7 best power bank for smart phones

A power bank for smartphones is a portable device that stores electrical energy, allowing users to charge their smartphones or other electronic devices on the go. It typically consists of a rechargeable lithium-ion or lithium-polymer battery, input and output ports, and control circuitry.

Here are some key points related to power banks for smartphones:

  1. Battery Type: Power banks commonly use lithium-ion or lithium-polymer batteries due to their high energy density, lightweight design, and ability to hold a charge for an extended period.

  2. Capacity: The capacity of a power bank is measured in milliampere-hours (mAh) and indicates how much charge it can hold. Higher capacity power banks can provide more charging cycles for a smartphone.

  3. Output Ports: Power banks have one or more USB ports or other connectors to allow charging of smartphones and other devices.These ports vary in terms of output amperage, affecting the charging speed.

  4. Input Port: This is where the power bank is charged. It typically uses a micro-USB, USB-C, or Lightning connector for recharging the power bank itself.

  5. Charging Speed: Power banks with higher output amperage can charge smartphones faster. Some power banks also support fast charging technologies like Qualcomm Quick Charge or Power Delivery (PD).

  6. Size and Portability: Power banks come in various sizes and designs, from small and pocket-sized to larger, higher-capacity options. Portable power banks are convenient for on-the-go charging.

  7. Safety Features: Modern power banks often include safety features like overcurrent protection, overvoltage protection, short circuit protection, and temperature control to ensure safe charging for both the power bank and the connected device.

  8. Compatibility: Power banks are compatible with a wide range of devices, including smartphones, tablets, Bluetooth earphones, and more, making them versatile accessories.

Regular maintenance of a power bank involves keeping it clean, avoiding extreme temperatures, and periodically recharging it to maintain its capacity. Using high-quality charging cables and avoiding overcharging or over-discharging the power bank helps in extending its lifespan.

In summary, a power bank for smartphones is a portable charging device with a rechargeable battery that allows users to charge their smartphones and other electronic devices while on the move. It offers convenience and ensures that your devices remain powered throughout the day.

Below you can find our editor's choice of the best power bank for smart phones on the market
  

4Ports Portable Charger 30000mAh & Suhper Bright Flashlight Quick Carge Phones USB Power Banks for Smart Phone Camera Games Console Bluetooth Headphone External Battery Pack etc.

LEKPHEET

Based on 565 reviews Check latest price

Product description

Portable charger/power banks Works for cellphone tablet camera games console player bluetooth headset speakers DV etc.

When the device is fully charged by the power bank, charging will stop automatically

to save the power and protect the device.

When the power bank is fully charged, charging will stop automatically to protect the

power bank



Capacity 30000mAh

Input: 5V 2A/1A

Output: 5V 4.8A (MAX 2A/USB)



Product list:

1 piece Power bank

1 piece Charging cable (USB to Micro USB short cable for charge power bank)





Our company also provide latest technology to some mobile phone manufactures, computer manufacturers,

display material manufacturers. At present, we devote ourselves to carrying out

development & research for development and application of grapheme together with Huawei

as so to provide, safe, excellent and friendly use experience to global users.



We also provide latest technology to some mobile phone manufactures, computer manufacturers,

display material manufacturers. At present, we devote ourselves to carrying out

development & research for development and application of grapheme together with Huawei

as so to provide, safe, excellent and friendly use experience to global users.





If you don't use the product for a long time, please fully charge the product to better protect the battery and increase its service life

  • With a large area of COB flashlight newly added at the bottom can be used for tourism, outdoor camping emergency lighting and provide long-term bright lighting
  • 4 Ports USB output offers up to 4.8A, with each USB port of 2A max. It can charge 4 devices simultaneously, ensuring that your family or friends have enough battery life to last a day when you are on the go. Such as:cell phone camera Tablet games console portable Bluetooth speaker DV etc
  • 4xUSB ports output ports, capable of charging 4 devices at the same time, helping solve power concerns when your family or friends go out and also charging the camera.
  • The second generation of products. the soft rubber oil process of the shell, makes you feel very comfortable.
  • Package contains power bank and USB to Micro USB charging cable.Warm and Friendly service,as long as you contact us,we will help you,Unconditional Return service.

