Rated power
Power that a device can consistently produce for an indefinitely long time without any unpleasant consequences. For normal operation of the charging station, the rated power must be at least 15 - 20% higher than the total power of all devices simultaneously connected to it.
Peak power
Some electrical appliances (in particular, units with electric motors - refrigerators, air conditioners, etc.) consume significantly more energy at startup than after reaching the operating mode. For such a load, the peak power of the charging station must be taken into account - its indicator must be higher than the starting power of the load.
Sockets (230 V)
Total number of outlets with output voltage. This is, in fact, the number of devices that can be simultaneously connected to the charging station without the use of splitters, extension cords and carriers. Accordingly, weaker charging stations have
one or
two sockets in their submission.
Powerful charging stations already have three or
more sockets “on board”.
USB A
Full-size USB A connectors are popular in computer technology, they are standardly used in adapter chargers for 230 V household networks and 12 V auto sockets. In charging stations, such outlets are widely used for charging gadgets.
- The total number of such ports can be very diverse (
1 USB,
2 connectors,
3 ports and even
4), since it allows you to connect for charging, and in some cases for power, various low-power devices -
smartphones,
tablets,
power banks,
lamps, etc. .
- The strength of the power. The maximum power output through the USB A connector to the device being charged. Note that different ports of the charging station can output different power (for example, 1.5 A and 2.1 A). In this case, the highest power strength is usually indicated.
— Power. The maximum
output power in watts (W) that the charging station is capable of delivering through the USB A connector to one charging device.
USB type C
USB type C ports are smaller than classic USBs, and they also have a convenient reversible design that allows you to connect the plug in either direction.
USB type C was originally designed to be able to implement various advanced features: increased power supply, fast charging technologies, etc.
Since the port is relatively new and quite powerful (there are
USB type C with a power of 60 W and even
100 W), the total number of such connectors is often limited to
1 port, less often
two).
- The strength of the power. The maximum power output through the USB type C connector to a charging device. Note that different ports of the charging station can output different power (for example, 1.5 A and 2.1 A). In this case, the highest power strength is usually indicated.
— Power. The maximum power in watts (W) that the charging station is capable of delivering to one rechargeable gadget. The high output power of the USB type C port allows you to speed up the charging process. However, the appropriate power must be supported by the device being charged - otherwise the speed of the process will be limited by the characteristics of the gadget.
DC output
The presence of a DC connector (or several such outputs) in the device to power external gadgets with direct current. The standard DC jack is round and has a pin in the center. However, its dimensions may differ in depth and diameter. The voltage output to the
DC output may be different. The most popular options are 18 - 20 V for powering laptops, 12 V for various specialized devices and automotive electrical accessories.
Add. ports
Additional input connectors provided in the design of the charging station in addition to those described above.
Battery capacity
Nominal
battery capacity, in fact - the amount of energy that is supposed to be stored. The larger it is, the longer the battery life of the charging station will be, all other things being equal. On the other hand, this parameter also affects the dimensions, weight and price of the battery, despite the fact that an energy-intensive battery is not always required. By the indicator of capacity in watt-hours, you can compare batteries with each other.
Charging time (cigarette lighter) ≈
The time required to fully (from zero to 100%) charge the battery, provided that power is supplied to the charging station from the car's cigarette lighter socket (12 V).
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