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Compact modified sine wave inverter with cigar lighter plug and USB port

All Power Supply

All Power Supply SAM-450-12 Modified Sine Wave Power Inverter 12 VDC 450 Watts

SKU CH-DDN8-E9CGH

Converts 12 VDC to 115 VAC at 60 Hz with 450 W modified sine wave output, USB charging port and full protection circuits

  • Converts 12 VDC to 115 VAC for mains-powered devices
  • 450 W continuous output runs multiple appliances simultaneously
  • USB port supplies 5 VDC at 500 mA for phones and tablets
  • Built-in protection covers thermal, overload, short-circuit and earth-fault events
  • Compact 151 × 154 × 56.5 mm design with cigar lighter plug for mobile use

Modified Sine Wave Inverter for 12 VDC Systems

The All Power Supply SAM-450-12 converts 12 VDC battery power into 115 VAC at 60 Hz using a modified sine wave topology. It delivers a continuous 450 W output suitable for service vehicles, mobile offices, boats, recreational vehicles and field work sites. A 5 VDC 500 mA USB charging port is built in and a cigar lighter plug is included for quick connection. The compact enclosure measures 151 x 154 x 56.5 mm.

Sustained Load Behaviour with Protection Circuits

A load-controlled cooling fan activates only when thermal conditions require it, keeping the surface cool during extended operation. Universal protection circuits guard against thermal events, battery undervoltage, overload, short circuit and earth fault conditions. Soft start technology limits inrush current when equipment is switched on. Power save mode reduces idle draw when no AC load is present.

Upgrade from Lower Capacity or Basic Inverters

This unit replaces smaller inverters that cannot sustain 450 W or lack comprehensive fault protection. The jump is worthwhile when you need simultaneous AC outlets and USB charging for home electronics such as TVs, computers, printers and monitors in mobile or backup scenarios. It is not for installations requiring pure sine wave output for sensitive medical or precision audio equipment. Nor for systems demanding higher continuous wattage than 450 W.

Highlights

  • Converts 12 VDC to 115 VAC for mains-powered devices
  • 450 W continuous output runs multiple appliances simultaneously
  • USB port supplies 5 VDC at 500 mA for phones and tablets
  • Built-in protection covers thermal, overload, short-circuit and earth-fault events
  • Compact 151 × 154 × 56.5 mm design with cigar lighter plug for mobile use

Specifications

BrandAll Power Supply
ModelSAM-450-12

Questions about this item

How loud and hot does the SAM-450-12 get when running continuously?

The load-controlled cooling fan runs only when needed, and cool-surface technology keeps the case temperature down during extended use.

What must I already have to use the SAM-450-12?

You need a 12 VDC battery source and devices that accept 115 VAC at 60 Hz; the inverter includes a cigar-lighter plug for quick connection.

Will the modified sine wave output of the SAM-450-12 work with older sensitive electronics I still use?

Low-interference technology reduces noise, but modified sine wave may not suit some older medical equipment or precision instruments.

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