User questions & answers

Question: It’s one day past return date of the beginning of yesterday😒,is it a possibility that i could return it because i was told the iphone11proworked
Answer: Hi thanks for your question and definitely yes this vlogging kit fits for iphone 5c since there is 3.5mm jack on your phone so the mic in this kit is compatible for your iphone. And the phone clamp has adjustable spring that you can pull apart to fit any size phone securely.any other question just let me know. thanks
Question: Is this charger TSA approved
Answer: This will work with the newer iPhones, however you will need Apple's headphone to lightning adapter to connect it, as the newer iPhones don't have a headphone jack. If you don't have one, you can purchase it here: https://www.amazon.com/dp/B01LXJFMGF/
Question: Which port do you plug into to charge unit. (There are two ports on the side
Answer: No. That is one reason I returned. Was only able to use the main camera
Question: Does this work with android phones
Answer: Yes it gives power to the light , it’s a usb cord. Fits the with the light yes.The light also can run off batteries.

High Capacity 10000mAh Quick Charge QC 3.0 Portable Charger Fast Speed Charging Dual Input Thin Power Bank Compatible For iPhone iPad Samsung Galaxy Mobile phone & Android Smartphone Device Space Grey

BESTMARS

Based on 501 reviews Check latest price

Product description

Specifications:

Product Type: Grade A Lithium-ion Polymer Battery

Housing: Premium Aluminum Alloy

Capacity: 10000mAh

Input(Micro-USB): 5V/3A, 9V/2A, 12V/1.5A

Input(Lightning): 5V/2A

Output(USB): 5V/3A, 9V/2A, 12V/1.5A

Operating Temperature: 0-45℃

Charging Time: 5-8 hours

Compatible with:

Apple iPhone XS XS MAX XR iPhoneX iPhone8/8+ iPhone7/7+ iPhone6/6+/6S/6S+ iPhone5/5S/SE/5c, iPad, iPad Mini etc

Samsung galaxy Note9 Note8 Note5 Note4 Note3

Samsung galaxy S9 S9+ S8 S8+ S7 S6 S6 edge S5 S4

Many other Android phones like Huawei, Xiaomi ZTE etc. and other devices

Attentions: Lightning cable, USB-C cable and AC adapter are not included, the included cable is a micro-usb cable

What You Get:

Bestmars 10000mAh Power Bank BM02 x 1

Micro-USB Cable x 1

User Manual x 1

Protective Pouch x1

24 months warranty, 30 days money back, 24 hours friendly customer service

Tips:

For first use, please fully charge the power bank in order to reach its full potential

Please do not use unqualified chargers or cables to recharge the power bank

Although this power bank uses advanced quick charge 3.0 technology, it is fully compatible with QC 2.0 or 1.0 regular charging speed devices(it detects your device and give its fastest and safest charge)

  • ✅【Fast Speed Charging】Bestmars 10000mAh Power Bank Equipped with Quick Charge 3.0 Solution, offer one of the Highest Charging Speed in the market for both charging and recharging, it is also 100% back-ward compatible, intelligently detects and charges your devices at its max speed.(iPhone XS MAX XR X 8 7 6 Plus, iPad Mini/Air / 4 3 2, Samsung S7 Plus, Note 5, Google Nexus, LG, etc and more.)
  • ✅【High-Capacity and Slim Size】10000mAh Capacity Power Bank with Grade A+ li-polymer battery cell inside - Enough capacity to provide 4 solid charges to an iPhone 6s, or at least 2.5 charges to iPhone X, or 1 and a half charges for an iPad Mini.
  • ✅【Dual Input】Built-in Micro-USB and Apple (iOS) input ports, you can recharge the power bank with either the included micro-USB cable or your own iPhone charging cable, so only 1 cable is needed for carrying around, very convenient(Note: Apple charging cable is not included)
  • ✅【Safe to Use】Ultra reliable grade A+ li-polymer cells and premium microchips ensure safety and durability. UL 2056 Certified protection system provides surge protection, termperature control and more advanced safeguards to protect both you and your devices
  • ✅【What You Get】1* Bestmars Power Bank, 1* Micro USB Cable, 1* Protective Pouch, 1* User Manual, 24 hours friendly customer service & 24 Month Warranty (Note: iPhone charging cable not included, USB-C cable, AC adapter not included, Apple devices and USB-C devices need to be charged by your own cable)

