EasyAcc PB15000SP: Solar power charging is a disappointment

The EasyAcc PB15000SP is a 15,000 mAh power bank with an added solar-charging feature. The solar-charging panel spans the entire front side with the orange power button residing at the bottom. Double-pressing the power button will activate the flashlight. There are four light indicators around the power button that indicates the battery life of the power bank. Each light indicates a 25% increment, which means three lights will have 75% battery left. The power bank is charged via micro-USB.

Pictured next to iPhone 6S

There are two USB Type A ports, which will allow two devices to be charged at the same time. If you look closely, you’ll find a little lightning symbol next to the ports. The port on the left has two lightning symbols, while the port on the right has only one. This denotes that the left side will charge quicker providing 5v/2.1A, while the right side is only 5V/1.0A.

The power bank took about 8-9 hours to fully charge. This is a reasonable amount of time, especially since you can charge this while you are sleeping and take it with you when you wake up. I found that the power bank charged my iPhone 6S from 0-100% about six times. This makes the actual battery capacity closer to 10400 mAh, making it about 70% of the actual claimed capacity. This is above average compared to other power banks that I’ve tested. Also, the ability to charge your iPhone around six times is huge, especially when you are travelling. Popular phones like the Samsung Galaxy S7, which has a 3,000 mAh battery, should get around 3.5 charges. The Easy Acc power bank can charge tablets as well. Bigger tablets like the iPad Air 2 can only be charged fully one time, while smaller tablets like the iPad mini will get two full charges.

The solar-charging feature was a disappointment. The solar panel needs to be out in direct sunlight but it takes forever to charge. I left the power bank out all day and did not see a noticeable increase in battery life. Martin Lorton does extensive analysis on batteries and calculated that it would take 23.5 days to fully charge this portable battery. The test was done in six hour increments every day, so it takes around 141 hours of direct sunlight to fully charge the battery. The solar-charging option should only be used as a last resort. If you find yourself with your portable power bank and phone dead, the solar charging option after six hours of direct sunlight will give you enough juice to make a phone call.

The EasyAcc PB15000SP is a good option if you are going to use it for the power bank. The solar power feature cannot be relied on to charge your portable battery. At $49.99, this power bank is expensive compared to other power banks that are half the cost with the same capacity. If the solar power feature was improved, I could see this power bank being worth the higher price tag.

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