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Three adapter conditions in the selection of a 24w power adapter

Three adapter conditions in the selection of a 24w power adapter

As the functions of smart devices continue to increase, their power consumption also begins to be faster and faster. People are getting used to carrying around portable chargers or power adapters. For many people, the concept of a power adapter only stays in the charger stage, but in fact, the power adapter is a kind of transformer which is widely used in chargers. Those unfamiliar with power adapters often face the question of what kind of power adapter to use for charging.

Power adapters come with a wide variety of parameters, so you can't just use them to charge at random. Before choosing the right 24w power adapter, you must first determine three conditions.

First, the interface of the adapter matches the device;
Second, the output voltage must be the same as the rated input voltage of the load, or the load can withstand the voltage range, otherwise, it may burn the load;
Third, the output current of the power adapter shall be equal to or greater than the load current to provide sufficient power;
The following three adaptive conditions are analyzed.

Second, do not plug the mismatched interface without professional knowledge, or it will be dangerous.
Second, for why the voltage needs to be consistent, from the principle because -- insufficient voltage is not enough to drive the load and the battery can not be charged normally, that is in short supply.

Third, as for why such a current configuration is needed, it involves the principle of the circuit. As we all know, the power supply has internal resistance, and the greater the internal resistance, the greater the loss. Therefore, the manufacturer will determine that the no-load output voltage is within a certain range according to the internal resistance when producing this adapter, and the current critical value corresponding to the voltage critical value is the current nominal value we see. The larger the current nominal value is, the better the carrying capacity of the adapter will be. So instead of harming the battery, choosing an adapter with a slightly higher current will make charging faster.

24w power adapters:
24W Plug-in Passive Gigabit PoE injector
24W AC-DC Level VI Efficient Power Adapter With DC Cord
24W IEEE 802.3af Standard PoE Spliter
24W AC/DC Constant Voltage LED Driver Power Supply
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