• A blue Sungold Power LFPU series split-phase inverter charger, vertically mounted with a digital display and control panel, offers multiple bottom ports and advanced MPPT functionality.
  • Sungold Power Blue 18KW 48V pure sine split-phase inverter features a display screen, smart remote, AC output of 18000W, MPPT, AC charger (95±5A), and 50/60Hz—perfect for home and office use.
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  • A blue Sungold Power split-phase inverter charger with MPPT is wall-mounted above a microwave, water dispenser, fan, and printer. Text highlights its 18000W AC output, smart remote control support, and advanced power features.
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Sungold Power 18,000W 48V Split Phase Pure Sine Wave Inverter Charger

SKU: LFPV18K48V240VSP
Availability: In stock
$3,950.00
$4,500.00 $3,950.00
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48V Split Phase Inverter Charger · 18,000W

Sungold Power 18,000W 48V Split Phase Pure Sine Wave Inverter Charger

The Sungoldpower 18000W 48V split-phase inverter is purpose-built to power entire households, office spaces, or large RVs, making it ideal for use with renewable solar energy and as an off-grid backup power supply for homes and businesses.

18.0KWContinuous Output
54.0KWSurge Rating (20s)
100±5AAC Battery Charger
10msTypical Transfer Time
At dusk, a modern house showcases the Sungold Power 18,000W 48V Split Phase Pure Sine Wave Inverter Charger in operation. This Sungold Power inverter features impressive surge capacity, automatic generator start (AGS), an integrated battery charger, built-in auto-transfer switch, UPS functionality, and selectable AC or battery priority for effortless and seamless power management.
Highlights

Highlights

Smart Remote Control Automatic Generator Starting (AGS) Support for Solar Panels with MPPT Function Compatibility with Different Kinds of Batteries
Overview

Built for Whole-Home & Business Backup

This robust inverter requires a 240VAC input and can deliver versatile output options of 110/120VAC or 220/230/240VAC to accommodate various appliances.

Equipped with a UPS function, this inverter charger ensures uninterrupted power supply to run household electric devices. Its internal transfer switch automatically connects selected devices to the backup power source during power outages, ensuring seamless operation without disruption.

Versatile power source for refrigerators, freezers, microwaves, dryers, air conditioners, pumps, and various other household and commercial appliances.

Features

Full Feature List

  • Built-in 100 amp battery charger utilizes AC power from the grid or generator to recharge diverse battery banks.
  • Low frequency inverter with high-quality construction, offering optimal performance for your 48V home system.
  • 18KW split-phase pure sine inverter charger with DC 48V input and AC 240V input, offering AC output of 120V/240V.
  • Auto generator start (AGS) functionality for automated power generation initiation.
  • Support for solar panels with MPPT function, enhancing efficiency in solar power utilization.
  • Includes battery temperature sensor (BTS) and remote control for added convenience and monitoring.
  • Compatibility with 8 kinds of battery voltage selection, including lithium LiFePO4, gel, AGM, and lead-acid batteries.
  • Compatible with all kinds of home and office appliances, ensuring versatile usage scenarios.
  • Powerful charge rate of up to 120Amp, with selectable rates ranging from 0% to 100%.
  • Built-in transfer switch for seamless transition between battery charge, backup, or off-grid power solutions.
  • AC/Battery priority mode designates the inverter-preferred UPS configuration, ensuring continuous power supply.
  • 4-step intelligent battery charging and PFC (Power Factor Correction) for charger efficiency.
  • 8 ms typical transfer time between utility and battery, ensuring uninterrupted power continuity.
  • 15s delay before transfer when AC recovers, providing protection for load when used with a generator.
Product terminals on two blue Sungold Power 18,000W 48V Split Phase Pure Sine Wave Inverter Chargers by Sungold Power are clearly labeled with numbers and detailed descriptions for connections such as DC/AC terminals, fans, switches, sensors, circuit breakers, grounding points, and remote ports. These robust inverter chargers feature multiple connection ports, efficient fans for cooling, and intuitive control panels to ensure easy operation.
In The Box

