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SunGold Power 18kW 48V Split Phase Solar Inverter Charger – Pure Sine, 120V/240V

$4,250.00
$3,950.00
$4,250.00
$3,950.00
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We offer free shipping across the United States, with orders processed within 1–2 business days and delivered in about 4–7 business days. Every order comes with tracking and insurance, and our team is here to help if your package is delayed, lost, or arrives damaged. Returns are accepted within 30 days, with no cost for return shipping. Please ensure your shipping address is accurate to avoid delays. Refer to full policy here.

What is your Return Policy?

We accept returns within 30 days of delivery if items are unused, undamaged, and in their original packaging. Return shipping is free, and refunds are processed within 7 days after inspection to your original payment method. Defective, damaged, or incorrect items will be replaced or refunded at no cost, while change-of-mind returns may incur a restocking fee. Some items (custom, perishable, intimate goods, gift cards, software) are non-returnable. Refer to full policy here.

The SunGold Power 18kW 48V Split Phase Solar Inverter Charger delivers reliable off-grid or backup power for residential and commercial systems. Featuring pure sine wave output, dual 120/240V split phase, and advanced battery charging technology, this inverter is built for high-demand applications.

Key Features

  • Massive 18kW continuous output – handles whole-home or business loads

  • Split phase 120V/240V output – compatible with standard U.S. appliances

  • High surge capacity (54kW for 20s) – supports heavy startup loads

  • MPPT solar charge controller (80A) – efficient solar input management

  • 100A AC battery charger – rapid charging from the grid or generator

  • Auto Generator Start (AGS) – seamless backup integration

  • AC & battery priority modes – UPS-style configuration flexibility

  • 4-step intelligent battery charging with PFC correction

  • 8 selectable battery types – supports LiFePO4, lithium, AGM, gel, and lead-acid

  • 8 ms transfer time – ensures continuity when switching between power sources

  • Includes remote control & battery temperature sensor (BTS)

Specifications

  • Continuous Power: 18kW

  • Surge Rating: 54kW (20s)

  • Output Waveform: Pure sine wave

  • AC Output Voltage: 120V / 240V split phase

  • AC Input Voltage: 240V

  • Battery Voltage: 48V DC

  • Solar Charger Current: 80A

  • AC Charger Current: 100A ±5A

  • Frequency: 50Hz / 60Hz (auto-detect)

  • Transfer Time: 8–10 ms typical

  • Dimensions: 28.7 × 16.5 × 8.7 in

  • Weight: 197 lbs (232 lbs shipping)

Package Includes

  • SunGold Power 18kW 48V Split Phase Solar Inverter Charger

  • Remote control

  • Battery temperature sensor (BTS)

  • User manual

Warranty

  • 12–36 month limited warranty (depending on product series)

  • Covers original purchaser only

  • Excludes misuse, modification, or unauthorized repair

  • SunGold Power provides replacement parts or units under warranty

FAQ

Does it work with lithium batteries?
Yes – supports LiFePO4 and other lithium chemistries.

Can this be connected to a 3-phase system?
No – it provides dual phase 120V and 240V output only.

Can two units be paralleled for more capacity?
No – this inverter cannot be paralleled for higher output.

User Manual

📑 Download the LF-PV Series Pure Sine Wave Inverter User Manual (PDF)

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