[Constant voltage, fast charging] Evaluation of USB rechargeable lithium battery
[Constant voltage, fast charging] Evaluation of USB rechargeable lithium battery

[Previous remarks]

As a fan of landscape photography, I often eat and sleep in the wild in order to shoot magnificent scenery. In order to maintain the needs of various outdoor and photographic equipment, I often need to take a lot of No. 5 batteries for headlights, camp lights and camera flash lights. After all, there is no condition for charging in the wild, and time is not allowed to charge slowly. When I see Love to play computer games When the trial USB rechargeable lithium battery was launched, it suddenly became clear that the lithium battery has no memory effect and can be charged at any time, while the USB interface means that it can be easily charged with devices such as a charging bank outdoors. The only thing I don't know now is whether its output can meet the power supply needs of my stack of devices, Let's try it with me.

[Minimal Packaging]

The packaging of Shuerbo USB rechargeable lithium battery is the same as that of an ordinary No. 5 battery, but in addition to its appearance, its advantages are unmatched by nickel metal hydride batteries, including 1.5V constant voltage, one hour fast charge, no memory effect, etc.

There are more detailed parameters on the back of the package. Of course, my most concern is the battery capacity, 1200mAh. Although the capacity is slightly lower than some nickel metal hydride batteries, it should also meet the needs of use because of its fast charging.

In the simple paper packaging, we can see that this group of batteries comes with a battery box. The quality of the box is quite good, and the feel is very delicate. But at the beginning, the lid felt very tight. Although the box is designed with two small wrenches, it is still difficult to open it.

Finally, when the battery box is opened, we can see that the Shorebo USB rechargeable lithium battery is in silver and orange, which looks bright and eye-catching.

[See details]

Look carefully at the details of the battery. The workmanship is very good. The only difference is that there are two holes on the positive pole.

Compared with the ordinary No. 5 rechargeable battery, the biggest difference is that the Shuerbo USB rechargeable lithium battery is a two-stage design with a charging indicator on the neck.

When charging is needed, just remove the top cover, and the USB-A interface will be exposed. Any USB charging head can charge it.

An elastic rope is connected between the cover and the body to prevent the loss of the cover. The cover is not only for protection, but also has a metal sheet connected to the positive and negative poles of the battery. Therefore, once the battery is lost, it cannot be used.

[Charging test]

Before use, charge it first. During the charging process, the indicator light on the battery neck will be displayed in red, which is very intuitive. This is a function that other No. 5 charging cells cannot have. To charge this group of batteries, it needs to occupy 4 USB charging ports. This is slightly inconvenient. It is better to configure a USB adapter cable with more than one turn.

I measured it with a USB tester. The charging current of a battery is about 0.3A, and the power is between 1.5-1.6W. This value will gradually decrease with the charging process until it is fully charged.

The whole charging process is completed in less than one hour, all battery indicators will turn green, and the current on the USB tester will also display 0A, indicating that it has been saturated.

For me, the biggest advantage of the USB interface is that I can use the power bank to charge it outdoors, which is very convenient. If I go camping or something, I don't need to prepare multiple batteries anymore.

[Use Experience]

Now let's use my most commonly used device to test the working condition of Shorebo USB rechargeable lithium battery. First of all, the headlamp is a necessary tool for me every time I travel. It requires three batteries. After testing, the power supply brightness with it is completely OK.

The next one is camp lamp, which is a must for living in tents. Usually, it is open for several hours at night. It is also a big power user. It is also powered by three No. 5 batteries. Of course, Shuo Erbo is also competent.

Finally, the flash of the SLR camera has the highest requirements for the battery. If the quality is not up to the standard, it will not work properly. In addition, when the power is supplied by the ordinary nickel metal hydride battery, the biggest problem is that the waiting time is too long after each flash. It is very inconvenient if continuous capturing is required.

After installing 4 batteries and turning on the switch, you can see that the "Test" indicator lights up quickly, indicating that the flashlight is charged and ready to work. This speed is indeed better than that of the nickel metal hydride battery.

I set the flash to the wireless flash mode, and took several pictures in succession. Each time it can flash normally, and the indicator light on the back always lights up quickly, indicating that it not only works normally, but also has a very fast return speed, which can meet the needs of continuous shooting. I am very satisfied with this.

[Write at the end]

After testing several devices, especially the working condition of the camera flash, I have a positive understanding of the Shuo Erbo USB rechargeable lithium battery. It is not only fast and convenient to charge, but also has the key advantage of constant voltage without attenuation. It can meet the power needs of all my outdoor and photographic equipment, and its performance is better than that of traditional charging pools, What's the reason why I don't choose it! With Shuo Erbo lithium battery, I only need to have a power pack when I travel in the future, and I don't need to carry a large number of heavy batteries any more!



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