When the battery brand believes that the value of regular Internet access is not unfamiliar to the friends, the name of its lithium iron battery has emerged in recent years. It is believed that many small partners who like the Energizer L92 lithium-iron battery are hard to find in the domestic market in recent years. There are also certain reasons for losing the lithium-iron battery patent infringement case in the International Court of Justice and time.
The nickel-metal hydride rechargeable battery was recently introduced in the lithium-iron battery resistance brand for many years. As a battery enthusiast, I got the product and made some tests on it for the first time.
purchase address:
4 battery and charger set prices are 99 yuan. The nominal capacity is 2300mAh. (Please see the experimental part for measured capacity and energy value)
No. 5 AA battery:
7th AAA battery:
"High value of the strength of the faction" is resistant to this nickel-metal hydride battery message, for the time being not to say its strength, this we say in the battery power link, this high face value should be at least should be able to see in the out of the box from. The product packaging uses a square cardboard box. When I received it, I did not look at the photo and thought it was a luxury item like a watch. High-capacity, low-capacity, self-contained rechargeable battery pack with 4 NiMH rechargeable batteries and 1 charger.
The back of the packaging is the product features:
1. Import: International large brand batteries have large capacity and low self-discharge. (Actually, this battery cell is self-manufactured, and it helped the international big-name OEM for many years. The set of international big-name cards is to hold the rhythm of the thigh.)
2, design: color matching battery, portable USB charging interface. (This we continue to look down)
3, environmental protection: paper packaging, the concept of secondary use. (In fact, it seems to me that this package also costs a lot of money. This box is very liked by my daughter. It has been folded and played with the bristle stick for a long time.)
Fold open way, I remembered the old Luo before the hammer M1L phone box bragging for a long time - Baibao box type design, feel resistance when the rechargeable battery pack This box is similar to that design.
This is a bristles paste that has no practical use for most people. It is a good toy for children. My daughter rips and sticks, sticks and tears. . .
Remove the kit from the "Treasure Box" box and include: Ni-MH rechargeable battery (AA)*4, Ni-MH charger*1, Micro USB charging cable*1, manual*1, and battery storage box*1.
The NiMH charger can charge 4 cells of No. 5/7 at the same time. There are two through windows to check the charging status.
There are methods and parameters on the back of the charger. For parameters, input 5V/1.5A (min), output 1.2V/700mA (max), I personally understand that the input can be used with a conventional 5V/2A charging head or mobile power, output 1.2V/700mA, should be different in single cell and multi-cell state. (Because it is a nickel-metal hydride battery charger, Ni-MH battery used to charge other brands is also OK)
The manual uses a folding style, consistent blue and white color.
The charger is not a regular 220V interface. The 5V charging of the Micro USB interface is more in line with current trends. The replacement of mobile phones and digital products will inevitably have redundant charging heads. Even if you go out, you can use mobile power to charge the battery.
The battery is fully charged with a green light. The red light is on to indicate that it is charging. The only problem is that one indicator light is for two batteries. Both batteries need to be fully charged before they can be turned on and removed.
I took out the nickel-hydrogen rechargeable battery at hand as a comparison, including the common brands such as Philharmonic, "Love the Husband", and Pinsheng. (The two products win the battery a little earlier, and the others are purchased in the last three years.) The most jumpy colors in the image below are those of Gelop and NICE. . .
The test equipment used a four-wire tester dedicated to battery testing (thanks to SMZDM's enthusiastic friends for the battery test, and gave me the previous battery test posts to keep rewarding them, holding them to their valued friends, and contributing to them. Mentality, purchased test equipment, remember the Thomas train and remote control self-revision tester for the past two years?
The following is the discharge curve of these nickel-metal hydride rechargeable batteries, the average discharge voltage is similar, mainly to see the difference between the battery capacity and energy value.
Love husband: 
Philharmonic: 
Flying Lion:
Resistance time:
Product wins A: Here are some to introduce. This product was purchased in 2014, so the energy is relatively small, nominal 2200mAn.
Pin Sheng B: was purchased in 2010, so the energy is relatively small, nominal 2000mAn.
In fact, the discharge curve looks more complex, collecting important values ​​using EXCEL to generate a histogram as follows, focusing on the energy value, which is what we usually understand as the "battery power level." When the resistance time depends on the energy value of 2872mWh to win the first of these batteries, the two product wins may be earlier in the year of purchase, and the overall performance is worse, and the other three love husbands, Elop, and Lion have close to the nominal capacity.
In fact, nickel-metal hydride rechargeable battery test is not as easy as ordinary dry batteries, dry battery to measure a battery capacity and energy is over, up to a large current discharge test again. Nickel-metal hydride rechargeable batteries have cycle charging times, battery service life, low self-discharge, etc. As an interested battery friend, there is no professional equipment and it is impossible to test the number of charge and discharge times, and it is impossible to have The conditions test the life of the battery life. However, for low self-discharge, I think it is still possible to create conditions for testing in a short period of time. In the near future, I will take two of these batteries, seal them, and save them after six months and one year later. Test to see how low the efficiency of its own self-discharge. Interested friends please pay attention.
This time, this Ni-MH rechargeable battery pack price is 99 yuan, which is basically equivalent to the price of 4 batteries + charger sets on the market such as Nanfu, Pinshen, etc. The more careful packaging and the more convenient charger make the product more convenient. Being competitive, of course, in terms of the capacity and output energy of the rechargeable battery source, we have also seen the manufacturing capabilities of the battery cores that are available to big-name foundry factories. The four batteries are also distinguished by blue and white, which is considered for two battery users. As for the situation of low self-discharge, I will still give you a reply after one year. The most important barrier to battery resistance is that everyone does not have enough awareness of their brand. They only sell through online sales (Tmall flagship store), and organize some 4WD racing events under the line to advertise. I believe that through its own user accumulation and launch of products with superior cost performance can gradually increase market recognition, as consumers of course are more willing to see the market's full competition, can make the product more "worth buying"!
For the purchase of users: Because of the moderate price, high value, suitable for young people with a certain pursuit of rechargeable battery performance. The blue-white battery looks close to the style of Philharmonic. In the evaluation, the capacity and energy output are both higher than 1900m Anilor's Ni-MH. If it is a faithful user of Philharmonic, you can give it a try. This time-resistant nickel-metal hydride rechargeable battery Is there a surprise?
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