We spent many hours on research to finding charge pack, reading product features, product specifications for this guide. For those of you who wish to the best charge pack, you should not miss this article. charge pack coming in a variety of types but also different price range. The following is the top 10 charge pack by our suggestions:

Best charge pack

Product Features Editor's score Go to site
Anker PowerCore 10000 Portable Charger, One of The Smallest and Lightest 10000mAh Power Bank, Ultra-Compact Battery Pack, High-Speed Charging Technology Phone Charger for iPhone, Samsung and More. Anker PowerCore 10000 Portable Charger, One of The Smallest and Lightest 10000mAh Power Bank, Ultra-Compact Battery Pack, High-Speed Charging Technology Phone Charger for iPhone, Samsung and More.
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Portable Charger RAVPower 22000mAh External Battery Pack 22000 Power Banks 5.8A Output 3-Port (2.4A Input, iSmart 2.0 USB Ports, Li-polymer Phone Charger) For Smartphone Tablet  Black Portable Charger RAVPower 22000mAh External Battery Pack 22000 Power Banks 5.8A Output 3-Port (2.4A Input, iSmart 2.0 USB Ports, Li-polymer Phone Charger) For Smartphone Tablet Black
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USB C Portable Charger RAVPower 20100mAh Quick Charge Power Bank Type C Battery Pack with QC 3.0 USB battery bank External Battery for iPhone iPad Pro MacBook Switch Galaxy S10 Note 10 and More USB C Portable Charger RAVPower 20100mAh Quick Charge Power Bank Type C Battery Pack with QC 3.0 USB battery bank External Battery for iPhone iPad Pro MacBook Switch Galaxy S10 Note 10 and More
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Anker PowerCore Speed 20000, 20000mAh Qualcomm Quick Charge 3.0 & PowerIQ Portable Charger, with Quick Charge Recharging, Power Bank for Samsung, iPhone, iPad and More Anker PowerCore Speed 20000, 20000mAh Qualcomm Quick Charge 3.0 & PowerIQ Portable Charger, with Quick Charge Recharging, Power Bank for Samsung, iPhone, iPad and More
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EasyAcc 20000mAh Portable Charger Fast Recharge External Battery Pack Charger with 2.1A 2-Port Input 4.8A Smart Output High Capacity Power Bank for iPhone iPad Samsung Android - Black and Orange EasyAcc 20000mAh Portable Charger Fast Recharge External Battery Pack Charger with 2.1A 2-Port Input 4.8A Smart Output High Capacity Power Bank for iPhone iPad Samsung Android - Black and Orange
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ZMI PowerPack 10K Smallest Lightest 10000mAh Battery Pack Fast Charging Portable Charger Pocket Power Bank for iPhone iPad Samsung (NOT Compatible with iPhone 11 Pro/Max, Nexus, Pixel /2/3/3a/XL) ZMI PowerPack 10K Smallest Lightest 10000mAh Battery Pack Fast Charging Portable Charger Pocket Power Bank for iPhone iPad Samsung (NOT Compatible with iPhone 11 Pro/Max, Nexus, Pixel /2/3/3a/XL)
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Poweradd 2nd Gen Pilot 2GS 10000mAh Power Bank, Dual USB Port Portable Charger 3.4A High-Speed Charge for iPhone, Samsung Galaxy, Other Smartphone and Tablet - Black (Apple Cable Not Included) Poweradd 2nd Gen Pilot 2GS 10000mAh Power Bank, Dual USB Port Portable Charger 3.4A High-Speed Charge for iPhone, Samsung Galaxy, Other Smartphone and Tablet - Black (Apple Cable Not Included)
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Samsung EB-PG950CNEGUS Fast Charge 5100 mAh Battery Pack w/USB-C, MicroUSB Cable - Navy Blue Samsung EB-PG950CNEGUS Fast Charge 5100 mAh Battery Pack w/USB-C, MicroUSB Cable - Navy Blue
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Fitbit Charge 2 Heart Rate + Fitness Wristband, Black, Large (US Version), 1 Count Fitbit Charge 2 Heart Rate + Fitness Wristband, Black, Large (US Version), 1 Count
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JBL Charge 4 Waterproof Wireless Bluetooth Speaker Bundle with Portable Hard Case - Black JBL Charge 4 Waterproof Wireless Bluetooth Speaker Bundle with Portable Hard Case - Black
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Related posts:

1. Anker PowerCore 10000 Portable Charger, One of The Smallest and Lightest 10000mAh Power Bank, Ultra-Compact Battery Pack, High-Speed Charging Technology Phone Charger for iPhone, Samsung and More.