User questions & answers

Question: do i need to remove phone from case before charging
Answer: Make sure you get the Micro USB cable end to fit your phone. I don't think the Samsung Sky has Fast Charge, does it? Either way this Charger is backwards compatible and works great!
Question: Is this compatible with a Samsung Galaxy a
Answer: I don't know what would fit the LG V20, this charger fit my LG G5. It charges it fine but not a fast charge just a normal charge.
Question: Does this fit the android galaxy s6 edge plus phone
Answer: Not this charger, the connection too small
Question: Does it work for iPhone 8 plus
Answer: yes, charges cell quickly

Product features

Stylish and Ergonomic

Ergonomic design and Stylish CD textured button

Convenient iOS Input & Micro Input

Use your own Apple charging cable to charge both your iOS device and power bank

Beautiful & Sturdy Built

Premium aluminum alloy housing and anti-fingerprint anodized finish

Slim and Lightweight

One of the thinnest 10000mah power bank in the market(only 0.5in thickness and 0.58 lb weight)

Portable Charger Power Bank 25800mAh [Newest Black-Red Fashion Design] High Capacity External Battery Pack with LED Status Indicator, 2 USB Ports Power Bank for Smart Phones,Tablet and More

Feob

Based on 515 reviews Check latest price
  • 【 Newest Fashion Design Portable Charger】The black and red colors combined make this portable charger more fashion and stands out.
  • 【25800mah High Capacity Portable Charger】The 25800mAh Portable Charger can charge your Phone 5-6 times, Suitable for daily work usage, business and travel. You do not worry the battery run out suddenly.
  • 【Power Bank with Safety Protection System】Built-in Advanced Smart protection system. protects your Phone against over-current,over-heating,over-charging, over-voltage and short circuits .
  • 【Charge 2 Phone at the Same time】This Power Bank have 2 USB ports, you can charge two devices at the same time, quickly providing enough power for your Phone.
  • 【What You Will Get 】Feob 25800mAh portable charger x1, Micro USB cable x1, User manual x1. We offer 24-month friendly customer service and 24 hours online service, any question, please contact us.

User questions & answers

Question: Do you have a case that will fit this power bank
Answer: No, do not have cade
Question: How long to charge power bank
Answer: Hello, thanks for your question. if you use 2 A adapter , it need take about 4-6 hours to charge it fully. if you use 1 A adapter . it need take about 8-10 hours. hope you can understand. it is 25800mah high Capacity power bank. thanks.
Question: Can i take this power bank to airplane
Answer: yes,it is Meet the civil aviation safety requirements, you can take it to airplane. Thanks.
Question: will this work in a heated vest? that takes a 5v/2A 10000mah powerbank? I'm not that tech savy
Answer: Yes I believe it will I plugged a cheap Chinese one, my wife bought for my son into the charging bank that I use to recharge my iPhone and iPad. It worked like a champ!

Product features

High Capacity Portable Charger

The 25800mAh portable charger is Ultra-High Capacity,Charge an iPhone 8 almost 5 to 7 times,Suitable for daily work usage, business and travel. Really a lifesaver for your Phone.

