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SunGold Power 4000W 48V Split Phase Pure Sine Inverter Charger – Low Frequency, Off-Grid

$1,140.00
$1,040.00
In stock
$1,140.00
$1,040.00
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The SunGold Power 4000W 48V Split Phase Pure Sine Inverter Charger is a durable low-frequency inverter designed for off-grid homes, cabins, RVs, trailers, and small businesses. It provides split-phase 120/240V output, includes a 40A AC battery charger, and features an integrated transfer switch for seamless switching between shore power and battery power.

With 4kW continuous output and 12kW surge capacity, this inverter is ideal for powering essential appliances and tools in a reliable off-grid setup.

Key Features

  • All-in-one unit – inverter, 40A charger, and transfer switch

  • Split-phase 120V/240V output – supports U.S. residential loads

  • 4,000W continuous / 12,000W surge (20s) – runs appliances and tools, up to 16A output

  • AC charger with adjustable current – 0–100% selectable, multi-stage charging

  • Compatible with 9 battery types – LiFePO₄, lithium, AGM, gel, flooded, and custom settings

  • LCD display & remote control – for monitoring and configuration

  • Automatic Generator Start (AGS) support

  • Low idle consumption – 19W (power saver on), 48W (power saver off)

  • Fast transfer time (~10 ms) – ensures smooth power transition

Specifications

  • Continuous Output: 4,000W

  • Surge Power: 12,000W (20s)

  • Battery Voltage: 48V DC

  • AC Output: 120V & 240V split phase

  • AC Input Voltage: 240V

  • Charger Current: 40 ±5A

  • Transfer Time: 10 ms typical

  • Efficiency: >88%

  • Idle Consumption: 19W (saver on) / 48W (saver off)

  • Unit Size: 22 × 9.1 × 7.5 in

  • Unit Weight: 55 lbs (64 lbs shipping)

What’s Included

  • SunGold Power 4000W 48V Split Phase Inverter Charger

  • Remote Control

  • Battery Temperature Sensor (BTS)

  • English Manual

Warranty

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

  • 30-day return policy – Sungold covers shipping if defective, damaged, or incorrect

  • Warranty applies only to the original purchaser; excludes misuse or unauthorized modification

FAQ

What’s the AC output amps?
16A total; at 120V split, each leg supports up to 2,000W.

What’s the maximum charging voltage?
62.8V (with overcharge shutdown protection).

Can it charge a Nissan Leaf battery bank?
Only if the total voltage does not exceed 48V and the proper selector switch is set per the manual.

User Manual

📑 Download the SunGold Power LFP Series Pure Sine Inverter/Charger User Manual (PDF)

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