Modern smartphones and tablets are now equipped with such power, which even computers didn’t have yesterday. The computing power does not stand still, however, the situation with batteries is much worse. In 2017, the phones are equipped with batteries that offer only 1-2 days of autonomy in a mixed mode of use. And with a heavy load, the smartphone may not hold out until evening.
External batteries (Power Banks) come to the rescue. These are compact devices that have been created with a single purpose – to accumulate energy and charge external devices. On Galagram we’ve made a top 5 best external batteries for your gadgets, which you could buy in 2017.
Table of Content
1. The most capacious battery — 20,000 mAh Xiaomi Power Bank 2
- a large capacity of 20,000 mAh
- output: 5V/2.4A
- manufacturer: Xiaomi
This battery comes in a plastic casing and with a relatively compact size offers a huge capacity of about 20,000 mAh. It has the high-quality lithium polymer batteries installed inside, and the output voltage is 5V / 2.4A. With the help of 20,000 mAh Xiaomi Power Bank 2 you can even charge high-voltage devices such as Apple iPad and even Mi Book Air and MacBook laptops.
In addition, it supports fast charging in both directions: charging itself and charging connected devices. The size of this monster is 135.5 × 67.6 × 23.9 mm, and the weight is 330.5 grams. Not very small, but it can charge your smartphone with a 3000 mAh battery more than 4 times. With this kind of gadget, you don’t have to worry about autonomy at all. The average cost of this powerbank is $39.
2. Solar-powered powerbank for travelling
- solar charging
- built-in LED flashlight
- good capacity: 12,000 mAh
A huge advantage of this solution is the ability to charge the external battery itself not only by plugging it into a socket, but also using solar energy. Those who travel a lot will love this solar-powered Power Bank, because it’s convenient for usage on the road and during long distance trips.
This 12.000 mAh battery, with dimensions of 139 × 75 × 20 mm, weight of 230 grams and in a moisture protected case, is in our top 5. Of course, on its front face there is a solar battery, and on the end face there are three ports: micro USB for charging the bank itself and two regular USB for charging external devices. Approximate price in China – $15.
3. Mi Power Bank Pro — external battery with quick charge option
- Qualcomm Quick Charge 3.0
- capacity: 10,000 mAh
- charging via USB Type-C port
If the charging speed is critical for you and you can not wait long till all your devices around the house get charged, then pay attention to the Mi Power Bank Pro battery. Its nominal capacity is 10,000 mAh, and Qualcomm Quick Charge 3.0 is responsible for fast charging of your gadgets.
This gadget is charged via USB Type-C cable and has four LED indicators on the case to display the charge status. Mi Power Bank Pro goes in two colors: graphite black and female pink. You can buy this battery for about $30.
4. Power Bank with a flashlight in a protected case
- moisture and dust protected case
- two powerful flashlights
- capacity: 10,000 mAh
- carbine for fastening on a backpack
If you like wildlife, but can’t imagine your vacation without a smartphone – it’s time to get an external battery with a flashlight and additional case protection. This solution has a capacity of 10,000 mAh, several colors to choose from and advanced features like a solar battery and a built-in dual flashlight.
As you may have already guessed, the flashlights use the energy of the power bank. By the way, its body is protected from moisture, so you don’t have to worry if you spill coffee on it, or drop it into the lake while fishing. The output voltage is 5V / 2A, and the battery weight is 290 grams. You can buy the device on Aliexpress for around $15-16.
5. Power Bank with a speaker for music lovers
- music playback from a microSD card and smartphone
- can charge gadgets
- AUX out
A true music lover always has music with him. Especially for audio fans, Chinese manufacturers have made a Power Bank with a built-in speaker which can play music. The model is called Piple S5 and it can not only playing music from a microSD card, but also charge your gadget.
There are several useful features on the body of this speaker-PowerBank: 3.5 mm audio output, a port for charging gadgets, AUX output and music control keys. You can play music even from your smartphone via Bluetooth 4.0. The price is $39.