Feature

The Anker Advantage: Join the 30 million+ powered by our leading technology.
Remarkably Compact: One of the smallest and lightest 10000mAh portable charger. Provides almost three-and-a-half iPhone 8 charges or two-and-a-half Galaxy S8 charges.
High-speed-Charging Technology: Anker's exclusive PowerIQ and VoltageBoost combine to deliver the fastest possible charge for any device. Qualcomm Quick Charge not supported.
Certified Safe: Anker's MultiProtect safety system ensures complete protection for you and your devices.
What You Get: Anker PowerCore 10000 portable charger, Micro USB cable, travel pouch, welcome guide, our worry-free 18-month warranty and friendly customer service. USB-C and Lightning cable for iPhone / iPad sold separately.

Description

PowerCore 10000
The Compact High-Capacity Portable Charger

From ANKER, America's Leading USB Charging Brand
Faster and safer charging with our advanced technology
10 million+ happy users and counting

Astonishing Size
PowerCore 10000 is incredibly small and light for its large capacity. It's smaller than a deck of cards and as light as a baseball, but can charge a phone over three times and most tablets once.

High-speed-Charging Technology
Anker's exclusive PowerIQ and VoltageBoost technologies combine to ensure the fastest possible charge up to 2.4 amps. Does not support Qualcomm Quick Charge

MultiProtect Safety System
Surge protection, short circuit prevention and more advanced safety features keep you and your devices safe.

Unrivaled Quality
Designed and built using only high-quality chips and hardware.

Worry-Free Warranty
At Anker, we believe in our products. That's why we back them all with an 18-month warranty and provide friendly, easy-to-reach support.

Notes:
We strongly recommend using the original Apple charging cable (not included) to charge Apple devices.
AC adapter not included.
Not compatible with devices with an input below 50mA (e.g. some Bluetooth headsets and GPS devices).

What's in the Box
1 Anker PowerCore 10000 portable charger
1 Micro USB cable
1 travel pouch
1 welcome guide

2. Portable Charger RAVPower 22000mAh External Battery Pack 22000 Power Banks 5.8A Output 3-Port (2.4A Input, iSmart 2.0 USB Ports, Li-polymer Phone Charger) For Smartphone Tablet Black

Feature

Choose the RAVPower Treatment: Join millions of users worldwide that rely on our leading technology for their daily charging needs
Triple-Device Charging: 3 iSmart USBs automatically adjust the output up to 5.8A; Note: Power bank does not support Qualcomm Quick Charge
Colossal Battery: 22000mAh capacity charges an iPhone X for 4.9 times, a Galaxy S8 4.4 times, or an iPad mini 4 2.6 times; fully recharge in just 10-11 hours with a 2.4A charger
Safer for Longer: Secure high-density Li-Polymer battery retains up to 70-80% of its full capacity even after 500 charge-discharge cycles
What You Get: Lifetime Warranty Card, RAVPower Ace Series 22000mAh Portable Charger, 2 x Micro USB Charging Cables, Carry Pouch, User Guide

Description

DC 5V/2A or 5V/2.4A charger as well as the original usb cable are recommended to recharge the battery pack which takes about 10-12 hours.During recharging, the first battery indicator starts blinking when the power bank is being charged. When the battery level reaches 25%, the first indicator becomes solid and the second starts blinking. The pattern repeats until all indicators become solid and the device is fully charged.

Make It Three. Make It Right
Not one, not two, but three iSmart 2.0 USB ports to power up to 3 devices at once.

