Solar Solar Inverters

ELS4K

4kW | 48V

The The ELS series single-phase residential hybrid inverter supports flexible charging options, including utility, generators, and solar energy. It also provides versatile power supply mode, such as grid bypass, off-grid power supply, and on-grid feeding power.
The series features comprehensive and efficient energy management functions. It supplies powerfor daily use, stores excess power, and exports the remaining power to the grid. These benefits help to reduce electricity costs, decrease dependence on the grid, and improve power reliability.

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Key Features

High Efficiency
Overload capability: 1.5x rated power, overload for 60 seconds
Continuous max. charge/discharge current: 120A
150% PV oversizing capability

Superior Efficiency Max. MPPT tracking efficiency: 99.9%
Max. PV conversion efficiency: 97.6%
Battery charge/discharge efficiency: 94.6%

Smart Power Management Dedicated interface: For generator connection, smart load management, or AC coupling
UPS-level switching <10ms
Single-phase parallel connections: Supports up to 6 pcs

Reliable & Safe IP65 protection
Optional modules: RSD; AFCI

User Experience LED/LCD display
Smart APP: User-friendly operation and monitoring

Specification

Rated Output Power (W)

:

4000W
Battery Nominal DC Voltage

:

48Vdc
Max. PV Input DC Voltage

:

360V
MPPT Voltage Range

:

100-550V
Max. PV Array Input Current

:

16A
Phase

:

Single phase
Dimension (DxWxH)

:

222.5 × 558.1 × 455.1mm
Net Weight

:

28.1Kg
Battery input (DC)

:

Battery type

:

Lithium battery/Lead-acid battery
Voltage range

:

42-63V
Charging rule

:

3-stage charging or BMS command
Max. charging and discharging current

:

85A
PV input (DC)

:

Max. input power

:

6000W
Start-up voltage

:

100V
Rated input voltage

:

360V
Number of MPPTs

:

2
Number of strings per MPPT

:

1
AC output (On-grid)

:

Max. output apparent power

:

4400VA
Rated output current

:

19.1A
Max. input current from grid

:

38.2A
Rated output voltage

:

230V
Rated grid frequency

:

50Hz
THDi

:

<3%
Power factor

:

≈1 (Adjustable from 0.8 leading to 0.8 lagging)
AC output (Off-grid)

:

Peak power (VA), time(s)

:

1.5* Rated power, 60s
Overload power (VA), time(s)

:

1.25* Rated power, 300s
Rated output current

:

17.4A
Rated output voltage

:

230V
Rated output frequency

:

50/60Hz
THDu (@Linear loads)

:

<3%
Switch time

:

10ms
Efficiency

:

Max. Efficiency

:

97.80%
European Efficiency

:

97.30%
Max. discharging efficiency

:

94.60%
Protection

:

Basic protection

:

PV reverse polarity, AC output overvoltage, Anti-islanding, PV insulation resistance, AC output overcurrent, Grid monitoring, PV string current monitoring, AC output short circuit, Residual current (RCD) detection
AFCI

:

Optional
DC switch

:

Integrated
SPD

:

DC Type II/AC Type III
Rapid shutdown（RSD)

:

Optional
Environmental parameters

:

Operating temperature

:

-30°C to 60°C
Relative humidity

:

0% to 95%
Altitude

:

4,000m (>2,000m Derating)
Ingress protection

:

IP65
Noise emission

:

<25dB
Others

:

Generator auto start-up

:

2 Wire start – integrated
Standby losses (W)

:

<10
Topology

:

High-frequency isolation (Battery)
Cooling method

:

Natural
Mounting method

:

Wall mounted
Communication with BMS

:

RS485/CAN
Communication with meter

:

RS485
Communication with protal

:

WiFi/Bluetooth (External)
Display

:

LED & APP
Certifications

:

EN/IEC62109；EN/IEC61000；IEC61683；EN50549；IEC61727；IEC62116；CEI 0-21

Key Features

High Efficiency
Overload capability: 1.5x rated power, overload for 60 seconds
Continuous max. charge/discharge current: 120A
150% PV oversizing capability

Superior Efficiency Max. MPPT tracking efficiency: 99.9%
Max. PV conversion efficiency: 97.6%
Battery charge/discharge efficiency: 94.6%

Smart Power Management Dedicated interface: For generator connection, smart load management, or AC coupling
UPS-level switching <10ms
Single-phase parallel connections: Supports up to 6 pcs

Reliable & Safe IP65 protection
Optional modules: RSD; AFCI

User Experience LED/LCD display
Smart APP: User-friendly operation and monitoring

Document & Download

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Download ELS4K

Brochure
User manual
Certification

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