JV-series | 3kW–8kW

Off-grid Solar Inverter
Transformer-basedHigh PV Input
JV-series 3kW–8kW Off-grid Solar Inverter with Transformer-based, High PV Input | Techfine product

Main Feature

  • Low no-load loss, less than half of the high-frequency machine with the same power
  • Pure sine wave output, can adapt to different loads
  • Output short-circuit protection function
  • Multiple parameters can be adjusted according to user needs
  • Built-in MPPT can reach 245V, 100A
  • Standard BMS communication function
  • Standard RS232 communication function

Product Details

Full-Capacity Pure Sine Wave Output

Delivers true full-rated power with pure sine wave output for stable operation and reduced wear on electrical devices.

High Current Charging with Built-in MPPT

100A charging and efficient MPPT control improve solar conversion efficiency and help protect and extend battery lifespan.

HD Display — Clear & Easy Operation

Equipped with an HD LED display for viewing system status and adjusting parameters with ease.

Toroidal Transformer — High Overload & Low Loss

Low no-load loss, strong anti-interference performance, and high overload capability for durable, reliable operation.

Versatile Application Compatibility

Supports a wide range of household appliances including computers, TVs, air conditioners, and refrigerators.

Suitable for Various Scenarios

Widely compatible, energy-efficient, and practical for multiple usage environments with unrestricted power output.

Technical Specifications

MODELJV3824AM8VJV5048AM8VJV6348AM8VJV10048AM8V
Rated output power3000W4000W5000W8000W
Power Input220VAC (standard) / 110VAC (customized)
Input voltage range220V model: 154-264VAC±3V (normal mode) 185-264VAC±3V (UPS mode)
\110V model: 77-132VAC±3V (normal mode) 92-132VAC±3V (UPS mode)
Input frequency50/60Hz±5%
OUTPUT
Output voltage under AC powerThe output voltage under AC power is the same as the input voltage
Output frequency under AC powerThe output frequency under AC power is the same as the input frequency
Output voltage under inverter mode220VAC±10% (110VAC±10%)
Output frequency under inverter mode50HZ or 60HZ±1%
Output waveform under inverter modepure Sine Wave
BATTERY & CHARGER
Battery TypeExternal lead-acid battery or water battery or lithium battery
Battery voltage24VDC48VDC
Battery charging voltage27.4VDC54.8VDC
PV INPUT
Maximum PV array power2700W5400W
PV input voltage range(MPPT)30-245VDC60-245VDC
Optimal Vmp operating range30-170VDC60-170VDC
Maximum photovoltaic open-circuit voltage245VDC
Maximum solar charging current100A
AC INPUT
Maximum AC charging current63A41A52A83A
EFFICIENCY
Conversion time≤10ms(UPS mode) / ≤20ms(normal mode)
Load peak ratio(MAX)3:1
Standby power (W)16W32W
PROTECTION
Protection functionUnder grid power: input over current circuit breaker protection
Under inverter operation: overload protection, short circuit protection, low voltage protection, battery reverse polarity protection (fuse)
Status displaycolor segment display with LED indicator
view parameters such as AC voltage, AC frequency, PV voltage, PV current, output voltage, output frequency, battery voltage, and load current using the page turning key.
LED displays mains power, charging status, inverter status, and fault status
Audible alertbuzzer produces different alarm sounds based on the fault codes, distinguished by long and short tones
ENVIRONMENTAL PARAMETERS
Operating temperature- 10°C~+50°C
Storage temperature- 15°C~+45°C
Relative temperature- 10°C~90°C non-condensing
Noise<45dB
PHYSICAL PARAMETERS
Machine dimensions(L*W*H)mm535*335*170mm
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