A Whole Week Without A Power Socket
Whether you use it for yourself or you share it with your friends, its huge 22000mAh capacity will take care of any power need you throw at it: fully charge an iPhone X up to 4.9 times, iPhone 8 7.2 times,a Galaxy S8 4.4 times, S7 up to 5 times, or an iPad Mini more than 2 times. When the power bank is finally empty, charge it back up in just 10-11 hours with a 5V / 2A or 2.4A ac adapter.

Made To Outlast
The new and improved portable charger with high-density Li-polymer battery outlasts both conventional Li-polymer batteries and 18650 cells when it comes to efficiency, performance, and protection.

What's In the Box:
1 x RAVPower Ace Series 22000mAh Power Bank
2 x Micro-USB Charging Cables
1 x Carry Pouch
1 x Lifetime Warranty Card
1 x User Guide

Note:
1.If all the 4 LED start to blink,It is because the Self - Protection mode has been turned on both USB input and output are disabled. To restore functionality, disconnect all connections and wait 10 seconds, then charge the product.

2. Compatible with the new 12 inch MacBook 2015 (USB-C to USB 2.0 cable needed) & tablets (including the Nexus 7).

3. USB C Portable Charger RAVPower 20100mAh Quick Charge Power Bank Type C Battery Pack with QC 3.0 USB battery bank External Battery for iPhone iPad Pro MacBook Switch Galaxy S10 Note 10 and More

Feature

Choose the RAVPower Treatment: Join millions of users worldwide that rely on our leading technology for their daily charging needs
Quick Charge 3.0 Input & Output: 75% faster technology, charge compatible smartphones from 0 to 80% in only 60 minutes; QC3.0 input allows for speedy recharging of the battery charger
Type-C Input & Output: The airplane-friendly power bank recharges up to 5V/3A; compatible with Nintendo Switch, 12-inch MacBook, Google Pixel 2, Samsung Galaxy S8 / S8 Plus, Huawei Mate 10 Pro
Bigger Capacity and Faster Recharge: 20100mAh charges the Nintendo Switch 2.5 times, iPhone X 4.4 times; fully recharge the power bank in just 4.5 hours (QC3.0 charger) or 10.5 hours (5V/2A charger)
What You Get: Lifetime Warranty, RAVPower Turbo Series 20100mAh Portable Charger, 2 x Micro USB Charging Cables, Micro-USB to Type-C Adapter, Carry Pouch, User Guide

Description

The First Portable Charger with Qualcomm QC 3.0 Technology
Compatible devices with Qualcomm chipset can charge up to 75% faster compared with conventional chargers. Thanks to Qualcomm QC 3.0 and RAVPower iSmart technology, the charger can simultaneously charge one Quick Charge device (e.g. Galaxy Note, Nexus 6) and one normal device (like iPhone, iPad). Charge up to 80% of the battery for QC 2.0 / 3.0 compatible devices when charging for approximately 60 minutes.

Qualcomm Certified Quick Charge 3.0

Compared to QC 2.0, QC 3.0 lets you charge your device 27% faster, has a charging efficiency 15% greater than before, and reduces power consumption by 45%. Power consumption is also reduced thanks to automatic voltage adjustments (3.6 V ~ 12 V) that match the desired current for your device.

Type-C Input and Output
With USB-C / Type-C cables (not included) you can use this product to power devices such as the newest 12 inch Apple Mac book (A1534).

Type-C port is incompatible with the Samsung Galaxy A series phone or Type-C cable or charger of Huawei P10Huawei mate9 as well as all Oppo & One Plus phone.

Specifications:
Input (Micro): 5V - 12V 2A Max (QC), 5V / 2A (Non-QC)
Input (Type-C): 5V / 3A Max
USB Output: 5V / 2.4A Max
Type-C Output: 5V / 3A Max
QC 3.0 Output: 5V / 2.4A, 6.5V~9V / 1.5A, 9V~12V / 1.2A Max

Notes:
You can take the portable charger in your carry-on luggage with you on the plane.
Please use your device's original charging cable or RAVPower's MFI / Micro-USB Cable / Type-C cable for the best possible performance.
Qualcomm Quick Charge 3.0 USB Charger and USB-C / Type-C charging cables sold separately.