Universal Compatibility

This power bank equipped with USB Ports,Compatible for all Phone ( like iPhone, Samsung,Huawei ,Xiaomi & etc), Tablet and Other USB Devices.

Dual Output Ports

Dual USB ports Design: you can charge two devices at the same time, quickly providing enough power for your Phones.

Charge anyway and anytime

The portable charger Meet the civil aviation safety requirements, you can take it to the airplane. Charge anytime and anywhere.

iWALK Wireless Power Bank 5000mAh, Mini Portable Charger by Sticking to Phone, Compatible with iPhone 12/12 Mini/Pro Max/11/11 Pro/SE 2/X/XS/XS MAX/8 and Samsung S20/S9/S9+/S10/Note 20

IWALK

Based on 239 reviews Check latest price
  • Stick & Charge:One step for charging. Stick this portable charger on the back of your smartphone, then conveniently wireless charging your devices without any cords.
  • Portable & Light:Unique designed to easily hold while talking on your phone, also can put in pocket, clutch bag or purse handbag easily.
  • Hands-Free:Come with a phone stand and ring, you can stand your phone up to watch movies, read books or study with your phone easily!
  • Moderate Capacity:5000mah capacity can charge your phone about 80-100% and more. Gives your phone the extra boost it needs at the end of the day.
  • Universal Compatibility::The portable cell phone charger support "Qi" wireless enabled devices. Including:iPhone 11, 11 Pro, 11 Pro Max, SE 2, Xs, XR, Xs Max, X, 10, 8, 8 Plus. Samsung Galaxy Note8, Note9, S10, S10+, S9, S9+,S8, S8+/S8 Plus and other supports wireless charging devices.

User questions & answers

Question: Funciona con samsung z flip
Answer: No se para el Z flip pero para el 10+ funciona bien debe de servirle
Question: Can i change it from one case to another? Will it keep sticking
Answer: Yes, still keep sticking as long as your case is silicone. After using my iWALK wireless power bank I’ll unstick it from my phone.
Question: How watts they have ? Velocity charger
Answer: It is 5 watts
Question: Can this charger work with Pixel phone
Answer: Good product

Product features

Frequently Q&A

- In general, the new mobile phones in the past two years have wireless charging functions, but some models do not have this function, please check your phone model.

Why can't I stick it to my phone?

- The newly received battery pack has a protective film on suction cup , You need tear off the film at first.

- Please notice the battery pack only suitable for smooth surfaces. If your phone case is rugged like leather, textile fabric etc, you have to use the battery pack as a normal wireless portable charger.

Portable Wireless Charger

Universal Compatibility: Supports all Qi enabled wireless charging devices such as

iPhone ,Samsung Galaxy Note, LG , Nexus, MOTO Droid, Nokia Lumia

Other Enabled Phones and Tablets.

Nano-Section Technology

Stick on your smartphone and conveniently charges your devices

It hardly weighs anything and the size is the best part.

Two-Way Charging Port

The USB-C port form dual charging function.

- Load the powerbank (Using include USB-C cable )

- Charging your smartphone (Using USB-C to USB-C cable)

Phone Stand On the Go

No matter where you are, you can stand your phone up to watch movies, read books or study with your phone easily!

Extremely light, and easy to bring out

Compared with other rechargeable battery, it is much more convenient.

It fits well in woman's bag and it is effective to charge the phone.

What You Get

50000mAh Wireless Pwerbank x1

USB-C Cable x 1(USB-C to USB charging cable)

User Manual x 1

Krisdonia Portable Laptop Charger ( TSA-Approved ) 92.5Wh/25000mAh Travel Laptop Power Bank External Battery Pack for Laptop, Tablet, Smartphone and More

