The battery life solution outside of the first mobile power station - ROMOSS Rome Case En Case iPhone clip battery out of the box comment

I believe everyone has such troubles when choosing Apple's mobile phone: 6s or 6sp?

Like me, because I can't afford it

Then what 6s small, easy to carry, comfortable to hold one hand, but also one-handed operation, but this screen resolution is low, does not support optical image stabilization, battery capacity 1715mAh, battery life weak chicken

6sp screen with high resolution and high viewing comfort, battery capacity, battery life, do not worry, support optical image stabilization, manual probability of a higher probability, but this volume is also large, later away from one hand to play mobile phones, not easy to carry small No less than packaging

The most important issue is the battery life, which can plague a bunch of people.

And mobile power can only be regarded as a very bad solution, if you want to bring a mobile power, you must bring a package, or you can not fit it.

Apple officials also know that 6s battery life weak chicken, out of the official iPhone 6s Smart Battery Case, the Bank of China price 848, capacity 1877mAh


If you give me 848, I can buy a lot of mobile power, plus how can I get more than 100000mAh?

However, Romans gave its own solution

Design your own back clip battery, priced at 100 yuan or so, capacity 2000mAh

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table of Contents:

One, out of the box

Second, the appearance

Third, the installation effect

Fourth, charging effect test

V. Summary

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First, Rome Shi back clip battery out of the box


Flat courier box, originally thought that mobile power, it certainly is not light, who knows it is not heavy

Carton packaging, put a label on the front, you read it right, pink

There is a small line on the label, power technology paranoia, Roman official self-evaluation?

The back is a number of parameters, the main battery capacity is 2000mAh, weight 68g, length and width height is 14269.613 (mm), input and output current are 1A MAX, interface is lightning

Labels are not only labels, but also take into account the role of the seals


However, there is a layer of bends under this seal, which is not very good

After opening the carton, there is another layer of packaging. Is this the real package?

The edge introduces some of the features of this product, what capacity 2000mAh, conversion rate of 85% ...

You can see the choice of color is still a lot, look next to the 6sp map, there will be 6sp back clip battery?

Pink is tender... No color, it's so tender, I look so tender

Inside is a clip battery and a manual, not

installation method

Back clip some parameters

Second, Roman Shi back clip battery appearance


It is not very obvious that the Roman trademark is printed on the back, but it feels exquisite. The back grip is similar to a very delicate skin-like coating. It is not known how long the life will be, and it will not be easily damaged.

There is one and only button in the lower right corner of the back clip battery. Short press to view the battery, long press to charge the iphone

The light is OK, can see clearly, not dazzling

Positive protection shell, the key is this design, feel the general feel, it is better to feel hollow

Back clip battery bottom, there is a lightning interface, then the following is the headset, MIC, mobile phone open hole

Inside, I looked at the pattern, touched it slippery, didn't stick to the phone, and it was very comfortable to draw.

At the bottom of the metal nameplate, this location, easy to insert the mobile phone into the pull it There is a certain cooling effect, that is, who does not know who the heat is transmitted to, anyway, iphone feel when using mobile phone heat, bring this feel hotter

I also want to take a look at the chip and the pcb board inside. Then I didn't find the battery and I didn't open it. It should be ultrasonic welding.

Third, Rome Shi back clip battery installation effect


First of all, please personally like the deep space gray iphone 6s

Another sun list from me


First look at the corner thickness, which is the thickness of the battery without the back clip

This is the thickness of 6s after the back clip battery is added. Can you accept it?

There is an opening on the back, exposing the camera and flash and noise reduction MIC, and because this place is bare, you can use your fingers to take out the phone from the back folder, otherwise the card is a bit tight, not very easy to take down

Back clip bottom effect, the hole is still very accurate, every space is exposed

On the other side of the headset and MIC opening, the phone's original lightning interface became a strange name, and then moved the lightning interface to the upper position.

The screen blue is because of the steel film surrounded by the whole, anyway, pink with black, the front is this effect, full of sense of violation!

Then we change the golden one, we can see a little gold from the position of the upper camera, and we can't see it anywhere else.

Positive gestures, white with pink really is very tender, very soft feeling!

Fourth, Rome Shi back clip battery charging test


The first is to try to charge the iphone, start time: 21:50, power 45%

Half an hour passed, time was: 22:21, electricity was 72%, and 27% charged in half an hour. What do you think of this speed? In any case, I think it is slow, and iphone plug the power supply charge as slow Mainstream charging current has come to 2A, iphone not only not equipped with fast charging technology, charging current is also very small, only about 1A

Just got 4 lights, and now there are only two left, I feel this 85% conversion rate is not enough.

Charging test, speed can reach nominal 1A, everybody pays attention, start time: 7:43

End time: 37:08, about half an hour, charge 0.5Ah, if you charge at this speed, it will take 2 hours to fully charge. If you add the trickle charge time, it will take more than 2 hours to fully charge.

At the end, charge approximately 2.0773Ah to reach the nominal 2000mAh capacity

In the end, although I didn't open it, I found an internal picture for everyone to see.

V. Summary

1, compared to mobile power, carrying the back of the battery is still a lot easier to carry, in addition to the increase in thickness, but the back of the battery surface feels comfortable, weight 68g, not heavy, 6s overall thin, so with back clip The use does not feel very unacceptable. This is the thickness when I put the bag, I imagine

2, Roman official back clip battery can also look good, the back one is very good (that is, all protruding, not a piece of inexplicable prominence, similar to hunched back), workmanship details are also very delicate, set on the iphone is not very unworthy

3, back clip battery design capacity of 2000mAh, promotional conversion rate of 85%, the theory can be filled into the power of 20000.85=1700mAh, which is 1700/1715=99.12% of the power, but the measured, full back clip to the automatic shutdown Iphone charge up to about 86%, which is 17150.86 = 1474.9mAh power, conversion rate is about 1474.9/2000 = 73.74%, did not achieve the nominal 85% conversion rate However, this test is not standard, nor is it very Accuracy is just a numerical value with a certain degree of deviation, but it is also the value closest to normal use.

4, to charge the iphone with a back clip, back clip will choose to charge the iphone first, after the iphone is full, the back clip will be charged, according to the zealer test data, 6s full of time in 2 hours and 37 minutes, back clip full of electricity It also takes more than two hours to mean charging with a back clip. If both are empty, you need to charge for 5 hours.

5, while playing with mobile phone with a back clip to charge, the heat is obvious, can feel the obvious heat, but it is warm, not very uncomfortable, not to be hot,

thank you all!

END

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