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The Renogy 3500W 48V Pure Sine Wave Solar Inverter Charger combines several key parts of an off-grid power system in one enclosure, making it a strong fit for RV backup power, boat trips, and off-grid setups. Inside are a 3500W pure sine wave inverter, an 80A MPPT solar charge controller that accepts up to 150V, and a 40A AC charger, all working with a 48V battery bank.

It delivers a steady 3.5kW of clean AC power and can surge to 7kW to start motors, pumps, and other inductive loads. When AC or solar charging drops out, its UPS function switches over in about 10ms, helping sensitive electronics ride through the change. Idle draw is 48W, falling to just 25W in Power Saving Mode, and an EcoSleep Mode helps conserve energy further when demand is low.

The unit supports all common 48V battery chemistries, including AGM/sealed, gel, flooded, and lithium, and it carries UL 458 and UL 1741 listings. This listing is for the inverter charger on its own, without batteries.

What's in the Box

  • 1 x 48V 3500W Solar Inverter Charger
  • 1 x Remote

Inverter

  • AC Max Rated Power: 3500W
  • Peak Surge: 7000W
  • Output Waveform: Pure Sine Wave
  • Output Voltage: 120VAC (100VAC–120VAC, 5VAC increments)
  • Input/Output Frequency: 50/60Hz
  • Power Factor: 1
  • Peak Efficiency: >95%
  • Transfer Time (Bypass/Invert): 10ms typical

AC Charger

  • Input Voltage: 120VAC
  • Input Voltage Range: 85VAC–140VAC
  • Max AC Charging Current: 40A

Solar (MPPT)

  • Max PV Input/Output Power: 4400W
  • Max PV Charging Current: 80A
  • Max PV Input Voltage: 150V
  • Max PV Input Current: 50A
  • MPPT Voltage Range: 60–120V

Battery

  • Nominal Battery Voltage: 48V
  • Battery Voltage Range: 40–60V DC
  • Max Battery Charging Current: 120A (adjustable)
  • Battery Type: Lead acid or lithium

Physical & Environmental

  • Operating Temperature: 5°F to 131°F / -15°C to 55°C
  • Storage Temperature: -4°F to 140°F / -20°C to 60°C
  • Humidity: 5%–95%
  • Cooling: Fans with 3-layer paint protection
  • Dimensions: 17.51 x 12.99 x 4.88 in / 444.8 x 330 x 124 mm
  • Weight: 22.38 lbs / 10.15 kg

Certifications

  • Certifications: UL STD. 458, 1741; FCC Part 15 Class B; CSA STD. C22.2 No. 107.1

  • 3500W continuous pure sine wave output with 7000W peak surge
  • All-in-one design with an 80A/150V MPPT solar controller, 3500W inverter, and 40A AC charger
  • UPS switchover in about 10ms when AC or solar charging fails
  • Low 48W idle draw, dropping to 25W in Power Saving Mode
  • EcoSleep Mode for additional energy savings
  • Compatible with 48V AGM/sealed, gel, flooded, and lithium batteries
  • Up to 4400W of solar input

What battery voltage does this inverter charger require?
It is designed for a 48v nominal battery bank, with a battery voltage range of 40–60v dc.
How much solar can i connect?
The built-in mppt controller handles up to 4400w of pv power, a maximum pv input voltage of 150v, and up to 50a of pv input current, with an mppt voltage range of 60–120v.
Can it start motors and other high-surge loads?
It provides 3500w continuous output with a peak surge of 7000w for inductive loads.
What happens if grid or solar charging fails?
Its ups function switches over in about 10ms typical.
Which battery types are supported?
48v agm/sealed, gel, flooded, and lithium batteries.
Does this listing include batteries?
No. this listing is for the inverter charger only; it ships with the unit and a remote.

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