Qoltec Pure Sine Wave Inverter with UPS 12V to 230V 4000W/8000W USB LiFePO4 GEL AGM

Power your off-grid cabin, workshop, or emergency backup system with the Qoltec Pure Sine Wave Inverter. It converts 12V DC from LiFePO4, GEL, AGM, or lead-acid batteries into clean 230V AC power, delivering 4000W continuous and 8000W surge. Built-in UPS with automatic transfer switch ensures seamless switchover to battery power in under 10ms, protecting sensitive electronics from grid outages.

Key specifications

• Pure sine wave output for safe operation of all appliances
• Continuous power: 4000W, peak power: 8000W
• Input: 12V DC, output: 230V AC, 50Hz
• UPS functionality with automatic voltage regulation and battery charger
• Compatible with LiFePO4, GEL, AGM, and lead-acid batteries
• USB-A port (5V, 2A) for charging small devices
• LCD display shows input/output voltage, battery level, and load
• Intelligent fan cooling and comprehensive protections
• Two Schuko (Type F) output sockets

Why choose it

The pure sine wave output is as clean as grid power, so you can run sensitive electronics like computers, medical equipment, and variable-speed motors without risk. The UPS function keeps your critical loads running during power failures, and the wide battery compatibility lets you use the battery type that suits your budget and needs.

Ideal use cases

• Off-grid solar systems for homes, cabins, and RVs
• Backup power for essential appliances during outages
• Mobile workshops and field operations
• Marine and automotive auxiliary power

Good to know

The inverter features overload, overvoltage, undervoltage, overheating, short circuit, and reverse polarity protection. Its efficiency exceeds 90%, and it operates in temperatures from 0°C to 40°C. The AC charger can deliver up to 20A to recharge your battery bank when grid power is available.