4. Anker PowerCore Speed 20000, 20000mAh Qualcomm Quick Charge 3.0 & PowerIQ Portable Charger, with Quick Charge Recharging, Power Bank for Samsung, iPhone, iPad and More

Feature

The Anker Advantage: Join the 20 million+ powered by America's leading USB charging brand.
Charge Faster: Qualcomm Quick Charge 3.0 (24W) with Anker's proprietary PowerIQ and VoltageBoost technology deliver the fastest possible charge to almost any USB device.
7 Days of Power: 20, 000mAh is enough charging power to fill iPhone 7 almost seven times, Galaxy S8 more than four times and iPad Air 2 one and a half times.
6-Hour Recharge: With Quick Charge input, a full recharge is over in half the time of standard portable chargers (wall charger not included).
What You Get: PowerCore Speed 20000, travel pouch, 60cm Micro-USB cable, welcome guide, our worry-free 18-month warranty and friendly customer service. USB-C cable and Lightning cable for iPhone / iPad sold separately.

Description

PowerCore Speed 20000
The Accelerated Ultra-High Capacity Portable Charger

From ANKER, America's Leading USB Charging Brand
- Faster and safer charging with our advanced technology
- 20 million+ happy users and counting
- 99% Positive Amazon Feedback

Incredible Charging Speed
3 distinct fast-charging technologies ensure that any and all devices are charged in the shortest time possible. Never worry again about having no time to charge.

Ultra-High Capacity
PowerCore 20000 packs almost seven iPhone 7 charges or five Galaxy S8 charges into your bag or pocket. That's a whole week of charging without needing to plug into the wall.

Cool Under Pressure
The Speed series uses exclusive technology developed by Anker engineers to control its temperature when charging. If high temperatures are detected then it automatically modifies power output to reduce heat.

MultiProtect Technology
Surge protection, short circuit prevention, temperature control, and premium LG battery cells keep you and your devices safe.

Input
5V 2A
9V 2A
12V 1.5A

Output
PowerIQ 12W:
5V2.4A

PowerIQ 2.0 18W:
5-8V 3A
8-10V 2.4A
10-12V 2A

Note
Will not provide a high-speed charge for Asus ZenFone 3.
Not compatible with devices with an input below 50mA (e.g. some Bluetooth headsets and GPS devices).

5. EasyAcc 20000mAh Portable Charger Fast Recharge External Battery Pack Charger with 2.1A 2-Port Input 4.8A Smart Output High Capacity Power Bank for iPhone iPad Samsung Android - Black and Orange

Feature

20000mAh High Capacity: Charge an iPhone 7 6 times, a Samsung S8 more than 4 times or an iPad Mini 3 2 times.
Life Saver: Unique 4A Dual ports input (charger adapter not included), can be superfast recharged in 6 hours, reduce the recharging time up to 50% than usual 20000mah battery.
Highest Output: 4.8A Output with 4 USB Ports. Auto detects and changes its charging speed unique to your device for high charging speed up to 2.4A (2 times faster than a computer USB port). Charging 4 devices simultaneously.
Safety Protection: Effectively prevents your devices from overcharge, overcurrent and short circuits as well as conform to CE, RoHS, and FCC.
Just One Enough On-the-Go. The Top Rated Power Bank. Outstanding customer service provides 18 months warranty.

Description

Just One Enough On-The -Go
20000mAh capacity yet very portable, it is perfect for trips or whenever you need to charge your iPhone, iPad and other mobile devices. e.g. Business trip,traveling,parties, BBQs and outdoor activities like camping, mountain climbing and picnics.

Spacious Capacity
20000mAh can charge an iPhone 7 up to 6 times, a Galaxy S8 more than 4 times or an iPad Mini 3 about two times. There is no need to worry about your battery running out. Talk to your friends, play games, or surf the internet for as long as you want.

Save Time
Build with Dual Input Ports(4A Input), 20000mAh Power Bank can be filled up in 6 hours with 4A input, reducing the recharging time up to 50%.

4 Smart USB Output
Build with 4-Port USB Port, the power bank can charge 4 devices simultaneously. Automatically identify the type of device and deliver the suitable electric current for your device like the original power adapter by Smart Technology.

