Read more about the condition New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is applicable). You see the power inverter bit means taking a car power socket and turning it into a real plug, like at home. Built-in 40 amps fuse and full protection against overheating, under and over voltage charging, short-circuiting, overloads, and overcharging, it is safe for you to use in the car.

Provides sine wave output which is more stable and can be applied to the curling iron, hair straightener and the electric toothbrush within 300W designed for your devices.So we need power not only the DC power but also the AC power to juice up electronic devices for mobile fun no matter where we are. A Real Powerful Inverter: BESTEK inverter provides 300 watts continuous DC to AC power and with 2 USB charging ports.

The inverter has an integrated cooling fan that keeps on at all times to cool down the devices when it gets warmer. Works well, very quiet, can't confirm it is a pure sine wave it produces, which is better for running computer equipment off, but have bought bestek before and feel happy with the quality. It’s got 2 USB sockets on the front as a bonus but the real star is that big plug socket on the front. New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging . Compared with the square wave, the waveform of the output voltage of the modified sine wave inverter has a significant improvement, and the content of the higher harmonics is also reduced.If you have valuable or precise devices, you may need a pure sine wave inverter because it provides high-quality, high-efficiency and stable sine wave output, and has high-frequency technology. You really want to put the socket in a hole of a box to protect the connections, though, to avoid a short, as you just brought your battery terminals to within an inch of each other. Dual 110V AC outlets deliver 300W continuous power to your electric appliances under 300W like laptop, TV, game console, DVD/Blu-Ray player, and 2 USB ports can charge mobile devices like cellphones, cameras, etc.