For a charger with a fixed voltage output, the DC resistance on the output side can be larger, within 1 ohms, and up to 5 ohms. For the three-stage type, the DC resistance of the wire is smaller, the wire is long, and the battery is charged for more than 10 hours.
No, now there are Bluetooth feature phones can be charged without a line, because the market has a Bluetooth charger.
Therefore, it is best to charge according to the standard time and standard method, especially notFor more than 12 hours of ultra-long charging. Usually, the charging method described in the mobile phone manual is the standard charging method suitable for the mobile phone. In addition, lithium battery mobile phones or chargers will automatically stop charging after the battery is full, and there is no so-called "trickle" charging of nickel electric chargers that lasts for more than 10 hours.
Electromagnetic induction wireless charging, when the current of the power supply through the coil (wireless charger's power supply coil) will generate a magnetic field, other unenergized coil (mobile phone side of the electric coil) close to the magnetic field will generate current, charging the mobile phone. Advantages of wireless charging Safety: no power contact design,What are the long mobile power supplies?
1, mobile power quality good brand: Rome Shi, black cat bit, Pinsheng, Beijing Tokyo made, YOUMAKER. Romas can be compatible with a variety of different charging protocols, better for different devices fast charging. Two thousand mah large capacity battery, durable business travel do not worry about the lack of power. It can be compatible with a variety of different charging protocols, and better charge different devices quickly.
2, the first factor that affects the life of the mobile power supply is the battery cell. At present, the battery cell of the mobile power supply is generally 18650 or polymer. inIn many manufacturers' product reports, it is indicated that it is about 500 times, and one represents a charge and discharge cycle.
3, millet mobile power 5000mAh: This product is mainly thin and light, only 9mm, can be directly put into the shirt pocket. Accompanying out, basically can be the current mainstream mobile phone full of a charge, provide more than one day of battery life, if only temporary out, it is enough. Honor mobile power 10000mAh: fast charging speed, and the overall feel is very good, not cold metal touch.
4, Punofi mobile power supply. Charge and discharge can be realizedMore than 500 loops. In order to let consumers rest assured, design experts are equipped with a special lithium battery protection board for the product to effectively prevent overshooting, overdischarge, short circuit and other situations.
5, Millet charging treasure this mobile power has 20000mAh large battery capacity, the highest output capacity is 50W, the highest input capacity is 45W. Standard double C-port 5A high-current charging cable, body weight 447g, thickness 25mm. The product supports vivo and iQOO's 44W private flash charging technology with an output capacity of 45W. Compatible with 40W fusion fast charge technology, branchHolds up to 33W input capacity.
1, good charging treasure brand recommendation: Millet, Huawei, Rome Shi, Pinsheng and Meizu. The Xiaomi Power Bank has won widespread praise from consumers for its high performance and affordable price. The Xiaomi Charger uses a high-quality battery chip to ensure its durability and safety. At the same time, the Xiaomi power Bank also has fast charging technology, which can quickly charge electronic devices such as mobile phones, greatly improving the use experience.
2,Nank South Carolina Wireless charging treasure POW2 (priced at 169 yuan) Recommendation: The charging treasure supports 10W wireless fast charge and 18W wired fast charge, and the fast charge protocol includes PD and QC. As one of the top three wireless fast charger brands in China, its 10,000mah large-capacity battery design is lightweight and weighs as much as a mobile phone. It is able to meet the needs of wireless and wired charging, suitable for most smartphone use.
3, recommended reasons: the brand is very credible, this model can support multiple mobile phones at the same time, large capacity, easy to carry, really good.