Generally speaking, the input voltage of the charger for mobile phones and other devices is 5 volts. ... A charging head equipped with this input voltage is sufficient. However, not all batteries used in electrical appliances have a 5-volt input at the charging end, and there may be other input voltage indicators. Therefore, according to the technical parameters of the standard charger to choose the charger that matches it is the most correct choice.
has indicated that the input is 5V2A, that is, 10W charging headIn, output 5V1A, output 5W. Charging is slow.
Wireless charger does not have to use the original charging head, as long as the interface is consistent, the voltage is the same, the current is the same or greater than the original charging head can be matched, the voltage and current parameters can be obtained from the wireless charger nameplate.
1, wireless charging power depends on two aspects, namely distance and efficiency. Distance affects the power of wireless charging, the closer the distance, chargeThe higher the power of the electricity, the greater the distance, the lower the power. Efficiency also determines the power of wireless charging. Efficient wireless charging can be comparable to wired charging, while inefficient charging cannot meet the needs of users. Therefore, efficient wireless charging technologies will promote market success, while inefficient ones will not.
2, in the range of ravg 0~ 0.08m, the output power increases first and then decreases with the increase of coil turns; In the range of ravg 0.08~ 0.4m, the output power decreases first and then increases and then decreases with the increase of coil turns. For a fixed operating frequency, qualityThe factor Q mainly depends on the shape and size of the coil and the material used. Standard coil technologies (such as wire winding coils and PCB coils) generally specify quality factor values.
3, the current mainstream wireless charging power standard is 10W, corresponding to the 5V2A charging specifications. The wireless charging power supported by Apple phones is also generally in line with this standard. Some devices may support lower power, such as 5V5A, corresponding to a 5W charge rate. In contrast, the power of wired charging is usually around 18W, and the speed of wireless charging is indeed slower.
4, wireless chargingWhat are the parameters related to the charging power of electrical technology? At present, the wireless charging distance of the QI standard is 8mm, and the charging power is 5W. However, some separately developed wireless charging standards can reach 20W. LG phones do not currently support wireless charging technology.
5, the main difference between PLA and Qi, which are also electromagnetic induction, is that PLA uses existing accessories to make a fuss on the battery, so every mobile phone can achieve wireless charging through PLA, and Qi is directly integrated in the mobile phone.
6Click Settings. On the phone's Settings screen, we tap the battery. In the battery Settings screen, we tap Battery Health. In the battery health screen, we turn on the wireless charge switch. Just put your phone on and start charging.
3. In the Control center interface, swipe left to the last page. Click the Edit button. Click the wireless reverse charging button. When the button turns blue, it is on.