I tested Bolse 3.1A 15W Dual USB Port Wall Charger with Nexus 7 Tablet (JellyBean 4.2.2), Samsung Galaxy 7.7 Tablet (ICS 4.0.4), and Samsung Galaxy Nexus cell phone (JellyBean 4.2.2), and iPad Mini.
I own several wall chargers and power bricks and run the same set on tests on each of them, so they can be compared to each other using "apples to apples" comparison. This set of tests allows me to provide unbiased results as the numbers speak for the performance of each unit. These comparison tests reveal that this charger does not work as well as other chargers I have tested, including other Bolse wall chargers. The charger works, but does not charge as fast as other chargers. I am giving it OK rating of 3 stars.
My methodology is to charge each mobile device on each port of the unit for 10 minutes and measuring how much each unit was charge in that 10 minute period. Each line in the table below represents a separate 10 minute test, 16 tests in total.
I use Battery App by Elvison to determine how each device recognized the charging source. 'AC' status means the charging is at full charging rate. 'USB' status indicates charging at a lower charging rate. 'Discharging' status means that the charging rate is below the power that the device is consuming so it slows down the discharge rate but does not re-charge.
I am attaching a collage with 3 photos that to illustrate this review. They show the charger during the test with various devices. In the photos can also see a close up of the charger itself. It is 2 3/5" long, 1 1/2" tall, and 1 1/4" wide. If you use it on the old fashioned power strips this charger would cover 2 slots. Bolse wall charger has re-tractable prongs which is very handy for travel.
The two ports of the charger are marked as 1.0A and 2.1A and this is how I will refer to them in the tables below.
The table below shows the results of my tests. The manufacture offers the identical USB chargers in two colors "white" and "black". I received both for testing and evaluation. I tested both and both chargers performed similarly. I am including the results for both chargers, as seeing consistency in results increases the likelihood that others chargers will behave in a similar way.
✔ Nexus 7 Tablet (black charger)
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2.1A -- AC ............. -1% change in charge in 10 minutes
1.0A -- AC ............. 0% change in charge in 10 minutes
✔ Nexus 7 Tablet (white charger)
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2.1A -- AC ............. 0% change in charge in 10 minutes
1.0A -- AC ............. 0% change in charge in 10 minutes
✔ Samsung Galaxy Nexus Phone (black charger)
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2.1A -- USB ............. 0% change in charge in 10 minutes
1.0A -- USB ............. 2% change in charge in 10 minutes
✔ Samsung Galaxy Nexus Phone (white charger)
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2.1A -- USB ............. 0% change in charge in 10 minutes
1.0A -- USB ............. 1% change in charge in 10 minutes
✔ Samsung Galaxy Tablet 7.7 (black charger)
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2.1A -- AC ............. 3% change in charge in 10 minutes
1.0A -- discharging .... 0% change in charge in 10 minutes
✔ Samsung Galaxy Tablet 7.7 (white charger)
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2.1A -- AC ............. 2% change in charge in 10 minutes
1.0A -- discharging .... -1% change in charge in 10 minutes
✔ iPad Mini (black charger)
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2.1A -- AC ............. 2% change in charge in 10 minutes
1.0A -- AC ............. 2% change in charge in 10 minutes
✔ iPad Mini (white charger)
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2.1A -- AC ............. 4% change in charge in 10 minutes
1.0A -- AC ............. 2% change in charge in 10 minutes
➨ Key findings:
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This charger works, but does not charge as fast as other wall chargers, including other Bolse wall chargers, for example (ASIN: B00BFQ9R0W) Bolse® 4 Port Premium High Output USB Wall/Travel/AC Rapid Charger) For iPhone, iPad, Samsung Android Smartphones , which in the same test showed 7% charge rather than 0%/2%. This charger showed the best behavior with Apple products on both ports, so if you have two Apple products this charger would be a good fit.
You can find it on Amazon by following this link
Ali Julia review ★★★☆☆
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