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Solar inverter GROWATT SPF3500ES, 3.5kW, 1-phase, 48V battery, 80A MPPT, 450V &#x4; &#x4; Features:&#x4; Multifunction inverter/charger, combining functions of inverter, MPPT 80A solar charger and battery charger to offer uninterruptible power support with portable size.&#x4; No battery is required for this inverter.&#x4; The LCD display allows you to set operating parameters and charger priorities.&#x4; Rated power 3.5kW. Solar panels power up to 4.5kW.&#x4; The maximum PV open circuit voltage is 450V DC and the MPPT voltage is 120~430V DC, allowing full use of solar energy.&#x4; Support parallel operation for capacity expansion up to 30kW, max 6 units.&#x4; Integrated MPPT 80A PV charge controller.&#x4; Combination power supply from solar, AC or battery to ensure continuous power supply. Generator compatibility.&#x4; Configurable power priorities; PV system and grid power the load jointly if solar energy is insufficient.&#x4; Flexibly schedule the Inverter charging and discharging time.&#x4; Support USB, Wi-Fi/GPRS and RS485 monitoring functions.&#x4; Compatible with Internet interface Growatt Shine WiFi-F (sku NV820337).&#x4; &#x4; Technical specifications:&#x4; Battery voltage: 48V DC.&#x4; Rated power: 3500W.&#x4; Surge power: 7000VA.&#x4; Waveform: pure sine wave.&#x4; Battery type: lithium/lead-acid.&#x4; Transfer time: 10ms/20ms.&#x4; Frequency: 50/60Hz.&#x4; PV array open circuit voltage max: 450V DC.&#x4; MPPT voltage range: 120~430V DC.&#x4; Max. solar charge current: 80A.&#x4; PV array power max: 4500W.&#x4; Display: LCD.&#x4; Operating temperature: 0°C~+55°C.&#x4; Dimensions: 330x485x135mm.&#x4; Weight: 11.5kg.&#x4; &#x4; Warranty: &#x4; The warranty of the voltage converter (inverter) is valid from the day when we (the seller) is provided with the serial number of the inverter, the purchase invoice, a certified electrician's certificate about the installed:&#x4; 1) Lightning protection and overvoltage limiter (on the input side)&#x4; 2) Lightning protection (between solar panels and inverter)&#x4; 3) DC voltage switch between panels and inverter&#x4; 4) Dedicate grounding for solar panels separated from grounding of the house&#x4; &#x4; The 2-year (24-month) manufacturer's warranty begins from the day of purchase, but comes into effect only after submission of these documents.&#x4; Note: Lightning strike is not a valid warranty claim, it is classified as insurance claim.&#x4; &#x4; SpecificationsBattery voltage48V DC (Lithium / Lead-acid)Inverter outputRated power3500VA / 3500WParallel capabilityyes, max 6 unitsSurge power7000VAWaveformpure sine waveAC voltage regulation (Battery mode)230V AC +/- 5% @ 50/60HzTransfer time10ms (typical) / 20ms (max)AC chargerCharge current60AVoltage230V ACSelectable voltage range170~280V AC (for PC) / 90~280V AC (for home appliances)Frequency range50Hz / 60Hz (Auto sensing)EfficiencyInverter efficiency (peak)93%Solar chargerMaximum PV array open circuit voltage450V DCMPPT range @ operating voltage120~430V DCNumber of independent MPP trackers1Strings per MPP tracker1Maximum solar charge current80AMaximum PV array power4500WGeneral specificationsDimensions(W*H*D)330*485*135 mmProtection degreeIP20Net weight11.5 kgAltitude < 2000mOperating temperature0°C to 55°CHumidity range (non-condensing)5% - 95%Storage temperature-15°C to 60°C&#x4; &#x4; &#x4;