Tired of running out of battery? In our day to day, we use the cell phone for all kinds of things and this can make the battery drain quickly. If you want to always be prepared, you can choose to buy an external battery, which allows you to charge your cell phone wherever you are. In this guide we show you 4 models that you can get in Amazon for less than $ 20.

1. Anker 5,000mAh

From the renowned Anker brand, this small external battery It is ideal for people who need an extra load always with them, since it has a height of 4.2 ”and a weight of only 4.8 ounces. Its capacity is 5,000mAh, which corresponds to a full charge for models like iPhone X y Samsung S9, or up to two charges for iPhone 8. Due to its IQ technology, the USB port it offers is fast charging, ideal for compatible devices.

Available in 4 different colorsThis Anker product is priced at $ 18.99 and is the most expensive on the list. It has a button and 3 LED lights, to check the remaining charge and the brand offers an 18-month guarantee for this product.

2. Getihu 5,200mAh

At a compact size of 3.78 x 1.75 x 0.87 inches and weighing 4.4 ounces, this portable battery is ideal to carry in any pocket comfortably. It has a fast charging USB port and a capacity of 5,200mAh, which corresponds to a full charge for cell phones such as iPhone 8th Samsung S8. On the front, it has 4 LED lights that indicate the battery charge, and a power button on the bottom.

Is about The cheapest external battery, priced at $ 9.99 and a lot of positive feedback on Amazon. Customers mention that it is a good value for money product and includes a small USB light for your cell phone as a gift. In addition, they affirm that its capacity is correct to fully charge a cell phone battery.

3. Omars 10,000mAH

With a very modern and fine design, this external battery from Omars It differs by offering a charging capacity of 10,000mAh, much higher than the other models. This corresponds to a little more than 2 full charges for cell phone models such as iPhone X or Samsung S9. It has 2 USB output ports, with an included cable that adapts to 2 types of MicroUSB for Android cell phones, and also 2 USB input ports, so you can use any charger.

This external battery has a compact size of 6.9 x 0.8 x 3.7 inches and a weight of 7.3 ounces. Although it is heavier than other models, it includes a greater power and versatilityas well as a non-slip design to make it safer. On its front, it has 4 LED lights to know the actual charge of the battery.

4. Jackery 6,000mAh

With a compact and simple design, in this portable battery from Jackery we find a fast charging USB port, 3 lights in the form of a line to know the battery level and also a flashlight, something that adds functionality to this product. Its charging capacity is 6,000mAh, which corresponds to more than 2 charges for iPhone 8 and almost 2 full charges for Samsung S8.

The best-selling product in the guide, and also the biggest discount that makes it below $ 20, with a reduction of 31% to its price. On Amazon, you can find mostly positive reviews of this product that mention its aluminum body, which makes the product more resistant, and its low weight of 5.5 ounces as positive. In addition, they mention that it is a quality brand and with a very good performance in the long term.