Krisdonia

Based on 173 reviews Check latest price
  • Adjustable DC Output: With the five most commonly used DC voltages, the Krisdonia 25,000 can directly charge your laptop without needing your laptop charger. Double click to set the voltage from 5V to 20V.
  • Super Power & Portable Size: Loaded with a 25,000mAh battery you never need to worry about being stranded without power. Size 5'' x 5.9'' x 1.1'' and weight 1.5lb make it easy to carry on. You can quickly put it in your briefcase, backpack or carrying bag when you're on the go.
  • LED Digital Display & Fast Recharge: Bright Led display built in battery to show the DC voltage and battery level. DC-IN 19V/2A enables our power bank to be recharged in just 3-3.5 hours.
  • PASS THROUGH: Builds in PASS THROUGH function, that is to say that you can simultaneously charge the power bank and the devices. The function is activated by pressing the button for 2 seconds while the power bank is recharging.
  • Warranty: Krisdonia comes with a 1-year limited warranty and lifetime customer support. The Krisdonia 25000 includes a USB-A fast charging cable and a Magsafe 2 cable. TYPE-C converter sold separately.

Product features

Bright LED Display

Builds in bright LED digital display

You can easily know the DC voltage and battery level of the power bank to avoid being left without energy.

Technology QC3.0

High powered USB-A 18W QC3.0

Charge your mobile devices with our high powered USB-A port. Capable of outputting up to 18W of power, you can charge up your mobile devices at lightning speed. It is also compatible with QC 3.0 and can fast charge many modern mobile devices including:

  • Samsung Galaxy S6 and newer (QC 2.0)
  • LG G5 and newer (QC 3.0)
  • Xiaomi Mi 5 and newer (QC 3.0)

Ultimate Charging Efficiency

5V / 8.4V / 9V / 12V / 16V(16.5V) / 20V(19V, 19.5V)

With the five most commonly used DC voltages, the Krisdonia 25,000 can directly charge your laptop without needing your laptop charger. This portable and lightweight charging solution provides the ultimate in charging efficiency.

Pass Through Function

Builds in PASS THROUGH function, which means that it can power other devices while the power bank itself is charging. The function is activated by pressing the button for 2 seconds while the power bank is recharging itself. The display will change from 19V input to 5V output.

Package Including

Krisdonia Laptop power bank x 1

Home charger x 1

DC cable x 1

Magsafe2 Cable x 1

USB Cable x 1

Laptop Connector x 28

Multifunction bag x 1

User Manual x 1

ADCB POW1 - Emergency USB Battery Powered Power Bank Compact Portable 4 AA Batteries Ideal for Smartphones, Tablets, Mobile, Apple, iPhone, Android

ADCB

Product description

This compact, portable USB power bank allows devices to be charged from 4 AA batteries while on the move. Ideal for smartphones, tablet computers and many other devices.  

  • Powered by 4 AA batteries  
  • Features a battery level indicator (green for alkaline and blue for rechargeable)  
  • Power supply: 4 x AA batteries (not supplied)  
  • Output voltage: 5Vdc  
  • Output current: 800mA  
  • Dimensions: 79 x 34 x 34mm  
  • Weight: 40g 

  • Batteries not included
  • Features a battery level indicator (green for alkaline and blue for rechargeable)
  • Requires 4x AA batteries

User questions & answers

Question: does it discharge batteries
Answer: Package Contents: 1 x Charger 3 x Batteries 1 x USB Charger Cable 1 x Small Carrying Case 3 x Plastic Battery Cases 1 x GoPro Lens Cap 1 x Lens & Screen Cover
Question: Is there a distinction between the two usb ports? one is listed as 2.1a and the other 1.0a. will this effect their use
Answer: I have a GoPro hero 5 and Hero 6 and this charges three batteries at a time. I have GoPro batteries. I see no difference in the time the batteries take to charge nor how long they operate before being too low to operate the GoPro between the TELESIN and charging in the GoPro. But I do note the GoPro gets hot when charging and the TELESIN does not.
Question: Is it dual voltage
Answer: Not compatible.
Question: v or 1.5v
Answer: It holds a charge, but should be plugged in and recharged after each extended use. Great product!