Bright Flashlight
Built-in LED flashlight for dark or low-light environments. It is useful especially you are in a pinch and need a small light during a blackout. Double clicks, flashlight is on/off.

Specifications
Capacity: 20000mAh/74Wh
Battery type: Lithium-Ion battery cell
Input: DC 5V 4A(max)
Output: DC 5V 4.8A (max)
Size: 6.57 x 3.1 x 0.86 in. / 167x 80 x22 mm
Weight: 16oz / 454g

What is Included
1 x EasyAcc Powerbank 20000
2 x Micro USB Cable
1 x User Manual
Outstanding customer service provides 18 months warranty.


How to Use the Flashlight Click the power button twice to turn on or off the flashlight.

6. ZMI PowerPack 10K Smallest Lightest 10000mAh Battery Pack Fast Charging Portable Charger Pocket Power Bank for iPhone iPad Samsung (NOT Compatible with iPhone 11 Pro/Max, Nexus, Pixel /2/3/3a/XL)

Feature

POCKETABLE AND VERSATILE: The smallest and lightest 10000 mAh portable battery pack on the market - only 6.2 oz and 40% thinner than most 10000 mAh power banks. Perfect for your pocket or bag. Thoughtful anti-slip surface ensures a secure grip. Charges tablets, phones, connected watches, Bluetooth earphones and Fitbit via three modes: high-speed (Quick Charge 2.0), normal, and low-power. Dual input interface - fast rechargeable via Micro USB or USB-C port. USB-C port is for INPUT ONLY
SUPERIOR ENERGY DENSITY AND EFFICIENCY: Uses premium battery cells with energy density as high as 664Wh/L, and delivers the same charging capacity while weighing 10% less than similar products on the market. Leverages Zimi's proprietary power management IC technology custom designed to seamlessly integrate with the premium battery components onboard and maximize their energy conversion efficiency
GUARANTEED SAFETY: Premium components and circuitry for the finest quality and safety. FCC, USTC, CEC, and RoHS certified. We have cumulatively shipped over eighty million portable chargers/power banks worldwide since 2014. We stand behind our products We stand behind our products and will make every effort to ensure that your product purchasing and ownership experience a very pleasant one
COMPATIBILITY: Works with iPhone 8 8 Plus X 7 7 Plus 6 6 Plus 6S 6S Plus 5, iPad 2 3 4 Air Air 2 2017 Mini 2 3 4, Samsung Galaxy S9 S9+ S8 S8+ S7 S7 Edge S6 S6 Edge S5 S4, Kindle Fire HD/HDX, LG, Fitbit, headphones. iPhone/iPad and other non Quick Charge devices will charge at normal speed with fast charging LED OFF. USB PD not supported. Does not fast charge Pixel. Requires separate purchase of USB-C to USB cord for Pixel
WHAT YOU GET: 1x PowerPack, 1x Micro-USB cable for recharging the PowerPack, user guide, 18-month limited warranty, and lifetime technical support by our 24/7 US-based, friendly and knowledgeable customer satisfaction team: Call (844) 828-2302 or email [email protected]. (Not Included: wall charger/AC power adapter, Lightning cable for iPhone/iPad, USB-C to USB cable for Galaxy S9/S8 and Pixel/2/XL sold separately)

Description

ZMI PowerPack 10000
Packs enough juice to charge iPhone 7 (3.7x), Samsung Galaxy S6 (3x), or iPad Air 2 (1x). Rechargeable via either Micro USB or USB-C port. High-speed (QC 2.0) recharge is enabled with an 18W QC 2.0 power adapter (not included). Recharge Time: 4.2 hrs (fast charge), 6.2 hrs (normal 5V/2A adapter).

Versatile
Caters to the needs of smartphones, tablets, smart watches, Bluetooth earphones, and Fitbit by offering three charging modes: high-speed (QC 2.0), normal, and small-current. NOTE: The blue high-speed indicator will only light if your device is fast charge capable. TO IPHONE/IPAD USERS: It is normal that the blue indicator won't light; rest assured that your device is being charged at max speed allowed by Apple.

