Covers and Powerbank chargers for smartphones also with hand crank and solar

The battery of smartphones is today one of the biggest problems related to technology, since it never lasts long and always discharges at the worst moment, when we need to make a phone call or check something on the Internet. If we cannot carry the charger with us and we are now dry from energy, we will have to equip ourselves in advance to be able to carry out an emergency charge, so that we can safely arrive until the evening or until the moment when we can finally use the phone charger.
In this guide we have collected all the more or less conventional methods with which you can quickly charge a discharged smartphone or mobile phone : it starts from the hand-crank charger to get to the solar-powered charger and the various types of energy reserves that we can use to increase the autonomy of the phone.
READ ALSO: How to use the wireless charger for Android and iPhone smartphones

Best emergency chargers

For the guide we will show you the most ecological and practical emergency chargers, also providing you with valid indications on the classic power banks and the covers with battery included, which can become the most valid solution to be able to significantly increase the autonomy of any smartphone.

Hand crank charger

If we want to use the strength of our arms to charge our phone, we can focus on a hand-crank charger such as the czaing portable charger for the mobile phone, radio and flashlight (22 €).

With it we can take advantage of our physical strength to recharge our phone in emergency situations, with the possibility of using the small solar panel built into the top of the device. In addition to the charging functions, we can listen to the FM radio and use the integrated flashlight, so that we can use this charger in all situations where there is no electrical outlet.
Obviously we should not expect charging times comparable to the electrical network: even if we load the lever at maximum force, we will hardly be able to charge more than 2% every half hour, so we leave this type of device only for really extreme situations (better to use the small one solar panel included, which manages to recover much more energy than the crank).
Below we have collected other crank loaders valid for use in case of emergency:

1. Solar Dynamo Power Rechargeable with crank (19 €)
2. Workingda Power Bank with crank 10000mAh (25 €)
3. Compass Culture Brand NOAA Solar and USB 2000mah (41 €)

Solar battery chargers

If we want to use the sun's energy to recharge the smartphone when we are camping or in the mountains, we can focus on the PEALIKER Solar Charger 25000mAh Solar Power Bank (44 €).

With this device we will be able to recharge up to 1A with direct sunlight and all the extended panels, obtaining a much higher efficiency compared to hand-cranked chargers or other smaller solar panels. In addition to charging via solar panels, it has an internal 25, 000 mAh battery, large enough to recharge any recent smartphone quickly (even without light). The presence of two USB ports will allow you to charge two different devices, so as to obtain a very effective emergency recharge.
It is currently the best method to obtain an emergency charger for any situation, even the most extreme, being able to use solar energy at most to obtain a discreet charging capacity (especially at noon or in the hours when the sun is highest). in the sky).
Below we can find other solar chargers that we can evaluate for the purchase:

1. Solar Charger 10000mAh Portable Power Bank with 2 LED Lights (21 €)
2. POWERADD Solarbank Apollo2 Portable Battery Charger Battery (23 €)
3. KEDRON Portable Charger Power Bank 24000mAh (30 €)
4. Gnceei Power Bank 24000mAh Portable Solar Battery Charger Powerbank (31 €)
5. ADDTOP Solar Battery Charger 25000mAh (49 €)

High capacity powerbank

If we want to be on the safe side and bring a large amount of electrical charge for our smartphones or electrical devices, nothing beats the expensive power banks, especially those with capacities greater than 25, 000 mAh. One of the largest powebanks we can view is Charmast 26800mAh Power Bank USB Type-C Portable Charger (€ 39).

With this powerbank we can charge up to 4 devices simultaneously, using one of the available ports: we can charge an iPhone or an Android phone in just over an hour, with the same speed as the wall charger. The high capacity of this device will allow you to cope with the most extreme situations, without having to turn a crank or wait for the sun to appear before being able to recharge.
We can find high capacity power banks galore; below we have collected the most capacious and useful ones in case of need:

1. Enjoylife Power Bank, 26800 mAh Portable Mobile Charger (26 €)
2. Portable Battery 50000mAh Power Bank 2 LED (31 €)
3. RAVPower Portable 3 Port 26800mAh Battery Charger (42 €)
4. Litionite Tanker 50000mAh Power Bank External Battery (149 €)

Cover with battery included

If we do not want to have other devices besides the smartphone, we can increase the autonomy of our smartphone by using one of the covers with the battery included, able to immediately provide additional energy to the phone by renouncing something from the aesthetic point of view.

Various types of covers are obviously available for each recent smartphone in circulation, we will only have to choose the model compatible with our phone. Below we can see some battery covers for some of the most famous phones:

1. Battery Cover for iPhone 6s / 6/7/8, 6000mAh (22 €)
2. Mbuynow Battery Cover for Samsung Galaxy S9, 4700 mAh (23 €)
3. Battery Cover for iPhone X / XS / 10, 6500mAh (26 €)
4. Huawei P20 Lite / Nova 3e Battery Case, 4700mAh (27 €)

If we have another model of smartphone not present in the list, just open the Amazon page and look for "battery cover" followed by the name of the phone in our possession.

Conclusions

If we find ourselves in the open countryside, in a forest or in the mountains and our phone is quickly running out of charge, just use one of the emergency charging systems illustrated in this guide, so you can always use the apps and navigation systems, even in extreme situations. Crank battery chargers are impractical, while solar panel systems or high capacity power banks are much more useful; the covers with battery double the autonomy of the phone but spoil the aesthetics, so we will have to be well disposed in this sense.
To increase the charging speed for all our mobile phones, we invite you to read our guide on how to increase the charging speed of the battery of your mobile smartphone or iPhone .
To keep the right charge on Android smartphones, we can read our study on how to keep the Android battery charged .