SunGold Power 4000W 12V Split Phase Pure Sine Inverter Charger – Low Frequency, Off-Grid

The SunGold Power 4000W 12V Split Phase Pure Sine Inverter Charger is a heavy-duty power solution for off-grid homes, cabins, RVs, trailers, and small businesses. Designed for 12V battery banks, it combines a 4,000W low-frequency inverter, 120A AC charger, and automatic transfer switch into one compact unit.

It provides split-phase 120V/240V AC output, making it ideal for U.S. household and business loads, and handles surge demands up to 12,000W.

Key Features

• All-in-one design – inverter, charger, and transfer switch

• 4kW continuous / 12kW surge (20s) – handles motors and appliances with ease

• Split-phase 120V/240V output – runs standard residential and commercial equipment

• Built-in 120A AC charger – adjustable 0–100%, with 9 battery type settings

• Works with LiFePO₄, lithium, AGM, gel, flooded, and custom 12V battery banks

• Low idle consumption – 18W (saver-on), 45W (saver-off)

• LCD display + remote control – simple operation and monitoring

• Fast transfer time (~10 ms) – protects connected loads during power changeover

• Automatic Generator Start (AGS) ready

Specifications

• Continuous Output Power: 4,000W

• Surge Rating: 12,000W (20s)

• Battery Voltage: 12V DC

• AC Output Voltage: Split-phase 120V / 240V

• AC Input Voltage: 240V

• Charger Current: 120 ±5A

• Transfer Time: ~10 ms

• Efficiency: >88%

• Idle Consumption: 18W (saver-on) / 45W (saver-off)

• Unit Size: 25.6 × 9.1 × 7.5 in

• Weight: 58.9 lbs (67.9 lbs shipping)

What’s Included

• SunGold Power 4000W 12V Split Phase Inverter Charger

• Remote Control

• Battery Temperature Sensor (BTS)

• English Manual

Warranty

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

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

• Warranty limited to original purchaser; excludes misuse or unauthorized modification

FAQ

What’s the idle wattage?
18W (saver-on), 45W (saver-off).

Can this work with other inverters (e.g., Enphase microinverters)?
No – this model is not stackable and cannot operate in parallel with other inverters on the same grid.

Does the charger work with 120V input?
No – the AC input is 240V only. Output is split-phase 120V / 240V.

User Manual

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

⚡ The SunGold Power 4000W 12V Split Phase Inverter Charger is the perfect off-grid solution for 12V battery systems, offering split-phase power, smart charging, and high surge capacity in one durable package.