What's In The Box

  • •18000W 48V Split Phase Pure Sine Wave Solar Power Inverter
  • •English Manual
  • •Remote Control
  • •BTS Cable
  • •Unit Weight: 204.5 lbs
  • •Unit Size: 28.34 × 15.35 × 9.03 in
  • •Shipping Weight: 233.7 lbs
  • •Shipping Size: 34.64 × 21.65 × 16.53 in
Data

18,000W Pure Sine Wave Inverter Specifications

Output & Waveform

Continuous output power 18.0 KW
Surge rating (20s) 54.0 KW
Output waveform Pure sine wave
AC output voltage 120V and 240V
Output frequency 50Hz / 60Hz
Typical transfer time 10ms (max)
Power saver on idle consumption 50 W
Power saver off idle power 270 W

AC Input

AC input voltage 240V (not 120V)
AC input range 184–253Vac / 140–270Vac
Nominal input frequency 50Hz or 60Hz (auto-detect)
Input voltage waveform Pure sine wave (grid or generator)

DC Battery & Charging

DC battery voltage 48 Vdc
Nominal input voltage 48.0 Vdc
AC battery charger 100 ± 5 A
Charger breaker 100 A
Minimum start voltage 40.0 / 42.0 Vdc
Low battery alarm 42.0 / 44.0 Vdc
Low battery trip 40.0 / 42.0 Vdc
High voltage alarm 64.0 Vdc

Battery Protection Thresholds

Low battery voltage recovery 62.0 Vdc
Battery initial voltage for start-up 40–62.8V
Over charge protection shutdown 62.8 V
Over charge disconnection 59.2 V
Over charge recovery 54.4 V
Over discharge disconnection 43.2 V (default)

Solar Charging

Solar charger current 40 Amp
Rated charge current 40 A
Solar input voltage range 60–100 Vdc
Max. PV open circuit array voltage 105 Vdc
Diagram showing a solar energy system: solar panels on a house connect to the Sungold Power 18,000W 48V Split Phase Pure Sine Wave Inverter Charger by Sungold Power, along with an MPPT controller, battery storage, and the AC grid, efficiently powering home appliances.
Use Cases

Where It Fits

Whole Households Office Spaces Large RVs Off-Grid Backup Business Backup Power
Additional Documentation

Documents & Downloads

LF-PV Series Pure Sine Wave Inverter User's Manual

Also available bundled with 4× 48V 100Ah lithium batteries for a complete power solution.

Shipping information

Free shipping on all orders within the mainland US (Hawaii, Alaska and overseas territories excluded - a freight forwarder is required). Orders are confirmed by email immediately; we verify stock with the supplier before your card is charged. In-stock items ship within five business days, with tracking emailed within 24 hours of shipment. Typical lead time from purchase to delivery is 5-10 business days; freight transit is usually 4-6 business days. Minimum order value is $69.

  • Carriers: FedEx, UPS, USPS, Estes, Roadrunner.
  • Freight deliveries to locations an 18-wheeler cannot reach, islands, or ferry/train access may incur additional carrier charges - tell us about access limits before ordering.
  • Refunds are not available for orders shipped to an incorrect address entered at checkout.
  • Questions: +1 (307) 317-7213 or hello@ecosolarkits.com, Mon-Sat 9:00 AM - 8:00 PM EST.

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Return and refund policy

You have 30 days from the delivery date to initiate a return (35 days for orders placed Nov 25-30 and Dec 25-31). Items must be unused, in original packaging with tags attached, and returns require prior authorization from our team.

  • Damaged on arrival or wrong item: contact us within 24 hours of delivery (photos help) - we cover return shipping and issue a full refund or replacement.
  • Manufacturing defects: covered under the manufacturer's warranty - contact us for guidance.
  • Changed your mind: return shipping is the customer's responsibility and a 25% restocking fee may apply.
  • Cancelling before shipment: a 3% deduction covers platform fees.
  • Refunds are processed to the original payment method within approximately 10 days of the return being received and inspected.

To start a return: +1 (307) 317-7213, hello@ecosolarkits.com, or live chat. Read the full return and refund policy