All-in-one Inverter Energy Storage System

Name: "All-in-one Inverter Energy Storage System"
Rating: 5 (282 reviews)

SKU: 2606566467

модель: KJ-4.2KW-8KWH

KangJun Energy

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Product Specification

Type	Home All-in-one Energy Storage System	Model	KJ-4.2KW-8KWH
Params	Model: KJ4.2KW/8KWh AC Input Rated Input Voltage: 230 VAC Voltage Range: 90~280±3V (normal mode); 170~280±3V (UPS mode) Frequency: 50 / 60Hz (Auto Adaptive) AC Output Rated Power: 4.2kW Peak Power: 8.4kW Output Voltage: 220 / 230V±5% Power Factor: 0.6~1 Frequency: 50/60Hz±0.1% Transfer Time: 20ms Output Waveform: Pure Sine Wave Overload Capacity (Battery Mode): 5s@≥140% load, 10s@100%-140% load Max Efficiency: 94%@48VDC Charger Solar Charging Type: MPPT PV Input Current / Max PV Power: 27A / 6200W PV Voltage Range: 60~500Vdc PV Open Circuit Voltage Max: 500Vdc PV Charging Voltage: 120Vdc Mains Charging Current: 120A Max Charging Current: 120A Battery Rated Battery Voltage: 25.6VDC Rated Energy: 8KWh (0.5C, 25℃) Usable Energy (90% DOD): 7.2KWh Max Charge / Discharge Current: 150A / 150A Operating Voltage Range: 22.0Vdc ~ 29.2Vdc Operating Temperature: -10℃ ~ +65℃ General Information IP Rating: IP21 Operating Temperature: -10℃ ~ 50℃ Relative Humidity: 5% ~ 95% (Non-condensing) Storage Humidity: 5% ~ 95% (Non-condensing) Max Operating Altitude: 4000m (Derating above 1000m) Battery Pack Net Weight: 75.2kg Battery Pack Dimension: 780520275mm	Material	Main Material: Lithium Iron Phosphate cathode, graphite anode, steel/aluminum housing,LiFePO4 cells
Applicable Industry	Residential solar; small-commercial energy storage; off-grid homes, farms and sites; shops, clinics and small offices.

Feature

1. All-in-one hybrid energy storage system integrating inverter, MPPT controller and LiFePO4 battery, ideal for residential solar backup. 2. 4.2kW continuous output & 8.4kW peak power, pure sine wave output to safely power household sensitive loads. 3. Supports both grid charging and solar MPPT charging, high PV input up to 6200W for fast solar charging. 4. UPS fast transfer function, automatically switches to battery power during grid outage for uninterrupted power supply. 5. Built-in LiFePO4 battery, 8kWh capacity, 7.2kWh usable energy at 90% depth of discharge. 6. Intelligent BMS for real-time battery monitoring, supports peak shaving and valley filling to cut electricity bills. 7. Wide working temperature range, IP21 protection, reliable performance for home off-grid and backup power scenarios. 8. Multiple layers of safety protection, low-voltage battery design, flame-retardant structure for safer household use.

KJ-4.2KW-8KWH

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