Pocketable & Ultra-Portable, Finest Quality & Safety
Uses premium battery cells to deliver the same charging capacity at 10% less weight than most power banks. Multiple protections against overtemperature, short-circuit, input overvoltage/reverse-voltage, output overcurrent/overvoltage, overcharge/overdischarge, and incorrect connection to the portable charger. The battery cells' built-in PTC protective circuitry further safeguards against excess current and overtemperature.

Best-in-Class Efficiency
Leverages Zimi's proprietary power management IC technology to seamlessly integrate with the premium battery components onboard and maximize their energy conversion efficiency.

Specifications
Model: QB810
Battery Type: Lithium-polymer cell
Cell Capacity: 10,000 mAh 3.85V = 38.5Wh
Operating Temperature: 32 to 113 F (0 to 45 C)
Input: 5V/2A, 9V/2A, 12V/1.5A
Output: 5.1V/2.4A, 9V/1.6A, 12V/1.2A (Voltage/current levels supported by devices are automatically detected and adapted to.)
Fast Charge Protocols Supported: QC 2.0, BC 1.2
Dimensions: 5 2.71 0.5 in (127 69 12.7 mm)
Weight: 6.24 oz (177 g)
Color: Black

7. Poweradd 2nd Gen Pilot 2GS 10000mAh Power Bank, Dual USB Port Portable Charger 3.4A High-Speed Charge for iPhone, Samsung Galaxy, Other Smartphone and Tablet - Black (Apple Cable Not Included)

Feature

Upgraded Version Randomly - Please note you may get the 2.1A version one randomly. Pilot 2GS auto detect your device and deliver its fastest possible charge speed up to 2.4A at most once connected, 5V/2A input is twice as faster than 1amp input; which means you could fully charge it in only 5 hours.
10000mAh Power Bank - Enough capacity on the GO. Able provide 4 solid charges to an iPhone 6s, or at least 2.5 charges to a Galaxy S6, or 1 and a half charges for an iPad Mini.
Compact Design - Aviation Aluminum body designed to ensure lightweight and durability, compact size makes it easy to carry and fits easily into pocket.
Built-in Safeguards - Grade A+ Li-polymer cell premium microchips multi-protect system supports over-charged, over-discharged, over-voltage, over-current and short circuit protection, worry-free while using Pilot 2GS.
What You Get - Poweradd Pilot 2GS x 1, USB Cable x 1, User Manual x 1, Feedback Card x 1; What You Get - Poweradd Pilot 2GS x 1, USB cable x 1, User Manual x 1, Feedback Card x 1; Poweradd Offers 30-Day money back within 24-Month limited product guarantee and 24h*7d friendly customer service.

Description

Poweradd - The Quality And Affordable Brand In US
The Upgraded Version (3.4A Combined) Poweradd Pilot 2GS 10000mAh Portable Charger is coming, ideal solution for your charging requirements.
Much more faster charging tech but much more cheaper price make the best offer you get.

Detail makes perfect
Compact size design for portability, and the long sides of the unit are rounded to make it easy to hold. Aviation Aluminum body to ensure lightweight and durability.
Dual USB (1.0A + 2.4A) for charging 2 devices simultaneously.
The unique blue 2.4A output design makes it more easy to recognize and get a fast charge.

PowerSI Technology
Smart Identification output, intelligently identifies your devices and delivers the fastest charge.
There is no doubt that this new technology would protect your devices much better.

Wide compatibility
Since the output port is USB, it can be used to charge smartphones, tablets, and even accessories, or any other 5V USB-charged devices (cable for Apple is not included) .

Always be prepared to power
With this Poweradd Pilot 2GS 10000mAh power bank, you could get 4 full empty-to-full charges for an iPhone 6S, about 3 charges for a large capacity smart phone like Galaxy S6, and 1.5 charges for an iPad Mini.

Sufficient energy storage makes it always be prepared to power.

Ultra-long Term Warranty Promise
Here at Poweradd, we provide 24-Month limited product warranty and 24*7 friendly customer support for any purchase from us.

Use Tips
1. Recharges the Pilot 2GS with a 2amp output charger to maximize the charging speed(in 6 hours).
2. Fully recharge your Pilot 2GS before first use to activate the battery.
3. Use the included cable, your original cable or a third-party certified one.

