Super life, 'Macro' | Rome Shi WA30 performance evaluation

With the development of science and technology and the acceleration of the pace of life, mobile electronic products have become an indispensable contact tool in people's daily life. It connects individuals, groups, and the entire world, enhancing the personal vision of individuals and facilitating people’s travel. Plays a huge role in all aspects. However, the issue of battery life also refers to the cusp of the storm. Once the power is exhausted, our work and life will be greatly affected. Fortunately, charging the treasure's 'Big Mac' —— Rome Shi WA30 large-capacity mobile power comes into being (Official Price: 149 yuan ) What does it claim to have super endurance in the actual test? How worthy of this product is it worth buying? Let us use data to clear your doubts.

Appearance: Everything is 'big'

The overall style of this mobile power source tends to be low-key and simple. Roman's small and freshly recognizable shell, although the side is only a well-polished plastic material, but it feels relatively smooth, there is no uneven roughness. The original corners It has been polished to be relatively smooth, avoiding the hidden dangers of scratching the skin due to edges and corners. It is relatively humane. The 'rough' lines at the top of the bumps add a bit of ornamentality to this product, like two or three turns of smooth water. Soft and eye-catching, without losing the exquisite personality. Button design is very simple and clear, the entire mobile power only has a power button with a 'lightning' logo, on the top there are 4 yellow orange power indicators, each lamp represents 25% The amount of electricity, by touching the power button at any time to learn about the amount of electricity. And we in the mobile power charging or discharging operation, the top of the power indicator light will enter a regular flashing state to prompt whether the successful start charge and discharge operations .

Romoss WA30's measurements are 167mm*81mm*32.8mm (length*width*height). What is this concept? It is longer and wider than an iphone6, and thicker than a one-dollar coin. Anyway, a normal trouser pocket is not fit. Slightly, weighs 682g, is basically a heavyweight player belonging to the level of the 'Big Mac'. It's inconvenient for personal carrying. If you look at this, someone may say Tucao, buy a mobile power is not on the map Convenient, with such a big toy, how heavy is it? No, no, different people have different needs. For those who go out for a walk, it's perfectly fine to have a thin charging treasure. The tyrants aren't terribly awesome; but for the big brothers who talked about business, Romoss WA30 is definitely a treasure. Why do you ask me? Then look it!!

The important point, we next see its nominal property, battery capacity 30Ah, the number is too abstract, direct point, iphone6s battery capacity is 1.715Ah, 30Ah battery capacity, in the absence of energy loss, theoretically Iphone6s can be filled with 17 times, but in fact due to resistance and line heating and other aspects of the impact, 100% of the electrical energy conversion rate does not exist, and the mobile power market generally can reach 70% - 80% conversion Rate, conservatively count it 70%, it can also raise the apple full of blood 12 times, you tell me, strong is not strong. You only need to spend about 16 hours to fill your charge Po, it is enough to ensure a week's battery life .

Imagine, I forgot to bring the charging treasure when I was on a business trip. I borrowed it from a colleague next to him. He just used it too. You can only watch the phone slowly, and you are desperate. Fortunately, Romoss WA30 designer. With this in mind, two conventional USB ports are equipped, one to support 2.1A for higher speed charging, and the other to provide 1A for charging current, even if the fast-charged acid-cooling experience is not achieved, but it is also sufficient to cope with business trips. The use of mobile phones, compared to the traditional single-end output mobile power, Romoss WA30 can achieve simultaneous charging of multiple devices, optimize the user experience in real situations. In addition, it can also match a variety of mobile power charging interface, respectively typeC, Lightning interface and traditional micro USB interface, with good adaptability, users can choose charging interface according to their own conditions (special reminder, under the same type of charge capacity than the lightening interface and micro USB type Oh)

Reminder : The mobile power battery capacity is 30Ah, the output voltage is 5V, and the capacity of the charging treasure is 111Wh. According to the regulations of the Civil Aviation Administration, 100Wh-160Wh mobile power is to write an application for negotiation with the administrator. Only after permission is allowed to bring the aircraft Oh.

Measured data analysis

After the introduction of the bells and whistles, you may think I'm talking nonsense, or you may be tempted. The above data is so ideal. Will there be any moisture? Well, let's follow your posts, which is the focus of our evaluation. Use rigorous science. The data speaks, Romoss WA30 performance is strong in the end, immediately see the outcome!

Xiaozero specifically came up with its own "Family" - a VIVO X21, a Roman official Sense4 + mobile power and Bose QC30 noise canceling headphones and Tycoon partner iphoneX for a wave of charging test, with POWER-Z multi-function mobile phone charging The head PD tester voltmeter current detector records the load data and obtains the following data.

We can see that during the charging process of the four devices, the Romoss WA30 integrated maximum output power can reach about 10W, the performance is quite satisfactory, and the overall charging speed is not very different from the traditional power supply on the market. In addition, we can find the product. With Fit Charge function, it can automatically adjust the output current and other parameters according to the product type to maintain the best charging effect. For mobile phones, tablet equipment and other medium and large devices will output high current to high power output, shorten the charging process; and for headphones, smart Small digital products such as mobile phones will reduce the output current, operate within the rated current of the product, and achieve the function of protecting the circuit and prolonging the life of the equipment. This is a huge innovation unmatched by the traditional low-cost mobile power supply. A good mobile power supply , Security must be given top priority. Poor quality mobile power sources simply can't be used as Romoss WA30, and this bright spot of the Romoss WA30 will greatly reduce the possibility of explosion due to excessive current.

Simply look at the output power, and the load current is not enough. A good mobile power supply should also have features such as stable output and high conversion rate. Next, we use the FistTech FT6301A programmable electronic load meter to discharge it at 5V/1A. Operation, the data curve of the discharge process is as follows.

This product did not disappoint us. The discharge curve intuitively tells us that the voltage output during the discharge process is relatively stable. Only voltage fluctuations of less than 0.1V occur once. The average voltage of the discharge process is stable at around 4.8269V (actual data 4.8269V. ) The total battery capacity reached 21.4996AH. At the end of the test, when the battery was exhausted, there was a clear self-closing action. There was no noticeable decrease in the output voltage due to the decrease of the power. This action can effectively protect the internal power supply. The circuit, prolongs the service life. After calculation of the measured data, this mobile power conversion rate = (4.8269V*21.4996/111Wh) *100%≈92%, so horrible! And the battery capacity of 21.4996Ah is even more than the nominal capacity of the enclosure 19.950Ah is even larger. It is estimated that no one dares to mention the word "virtual". If the big brothers do not understand the data analysis of the small zero, we can completely look at the official evaluation standard for mobile power. "Reasonable to convince PConline mobile power evaluation specification"

Evaluation summary

Super capacity, super battery life is the selling point of Romoss WA30, stable output, horrible conversion rate is unmatched by the same price charging treasure, Fit Charge function and multi-output design make it impeccable user experience, the only drawback It's really just too bulky, but Little Zero thinks it's harmless. After all, capacity and size don't have both, or look at it from another perspective. It's more domineering! As long as 149, after this village does not have this shop, cost-effective mobile Power supply, afraid to be robbed of late.