How to choose outdoor power supply for picnic?

　　How to choose outdoor power supply for picnic? This is a problem that many outdoor enthusiasts encounter. Outdoor power supply is a portable device that can provide power to various electronic devices in the wild. It allows us to enjoy nature without worrying about low battery levels in devices such as phones, cameras, and laptops. However, there are many brands and models of outdoor power supplies on the market. How to choose an outdoor power supply that suits your needs? This article will provide some reference suggestions from the following aspects.

　　1. Choose the appropriate battery capacity and output power according to your own electricity needs. The battery capacity determines the amount of time an outdoor power source can provide power, usually measured in watt hours (Wh), representing the total energy output of the battery. The output power determines the maximum power that outdoor power sources can drive electrical appliances, usually measured in watts (W), representing the energy that the battery can output per second. Generally speaking, the larger the battery capacity and the higher the output power, the wider the range of use of outdoor power sources, but at the same time, it will also increase weight and price. Therefore, it is necessary to choose the appropriate battery capacity and output power based on the power and usage time of one's own electrical equipment. For example, if you are only charging low-power devices such as mobile phones and cameras, then choosing an outdoor power supply of around 300W or 200Wh is sufficient. If you want to charge medium power devices such as laptops and drones, then choosing an outdoor power supply of around 600W or 500Wh is more suitable. If you want to supply power to high-power equipment such as induction cookers and electric kettles, then choose an outdoor power supply with a power output of 1000W or more to meet your needs.

　　2. Choose the appropriate charging method and weight based on your mode of transportation. There are generally three charging methods for outdoor power sources: mains charging, vehicle charging, and solar charging. Municipal power charging is the most common charging method, suitable for fully charging outdoor power sources before departure or upon returning to the residence. Car charging is the use of the cigarette lighter interface of a car to charge outdoor power sources, suitable for replenishing power to outdoor power sources during self driving trips. Solar charging is the use of solar panels to charge outdoor power sources, suitable for charging outdoor power sources during camping in the wilderness. Different charging methods have different charging speeds and efficiencies. Generally speaking, mains charging is the fastest, solar charging is the slowest, and car charging falls between the two. Therefore, it is necessary to choose an outdoor power supply that supports multiple charging methods according to one's travel mode, in order to charge the outdoor power supply in different occasions. In addition, the weight of outdoor power sources is also a factor to consider. Generally speaking, the lighter the weight, the more convenient it is to carry, but at the same time, it may also sacrifice some battery capacity and output power. Therefore, it is important to choose an outdoor power source that is of moderate weight and does not impose too much burden on oneself based on one's mode of transportation.

　　3. Choose appropriate output ports and additional functions based on your own electrical equipment. The output ports of outdoor power supplies generally include the following: AC port, DC port, USB port, and Type-C port. An AC port refers to a 220V AC output port that can supply power to most household appliances, but it also incurs certain energy losses. DC port refers to a 12V or 24V DC output port that can supply power to some vehicle mounted or specialized equipment, but it is important to pay attention to matching voltage and interface. A USB port refers to a 5V DC output port that can charge low-power devices such as smartphones and cameras. There are generally two types: regular USB and fast charging USB. Fast charging USB can improve charging speed and efficiency. Type-C port refers to a USB port that supports PD protocol and can charge medium power devices such as laptops and tablets. It can generally output 60W or 100W of power and can also achieve bidirectional fast charging, which can charge outdoor power sources or other devices. Therefore, according to your own electrical equipment, choose an outdoor power supply with complete output ports that can meet the needs of different devices. In addition, some outdoor power supplies also have additional features such as LED lights, wireless charging, mobile phone control, etc. These features can increase the practicality and fun of outdoor power supplies, but at the same time, they will also increase costs and weight. Therefore, according to one's own preferences and needs, choose an outdoor power supply that is suitable in terms of functionality and will not cause waste.

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