy and improve energy independence.
Does the Sunova eFox 5kW include a built-in battery?
Yes. The Sunova eFox-WP-50E includes an integrated 10.24kWh lithium iron phosphate battery inside the unit. No external battery is required.
What type of battery is used in the Sunova eFox system?
The system uses a lithium iron phosphate battery operating at a nominal voltage of 51.2V. This battery chemistry is known for safety, long cycle life, and stable performance.
Can additional batteries be added to the Sunova eFox 5kW inverter?
No. The Sunova eFox-WP-50E is a self-contained system with a fixed internal battery. It is not designed for external battery expansion.
How much solar power can be connected to the Sunova eFox 5kW system?
The inverter supports a recommended maximum solar input of 6kW. The internal MPPT charge controller operates over a wide voltage range, allowing efficient solar charging when panels are correctly configured.
What appliances can the Sunova eFox 5kW run?
The system can power typical household and small office loads such as lighting, televisions, computers, refrigerators, routers, and small pumps. High-demand appliances such as large air conditioners or electric stoves may require careful load management.
Does the Sunova eFox 5kW support generator input?
Yes. The system supports generator input and can use generator power to supply loads or charge the internal battery when required.
How long will the battery last during a power outage?
Backup runtime depends on the connected load. With a usable battery capacity of approximately 10.24kWh, the system can run essential household loads for several hours. Lower loads will result in longer runtime.
Is the Sunova eFox 5kW suitable for full off-grid use?
Yes. When paired with sufficient solar capacity and proper load management, the Sunova eFox-WP-50E can operate as a full off-grid power solution for homes or remote sites.
Does the Sunova eFox system provide pure sine wave output?
Yes. The inverter delivers pure sine wave AC output, making it safe for sensitive electronics and household appliances.
How is the Sunova eFox 5kW system monitored?
The system supports WiFi monitoring, allowing users to view system status, battery level, and power flow through supported monitoring platforms.
Is professional installation required for the Sunova eFox 5kW inverter?
Yes. Although the system is designed as an all-in-one solution, professional installation by a qualified electrician is recommended to ensure safe operation, compliance, and correct configuration.
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