1. Capacity
The first thing to look at when choosing an outdoor power supply is the capacity of the outdoor power supply. The capacity guarantees how long your outdoor power supply can be used outdoors. How can I determine how much capacity I want for an outdoor power supply? The capacity of the outdoor power supply on the market is mainly 800-1500Wh. If it is used for short-term camping that does not stay overnight, it is enough to choose an outdoor power supply of 1000Wh; if you want to camp overnight, it is recommended to choose an outdoor power supply of 1200Wh or above; For self-driving camping trips, it is recommended to choose an outdoor power supply of more than 1500 yuan. When choosing an outdoor power supply, it is recommended to be equipped with a suitable solar panel to supplement the power when the outdoor power supply is out of power.
2. Power
Before choosing an outdoor power supply, you must first understand the power of each electrical appliance you need for outdoor camping, and then choose an outdoor power supply of the corresponding power according to the power of the electrical appliance. The power of electric cooking pots, electric hot pots, induction cookers and hair dryers for outdoor camping is generally 600-1200w; electric appliances such as car refrigerators, electric fans and desk lamps are generally within 120w; the power of mobile phones, tablets and laptops is generally 80w within. The power mentioned in the outdoor power supply is the total power of the various appliances used at the same time. You must first understand the approximate power of the appliances you need, and then choose the appropriate outdoor power supply according to the total power amount.
3. Battery
The batteries of outdoor power supply on the market are mainly ternary lithium power supply and lithium iron phosphate battery, each of which has its own characteristics.
Lithium-ion batteries use lithium as the negative electrode active material, and have high electromotive force and specific energy. It is an energy storage device integrating high energy density and high voltage. The main features are large capacity and good stability. A lithium iron phosphate battery is a lithium ion battery that uses lithium iron phosphate as the positive electrode material and carbon as the negative electrode material. The main features are high working voltage, high energy density, long cycle life and good safety performance. The 1C cycle life of lithium iron phosphate batteries is more than 2,000 to 3,500 times, while the energy storage market requires more than 4,000-5,000 times, ensuring a service life of 8-10 years.
To sum up, if you do not have a great need for capacity, it is recommended to choose an outdoor power supply for lithium iron phosphate batteries.
4. Volume and weight
Of course, the outdoor power supply must be taken out for use, and its weight is also a point to be considered. No one wants to go out and hold a bulky and bulky power supply. In general, the volume and weight of the outdoor power supply are proportional to the battery capacity. The larger the battery capacity, the greater the corresponding volume and weight. Before we choose an outdoor power supply, we must first understand the size and weight of the outdoor power supply to see if we can accept it, and then decide whether to choose this outdoor power supply.
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