1. What is the outdoor power supply and what is the difference between it and the power bank?
Outdoor power, actually called outdoor mobile power, is equivalent to a portable charging station. The main feature is the configuration of various types of output ports:
USB, TypeC, can charge ordinary digital devices.
Car charging interface, can charge the car battery, or other on-board equipment power.
Support 220V AC output, equivalent to the use of mains power at home.
What’s the difference between it and a power bank?
1. Output power
At present, the mobile phone charging bank on the market, the output power is almost 22.5W. Power bank for the laptop, 45-50W.
The outdoor power supply starts at 200W, most brands are above 500W, and the maximum can be above 2000W.
High power means you can use high power appliances.
2. Capacity
Before I compare capacity, I have to tell you about units.
The unit of the power bank is mAh (mah), which is generally referred to as mah for short.
The unit of outdoor power supply is Wh (watt-hour).
Why the difference?
1. Because the output voltage of the charging bank is relatively small, the output voltage of the mobile phone charging bank is 3.6V, which is the same as the working voltage of the mobile phone.
Also because of the voltage problem, if you want to use a power bank to charge your laptop (working voltage 19V), you have to buy a special laptop.
2 Wh, this unit, actually refers to power consumption or capacity, which you may not have seen. But let me say this, and you’ll get a sense of it:
1000Wh = 1kWh = 1 KWH.
The conversion formula of these two units: W (work, unit Wh) = U (voltage, unit V) * Q (charge, unit Ah)
Therefore, a 20000mAh mobile phone charging bank, its capacity is 3.6V * 20Ah = 72Wh.
General outdoor power supply capacity is at least 300Wh. That’s the capacity gap.
For example: (regardless of loss)
The working voltage of mobile phone battery is 3.6V, the charge is 4000mAh, then the capacity of mobile phone battery =3.6V * 4Ah = 14.4Wh.
If a 20000mAh charging bank, to charge this mobile phone, can charge 72/14.4 ≈ 5 times.
Outdoor power supply of 300Wh can be charged 300/14.4 ≈ 20 times.
2. What can outdoor power supply do?
When you need electricity outside, outdoor power supplies can help you. For example,
1. Set up an outdoor stall and supply power to light bulbs.
2, outdoor camping and self-driving travel, there are many places to use electricity, you want to need electricity, outdoor power can do.
Use a projector
Heat hot water and cook with a rice cooker
In places where open flames may not be allowed, an outdoor power source will allow you to use your rice cooker safely.
Digital device charging (UAV, mobile phone, computer)
Use car refrigerator
3, if it is an RV, a long time in the outdoors, outdoor power can be a necessary item.
4, mobile office, when there is no place to charge, you can ensure that the computer or mobile phone, different worry about the problem of electricity for a long time, the battery life is much stronger than the power bank.
5, for the friends of the field fishing, outdoor power supply can charge the field fishing light, or directly as the fishing light to use.
6. For photography friends, outdoor power supply is more practical scene:
Instead of having to carry a lot of batteries, to power the camera lights.
Or as LED lights, fill light use.
7, outdoor operation, for high-power equipment, outdoor power is also a must.
8. Emergency reserve.
You don’t have to be outside to use outdoor power. When there is a power failure at home, the outdoor power supply can be used as an emergency light.
For example, this year’s various natural disasters, residential power outage does not come for a long time, the importance of outdoor power supply is reflected. Hot water, cell phone charging, etc.
3, choose outdoor power supply, what need to pay attention to? (Key points)
1. What’s the use of wattage?
Every electrical equipment, there is a use of power. If the battery power isn’t up to it, you can’t carry it.
2. The difference between mAh and Wh.
Although it’s been covered a little bit above, this is the most misleading point, so let me make it clear.
In a word: you can’t tell what the real capacity is when you just look at the mAh, because the power of the appliance is different.
mAh (milliampere) is a unit of electricity that represents the amount of charge Q that a battery can hold or release.
The common one is: we talk about the capacity of a cell phone battery or power bank, how many milliamps.
Wh is a unit of power consumption, which represents the work a battery can do.
Wh is pronounced watt-hour, and 1 kilowatt hour (kWh) = 1 kilowatt hour of electricity.
Conversion between Wh and mAh: Wh*1000/ voltage = mAh.
So most of the outdoor power business mark mAh, are converted by the voltage of the mobile phone 3.6V, show large capacity.
For example, 600Wh can be converted to 600 * 1000/3.6 = 166666mAh.
To summarize a little:
1, the power is relatively small outdoor power supply (300W below), more to see mAh, because more care about is: how many times the electrical equipment can be charged.
2, the power is relatively large outdoor power supply (above 500W), more to see Wh, because you can better calculate the power supply time of high-power electrical equipment.
For example, 500W rice cooker +600Wh capacity of outdoor power supply, can directly calculate the usable time: 600/500 = 1.2 hours. If it’s in mAh, it’s harder to figure out.
If you’re still unsure, swipe to the end of the article, where I’ve summarized some electrical devices, and how many times they’ve been charged or how long they’ve been powered.
3. Charging mode
Mains (charging at home)
Driving charge
Solar panel charging (Outdoor)
If you spend a lot of time outdoors, or in an RV, solar panels are necessary.
When shopping for an outdoor power supply, different brands have a combo: outdoor power plus solar panels (prices will increase).
4. Scalability
2 outdoor power supplies in parallel, increase dimension power.
One outdoor power supply +1~2 charging packs.
The power pack can only be used as a battery, in conjunction with the outdoor power supply, which has much less function.
5. Output waveform
Only pure sine wave, will not damage electrical appliances, especially digital equipment, so you have to pay attention to the purchase.
The ones I’ve listed below are pure sine waves, except for Habilis.
5. Model recommendation
Below 1,300 W
2,600 W
3,1000 W to 1400W
4,1500 W-2000W (to be continued)
Here are a few things to note:
The outdoor power supply below 1,300 W has limited application scenarios because of its low power
Emergency lighting
Outdoor stall
Digital device charging
Because more care about the capacity, so the following figure for comparison, capacity does not Wh, and use mAh to show more clearly.
For outdoor power supply above 2,600 W, the ranking way I recommend is as follows:
In ascending order of maximum power and battery capacity
And then in ascending order of price.
Why not think about price first?
The reason is simple. You need to make sure you have the maximum power and capacity before you can consider the price.
And the design of the general outdoor power supply, capacity is also increased with the power.
3. Some parameters:
Peak power. Some appliances, like air pumps or flash lights, have instant power, which means a lot of power for a moment.
Post time: Mar-29-2023