Today we consider a low-power inverter for the car. We transform 12 V DC from a car to "home" 220 V AC.
Immediately I note that the device is small and low-power (as stated by the manufacturer 500 W). Possible usage scenarios:
Razor, laptop, TV, all kinds of charging and stuff like that.
The device comes in a small box with printing:
The pictograms indicate various protection and capabilities of the product.
- From undervoltage
- From high input voltage
- Short circuit
- From overheating
- From polarity reversal
Inside did without additional packaging material:
Cables behind a cardboard partition.
This is due to the price, send the parcel to the world in a kilogram is not cheap.
- 35 cm long crocodile cables
- Cigarette lighter cable 30 cm long
- Adapter adapter for various types of network plugs
- Instructions in English
Adapter for different types of network plugs:
Useful thing, at home a lot of devices with flat forks and even on a trip will always come in handy.
Cables personify the expression "the economy must be economical":
Copper foil crocodiles.
Section 4 square. mm
In the cigarette lighter:
Fuse in the plug is missing. Section 2 square. mm It is understandable, in the "cigarette lighter" is usually a limit of 120 watts.
We got to the appearance of the inverter itself:
It is made in a rectangular aluminum extruded body. Painted in black. The walls are thin, economical.
There is an EU 220 V socket with “curtains” in the holes (there is a version with two 110 V sockets) and a pair of USB 2.1 A ports. A two-color LED indicates the operation, just here.
Two non-magnetic terminals (M8) for connection to the car battery. The forced active cooling fan is visible. Well, the switch, where do without it.
The inner world of the device is beautiful in its modesty:
There is a little buzzer.
Low-voltage mosfets and high-voltage switches:
There are fuses:
USB port board:
Functional check from regulated BP 5 A:
Output voltage is within the stated + - 10%. The claimed efficiency is 85%. Protection against short circuits and pereplyusovki works.
The device operates in the range of 10-16 V:
USB port is not bad:
When both ports are working - then the output is 2 A.
Lamp to check:
The device beeps when working. The fan turns on properly, the case is not hot.
Check the battery of the car:
Works, at the same time from the network consumes grinding machine 330 W:
It makes no sense to connect a more powerful power tool, the inverter will go into protection. 300 W pulls and well, more for low-power devices and not necessary (to charge the laptop and watch the telly just enough).
For a sweet look at the output signal of 220 V:
Such a modified sine is the expected meander:
Now we come to the main point: does an ordinary motorist need him (home-work-dacha with mother-in-law on weekends)? More likely no than yes. Tourists, travelers probably need a more powerful model.
Thank you for watching. Enjoy the shopping!