Best Jackery® Leaf Premium iPhone 5S Charger Case Power Bank for iPhone 5s and iPhone 5 (Black & Orange)
This is My Opinion About This Product
After I buy this New Jackery® Leaf Premium iPhone 5S Charger Case Power Bank for iPhone 5s and iPhone 5 (Black & Orange) (Wireless Phone Accessory)
Length:: 6:29 Mins
I have reviewed many battery cases for iPhone 5S phones. This battery case so far has had the best charging results of all of them I have tested at 75.4% efficiency. It charged an iPhone 5S 116% on one charge of the case's battery. Outstanding! If you are a power user of your iPhone then this case is designed for you. This case more than doubles your working time of your iPhone and it charges your phone quickly. This case is MFI (Made For iPhone) certified by Apple and the lightning connector will cause no issues with your iPhone. After you insert your iPhone into the case you can use the supplied Micro USB cable to not only charge the case and your phone but also to sync your data with iTunes. I tested this and it worked perfectly.
What is in the box?
* A black top plastic phone frame
* An orange top plastic phone frame
* An extension plug for iPhone headphones jack that is 3 inches long
* The battery base of the case itself that is rated at 2400 mAh capacity
* The charging cable that is 34 inches long
* A brief instruction manual.
The case with a top frame weighs in at 3.5 ounces. The bottom of the case extends down and covers the downward facing iPhone speakers so there are two front facing portals on the case for the sound to come out. I actually think the music sounds better when your iPhone is in the case. There is a Micro USB charging port on the side of the case.
When you put your phone into the case and plug in the case to charge then your iPhone will charge first and when is it is at 100% then the case battery will begin to charge. There is one multicolor LED on the bottom of the case. When it is red and blinking it is charged between 0 and 10%, solid red on it is 10 to 35%, a blue LED means 35 to 75% and a green LED on means 75 to 100. As the case battery is being charged one of the LEDs will be flashing to indicate what the charge status of the case battery is at. The LED is quite bright so I make sure at night that I lay the case with the LED facing down as not to light up the area around the iPhone. It can be distracting in a dark bedroom at night. The charging power is specified at 5 VDC and 1/2 Amp. The power button on the back is slightly recessed below the back surface of the case so you are less likely to press it and start your iPhone charging. (It is only very slightly recessed)
When you want to charge your phone just press the button on the back of the case for 2 seconds and you will hear your iPhone beep. When the iPhone battery is full the charging will stop. If you want to check the charge status of the battery pack then press the same button for 2 seconds and the LED will light up to show you the charge remaining in the case battery.
You should note that I did not operate my phone while I charged it but the WIFI and phone transmitter were left on. When I test a battery I do an extensive set of tests that fully charges the battery and then I use it to charge devices and make sure that it is fully depleted when my tests are done. I time each test and document the results as the test progresses. I then calculate the mAh of capacity that the battery supplied and I then calculate its charging efficiency. This process takes from 3 hours to, in very large batteries, about a day for testing. I don't take any short cuts or guess and every battery has these tests performed on it and documented. This is to assure that the battery is tested and it performs well. If a battery has performed poorly I then run the tests again to verify the results.
Jackery 2400mAh battery case for iPhone 5S test results.
iPhone 5S at 7% battery case fully charged with Green LED showing
* 30 min iPhone at 40% - battery case green LED
* 60 min iPhone at 76% - battery case blue LED
* 90 min iPhone at 100% - battery case blue LED
* 93% x 1560 mAh = 1450.8 mAh
2nd iPhone 5S at 79% - battery case with blue LED showing
* 30 min iPhone at 98% - battery case blue LED
* 39 min iPhone 100% - battery case blue LED
* 21% x 1560mAh = 327.6mAh
3rd iPhone 5S at 56% - battery case red LED
* 30 min iPhone at 58% battery dead
* 2% x 1560 mAh = 31.2 mAh
Test summary:
* 1450.8mAh + 327.6 mAh + 31.2mAh = 1809.6 / 2400 mAh = 75% efficiency
* This is an efficiency of 75.4% of the 2400 mAh battery case.
The battery in this case is a 2400 mAh lithium polymer battery and as you can see I tested it to be 74.5% efficient and this is an excellent result for this size of battery. This means that you can charge your iPhone to 116% of a full charge using this case. You can also see that the iPhone increased its battery charge quickly at a rate of 20 to 30% for every 30 minutes that the case battery was turned on. You literally can charge your iPhone in about 2 hours. You can also continue to use your phone while it is charging. That is great to do without the use of any cables!
Don't forget to plug your headphones onto the extender cable and just carry them that way. Now you can make sure that you can properly plug them into the iPhone at any time. I rated this battery case as a 5 star product. The battery is great, the case is nicely designed and all of the controls and jacks for your iPhone are accessible. The case comes with a 12 month warranty.
I was supplied a sample of the product for test and evaluation and I promised to provide a fair and honest review.
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