Product features

EBL 808U rechargeable AA AAA Battery Charger and 16 Pack 2300mAh AA Rechargeable Batteries

Compatible

1. Freely charge 2/4/6/8 AA AAA Ni-MH Ni-CD rechargeable batteries;

2. Support to charge your 2 different phones or 1 tablet while charging batteries.

Note: Please don’t charge alkaline or lithium batteries.

Multiple Protection

Adopting -∆V intellectual cut-off charging method automatically turns into trickle charge to prevent overcharge, short-circuit reverse polarity or any other malfunction for optimal charging protection.

Package

1 X EBL 808U Battery Charger

8 x 2800mAh Rechargeable AA Batteries

1 X User Manual

1 X AC Power Cable

Build-in 2 USB Fast Charge Port

1. Freely charge 2/4/6/8 AA AAA Ni-MH Ni-CD rechargeable batteries;

2. This multi-purpose battery charger comes equipped with 2 USB ports (USB 1: 5V/2.1A, USB 2: 5V/1.0A) for charging a smartphone, iPad or other USB device while charging batteries.other USB devices

Patent Trickle Charge Mode

Adopting -∆V intellectual cut-off charging method, automatically turn to trickle charge, overheat-detection to prevent over-charging, short circuit protection and reverse polarity protection.

Specification

Input:100-120V AC MAX:4A

Output:2.4V DC 180mA

USB Output: 5V/1.0A 5V/2.1A

Battery Charge Rate:>90%

Size: 7.2 x 3.7 x1.1 inch Weight: 5.9 oz

Compatible AAA & AA Batteries

1. Freely charge 2/4/6/8 AA AAA Ni-MH Ni-CD rechargeable batteries;

2. Support to charge your 2 different phones or 1 tablet while charging batteries. Note: Please don’t charge alkaline or lithium batteries.

Auto & Smart Indicator

EBL 808U with personality LED indicator shows the charging process Red means charging; Green means fully charged.

Good Heat Dissipation

Efficient prevents overload, over heating, over current & voltage, and short circuit for safer, faster charging, EBL always provide you a safety environment, reliable battery charger.

Aikove Portable Charger Solar Power Bank 24000mAh External Battery 4 USB Ports with 3 Input Ports (Micro 2.4A USB) for Other Smartphone, Tablets (Orange)

Aikove

Based on 2 reviews Check latest price

Product description

Aikove Portable Charger Solar Power Bank 24000mAh

  • 【Quality charging】 Suitable for most of the cell phones on the market, for example, 20,000mAh capacity can charge iPhone 11 5 times, or Samsung S10 4 times, or iPad Air 2 times.
  • 【4 Way output】All 4 USB output ports are 2.4A output ports, which can provide fast charging for your device, while the 4 ports also allow it to share power with your friends.
  • 【3 Way input】 The Aikove 24000mAh power bank can be charged by lightning or micro USB cable or Type-C. You can therefore conveniently use the same cable to charge both your phone and the portable battery.
  • 【Solar Charging or DC 5V / 2.1A Input】 Can be charged via the large integrated solar panel or directly with the 5V / 2.1A DC port Note: It is recommended to recharge via the DC input to minimize the time.
  • 【Per package Includes】The Aikove 24000mAh USB charger, micro USB cable, user guide. Durable A + lithium-ion battery allows for over 500 charging cycles, built-in overvoltage, and overload protection. Our 24-month worry-free warranty and friendly, helpful customer service.

User questions & answers

Question: How many times can I charge my iPhone 11 Por
Answer: Black long is exactly that haha it's a bit longer than the black it has an additional clasp in the front and it has more coverage over the hips.
Question: Can I bring it on the plane
Answer: I'm 5"2, and its a bit long for me. It's literally right there over my butt crack (sorry for that extra detail, but it's worth mentioning because it makes it hard to use the bathroon). Next time, I'll definitely look for one that's a few inches shorter

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