It is an electronic device that is a mobile battery that can be charged at any time and used to charge your device via a USB port, that is, any electronic device that is charged with a USB port can be charged with a power bank almost. This, of course, eliminates several problems you may encounter due to the interruption of your charging and poor battery, and this was one of the best inventions that contributed to solving a major problem that was facing users of phones and smart devices in general.


Criteria for choosing the best pocket charger for your cell phone

There are different types of pocket charger brands around the world, and every technology company publishes a different type and with different advantages from others

Here is Criteria you need to choose Pocket chargers cell phone

Capacity and size

Approximately, this is the most important criterion that you should specify before buying any new device. If you need to charge more than once or more than one device, you need a capacity greater than 3,500 mAh, and it is measured in milliampere hour (mAh). As for the size of this capacity, it is larger than the pocket size, because its battery is of a larger size so that it is charged more than once and lasts with you for as long as possible. As for the capacity less than 3,500 mAh, it is suitable for a one-time charge and for a little and quick use, and its size fits the size of your pocket cell phone charger and does not take up a lot of space.

The number of device entrances

When there is more than one entrance in the pocket chargers for cell phone, this will help you to charge two devices at the same time, and this feature is very important if you use more than one device when you are on the move. And the multiple inputs are often with different voltages of 1.5 A or 2.1 A, you can use the lowest voltage output to charge your cell phone or the highest voltage output.

Charging speed

 One of the most important features that those who want to buy a pocket cell phone charger are interested in is the charging speed, because of its importance in charging quickly, especially when the fast charging feature is available, and it may provide you with faster charging than usual by charging your phone by 50% within 30 minutes, for example. This is done by adjusting the voltage or amperage in some power bank devices to give you less time to charge your device. Among the most common names for the fast charging feature are (Adaptive Fast Charging) in Samsung, and (Quick Charge) in Qualcomm.

Types of Pocket cell phone charger

Pocket wireless charger

It is the world standard factor in wireless charging. With a power of 5 to 15 watts, it can recharge small stations, such as smartphones. And in the future, laptops too.

To recharge a terminal, such as a modern headphone or smartphone, it is no longer necessary to connect it to an electrical outlet using a USB cable and charger. The market standard now allows pocket wireless charging via magnetic induction.

If several technologies clashed to claim the setting of the world standard, it was Qi who ended up winning. This “de facto standard” is the result of a consortium of industrialists, the Wireless Power Consortium (WPC). It brings together the major smartphone manufacturers (and more than 650 member companies), including the three largest in the market: Samsung, Huawei and Apple.

Pocket wireless charger feature


Many workplaces now have Pocket wireless charging pads, with which you can charge your smartphone anywhere outside of your phone very easily, without the hassle of searching for a USB connection and a wall socket.

When choosing a pocket cell phone charger, you should pay attention to the pass-through feature, which is useful in specific cases. When your cell phone and pocket charger are charged together, the power will pass and charge your cell phone at the same time. The wireless charging feature of the pocket that is supported by many modern smartphones is one of the points that may interest you in the pocket wireless charger .

  • You can charge your cell phone by placing it on top of the pocket charger without any wires required.
  • Easy, simple and fast way to charge your cell phone at any time.
  • It reduces the use of the USB port and thus reduces the possibility of damage or malfunction.
  • A safe way to transfer power, unlike USB connection, which may sometimes cause rain.
  • Many workplaces now have wireless charging pads, with which you can charge your        
  • smartphone anywhere outside your phone very easily, without bothering to search for a USB connection and a wall socket.

Pocket rocket charger

The ZMI LevPower M10 Pocket rocket charger (WPB100) is an all-in-one pocket charger  that’s tailored for Apple users with 18W PD bi-directional fast charging, 10W wireless charging, and a convient Lightning input port. It is also MFi certified and Qi certified. The Pocket rocket charger  has an anodized aluminum alloy casing with a matte finish in grey. The wireless charging area is made of plastic anti-slip rubber coating. Our unit is a bundle version which comes with a braided USB-A to Lightning cable.

  • Model: WPB100
  • Cell Capacity: 10,000 mAh, 3.7V, 37Wh
  • Input (USB-C port): USB PD 5V/3A, 9V/2A, 12V/1.5A (18W max)
  • Input (Lightning port): 5V/2.4A (12W max)
  • Wireless output power: 7.5W for iPhone 8 / 8 Plus / X / XS / XS Max / XR; 10W for S10 / S10+ / S10e / S9 / S9+ / S8 / S8+ / S7 / S7 edge / Note9 / Note8 / Note5; 5W for other wirelessly-chargeable devices
  • Output (USB-C alone): USB PD 5.1V/3A, 9V/2A, 12V/1.5A (18W max)
  • Output (USB-A alone): 5V/2.1A (10.5W max)
  • Output (USB-C & USB-A): 5.1V/3.6A (18.36W total)
  • Weight: 10.72 oz (304 g)

Pocket rocket charger Features

  • Qi certified wireless charger
  • Apple MFi certified for safety of charger and device
  • USB Power Delivery 18W via USB-C port
  • Also rechargeable via Lightning port at 5V/2.4A (12W)
  • Non-skid wireless charging pad
  • Works hand in hand with new iPhone 11/11 Pro/11 Max

Pocket charger mini

pocket charger  these days have improved a lot in the battery department, making pocket charger mini  . They now come with smallest batteries that last long, more power-efficient chips and faster charging, which may often make you forget about charging your phone. But for those who travel frequently, a power bank is still a much-needed accessory to have in the bag.

Capacity: First and foremost, make sure the pocket charger you use has the capacity to fully charge your device in one go. So take into consideration what devices you’re going to need the charger for, and for how long you’re going to be away from an outlet and will need it. Check the pocket charger for mAh (milliamp hours), and compare it to what you really need, whether that’s a small 3,000 mAh battery (great for phones),

Size: The idea behind the portable charger is that it should be, you know, portable. So don’t forget to think about the size and weight of the pocket charger mini  when shopping around. Are you carrying a bag or do you want something to slip in your back pocket?

Compatibility: Keeping in mind what kind of device you need to charge, and how many devices you’ll want to charge at once, which will make a difference when shopping. All of our chargers work with both iPhones and Androids, though be sure to note the type of cable you’ll need to connect to your device.

Keep in mind the pocket charger itself will need to be charged up after it juices your devices. The best power banks can dispense enough charge to power up a phone 2-3 times, or fully charge a laptop once. After that, they will need to be plugged in to re-charge, a cycle that could take a few hours.