8. Samsung EB-PG950CNEGUS Fast Charge 5100 mAh Battery Pack w/USB-C, MicroUSB Cable - Navy Blue

Feature

5100 mAh capacity provides up to 2 full charges from 0-100% on most of the latest smartphones
Charge the portable battery and a Device connected to it simultaneously with pass-through charging
Charge the portable battery and a device connected to it simultaneously with pass-through charging

Description

The Samsung fast charge portable battery gives you up to two additional full charges to your smartphone. With Samsung fast charge, Compatible devices can charge up to 1.5x faster than standard USB charging options. For other USB Compatible devices, a Universal USB Output port along with the included micro USB cable and USB-C adapter enables charging at standard charging rates.

9. Fitbit Charge 2 Heart Rate + Fitness Wristband, Black, Large (US Version), 1 Count

Feature

PurePulse continuous, automatic wrist-based heart rate tracking to better measure calorie burn all day
Maximize your workouts using simplified heart rate zones (Fat Burn, Cardio and Peak). Splash proof. Do not shower with the device or submerge it in water
See call, text & calendar notifications on the OLED display; Automatically track how long and how well you sleep and wake with a silent vibrating alarm
Get a better understanding of your fitness level and see how you can improve over time with a personalized Cardio Fitness Score; Use Connected GPS during run mode to see real-time stats like pace and distance on your wrist
Track all-day activity like steps, distance, calories burned, floors climbed and active minutes;Find moments of calm throughout your day with personalized guided breathing sessions based on your heart rate, Like all heart rate tracking technologies, accuracy is affected by physiology, location of device, and different movements.
Sync stats wirelessly & automatically to computers and 200+ leading iOS, Android and Windows devices.
Operating temperature: 14 degree to 113 degree fahrenheit, Maximum operating altitude: 30,000 feet
The minimum and maximum circumference range between 170 - 206 millimeters

Description

Fitbit will not provide warranty on international version products sold in US

10. JBL Charge 4 Waterproof Wireless Bluetooth Speaker Bundle with Portable Hard Case - Black

Feature

This bundle includes (1) JBL Charge 4 waterproof wireless Bluetooth speaker and (1) portable hard case.
Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns enjoying powerful sound.
Built-in rechargeable Li-ion 7800mAH battery supports up to 20 hours of playtime and charges your device via USB port.
Take Charge 4 to the beach or the pool without worrying about spills or even submersion in water.
*PLEASE NOTE* - The JBL Charge 4 does NOT include a USB wall adapter.

Description

Play and Charge Endlessly

Introducing the JBL Charge 4 portable Bluetooth speaker with full-spectrum, powerful sound and a built-in power bank to charge your devices. It features a proprietary developed driver and two JBL bass radiators that intensify sound with strong deep bass. Its high-capacity 7800mAh rechargeable Li-ion battery provides up to 20 hours of playtime. The speaker carries a convenient USB charge out to quickly charge your devices, such as your smartphone, so you will never run out of power again. The Charge 4 features a rugged design, IPX7 waterproof rated exterior and comes in a suite of cool colors. Together with JBL Connect+ it can wirelessly link more than 100 JBL Connect+ enabled speakers to elevate your listening experience.

Wireless Bluetooth Streaming

Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns enjoying powerful sound.

20 Hours of Playtime

Built-in rechargeable Li-ion 7800mAH battery supports up to 20 hours of playtime and charges your device via USB port.

IPX7 Waterproof

Take Charge 4 to the beach or the pool without worrying about spills or even submersion in water.

JBL Connect+

Amplify your listening experience to epic levels and rock the party perfectly by wirelessly connecting more than 100 JBL Connect+ enabled speakers.

Durable Fabric And Rugged Material

The durable fabric material and rugged rubber housing allows your speaker to outlast all of your adventures.

JBL Bass Radiator

Dual passive radiators deliver powerful, ear catching JBL sound that resonates loud and clear.

*PLEASE NOTE*

The JBL Charge 4 does NOT include a USB wall adapter.

Conclusion

By our suggestions above, we hope that you can found the best charge pack for you. Please don't forget to share your experience by comment in this post. Thank you!
Jaime Gordon