Shenzhen Jingxian Battery Technology Co., Ltd. is one of the leading manufacturers and suppliers of power supply bank 300w in China. If you're going to buy discount power supply bank 300w made in China, welcome to get quotation and free sample from our factory. Quality products and low price are available.
Power supply bank 300W is a high performance power equipment that excelces in performance, manufacturing processes and applications. It can provide a long time stable power output, very suitable for many areas of need.
Specification
|
Cell type |
18650 Battery |
|
USB output |
5V/3A |
|
DC output |
12V/8A (MAX) |
|
AC output |
220V/300W/50Hz、110V/300W/60Hz(pure sine wave) |
|
Peak value |
600W |
|
Input voltage |
15V-30V |
|
Input current |
5A (MAX) |
|
Cell capacity |
11.1V31.2Ah/3.7V 93600mAh (36 cells 12P×3S) |
|
Charging time |
5.5-7 hours |
|
Static power consumption |
≤200uA |
|
Cycle life |
1000 times (capacity≧80%) |
|
Working temperature |
-10℃~50℃ |
|
Volume |
300*117*208mm |
|
Weight |
5kg |

First of all, the performance of Power Supply Bank 300w is excellent. It is capable of delivering 300 watts of output power, providing a steady supply of electricity. Moreover, it also has over current protection, overheating protection and other safety protection functions, to provide users with more stable use guarantee.
Secondly, it adopts advanced manufacturing process. Professional manufacturing process can ensure its long service life and adaptability. This process ensures that the equipment can operate properly under any extreme conditions, while avoiding any potential failure.
Finally, its service support is excellent. Its after-sales service guarantee can make users more at ease with the use of equipment. If there are any problems, its service team will respond promptly and provide solutions to ensure the normal operation of the equipment.
Applications
1. Laptop power supply. For those who need to go out on business, travel, etc., Power Supply Bank can be a reliable backup power source for their laptop, ensuring that the computer can be powered in any situation.
2. Mobile phone power supply. With the popularity of smart phone use, it can also be used as a backup power supply for mobile phones, which can solve the problem of frequent power failure of mobile phones and ensure that mobile phones are constantly powered up.
3. Power supply for electronic equipment. It can power many electronic devices such as router, stereo, projection etc.
In a word, it is a very practical and efficient power equipment with outstanding portable performance and security, which makes it widely used in various fields and brings great convenience to people's life and work.

Characteristics
1. High efficiency and stability. Power supply bank 300W adopts high efficiency cooling technology to ensure stable output power without fluctuation during high load.
2. High security. It provides protection measures such as short circuit protection, overload protection, overvoltage protection, and overtemperature protection to ensure the power supply security.
3. Low noise. It is equipped with large fans to ensure low noise operation and very quiet working.
4. Strong portability. It is very small in size, suitable for carrying and transportation, can be easily carried around, very easy to use.
5. Strong adaptability. It is suitable for various electronic devices such as laptops, mobile phones, digital cameras and so on, able to meet the needs of different consumers.

Cautions
1. When the battery reaches its termination voltage, it must be removed from the instrument promptly.
2. Dispose of used batteries in accordance with local environmental laws.
3. The aforementioned safety precautions must be properly followed in order to prevent incorrect battery use and operation, which could cause fire and explosion as well as battery expansion and leakage.
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