The Best power bank for s21 Guide: Top 10 Reviewed and Compared

Venturing into the universe of power bank for s21 choices can be quite the challenge. Fret not, as we’ve delved into meticulous research to simplify your exploration, delivering the thoughtfully curated top 10 Best power bank for s21 selections, each tailored to cater to a range of unique needs.

These choices have surfaced after thorough evaluation and rigorous testing, emerging as exceptional contenders that perfectly match your specific requirements. In the midst of the myriad options, not all can align with your goals, preferences, or budget.

Our aim is to enhance your journey, alleviating the common obstacles associated with procuring or utilizing power bank for s21 items showcased in our compilation.

As we set out to uncover the ultimate power bank for s21, our spotlight shines on INIU Portable Charger, 22.5W 20000mAh USB C in & Out Power Bank Fast Charging, PD 3.0+QC 4.0 LED Display Phone Battery Pack Compatible with iPhone 15 14 13 12 Pro Samsung S21 Google iPad Tablet, etc., an exemplary leader defined by key benchmarks: materials, quality, durability, longevity, and performance.

Best power bank for s21 Essentials: Top Recommendations and Buying Tips

INIU Portable Charger, 22.5W 20000mAh USB C in & Out Power Bank Fast Charging, PD 3.0+QC 4.0 LED Display Phone Battery Pack Compatible with iPhone 15 14 13 12 Pro Samsung S21 Google iPad Tablet, etc.


$39.99

$28.91


 in stock


7 new from $28.91
177 used from $22.49

Free shipping


Amazon.com



as of November 28, 2023 7:21 am

Features

  • ✅【From INIU–the SAFE Fast Charge Pro】Experience the safest charging with over 38 million global users. At INIU, we use only the highest-grade materials, so we do have the confidence to provide an industry-leading 3 years warranty.
  • ✅【Charge Your Phone up to 61% in 30 Mins】With the upgraded 22.5W output plus the latest PD3.0 & QC4+ fast-charge technologies, your phone can be charged at 61% in just 30 minutes.
  • ✅【Charge Your iPad Pro up to 34% in 30 Mins】Most power banks in the market cannot charge your iPad or charge at a snail’s pace. However, INIU with 22.5W high-speed output can charge all the existing iPad even the newest one at FULL speed.
  • ✅【2023 Version USB C Input & Output】Unlike most chargers featuring a USB C input only, INIU MegaPower 22.5W has a USB-C In & Out port to perfectly fit your new iPhones, iPad and all upcoming USB-C devices.
  • ✅【Charge THREE at Once】With one USB-C port and two USB ports built-in, it can juice up THREE devices simultaneously. Triple-port design allows you to share portable power with families and friends.

NVUU Portable Charger USB C for iPhone 15 Android 2 Packs 5000mAh Power Bank with Built in Cable, Battery Pack Charger for Phones: Samsung Galaxy S21/S20/S10/S9,Note 20/10/9,Moto,LG,Google Pixel


$39.99


 in stock


Amazon.com



as of November 28, 2023 7:21 am

Features

  • 【Design for iPhone 15 USB C Phones with Built-in Cable】Portabe phone charger for iPhone 15 is widely compatible with iPhone15, 15Plus, 15Pro, 15ProMax, Samsung S21, S20 FE, Galaxy A52, Note 20 Ultra, S10 Plus, S10, S10e, Note 9, S9 Plus, S9, Note 8, Galaxy Fold, Flip 3 and Fold 3 Series; For LG, Moto, Google Pixel or other Android USB C Phones etc. Plug-in and power on without extra cable for charging.
  • 【2 Packs 5000mAh Portable Charger Android】Single power bank is 5000mAh, best emergecy portable charging source for USB-C devices, normally 0.8~1.0 charge for your Phone, which allows you enjoy the outside activities without worrying about your phone power off. You can use the type-C Cable(Package Included) to charge this mini power bank
  • 【Lightweight & Compact Power Bank】Ultra small and ultra lightweight, single unit dimensions is only 76*46*24.7mm (2.99''x1.8''x0.97''), single unit only weigh 0.2lb, easy to carry where you want to go and no need cables. Package List: 5000mAh power bank usb c x 2, USB C cable x 2, User manual x1, share with family and friend.
  • 【Intelligent Protection Pass-Through Technology】Portable charger usb c bulit-in Intelliegent Controlling IC can effectly prevent your power bank overcharge, overvoltage, overcurrent and short circuit. Cordless Portable Charger can be charged when charging your phone at the same time, which ensures your phone works longer when you need.
  • 【Pocket Battery Pack for Daily Use】Phone charger android is the best charging companion for travel and outdoor activities, pocket-sized body with large capacity allows you timely charging anytime and anywhere, include on plane. It also slides easily in your pocket, wallet and purse, allows you to easily use your phone with one hand.

Mini Portable Charger 5000mAh Power Bank, 15W PD USB C Cell Phone Portable Power, LCD Display Battery Pack Compatible With iPhone 15/15 Plus/15 Pro/15 Pro Max/Android Phone/Samsung Galaxy/Moto/LG etc


$29.95

$23.95


 in stock


3 new from $23.95

Free shipping


Amazon.com



as of November 28, 2023 7:21 am

Features

  • Fashion Design Ultra-Compact Portable charger: Smooth face and better texture makes it elegant and unique, Size of a lipstick,not need a cord it’s easy to slip in your pocket or your purse and when you need it you have a charger right then and there.
  • Warm Tips: This power bank is not suitable for Iphone!!! Feob Portable Charger Guarantee: Three Years Warranty + LIFETIME technical support for our 2022 Newest Updated Version Mini USB C Portable Charger.
  • Power Bank Feature: More performs in safety efficiency and compatibility etc with Advanced intelligent controlling IC 100% checked and continuous aging test which it will brings you unprecedented convenience,durable ABS material work together protecting your phones from overcharging, overheating or short-circuiting.
  • Portable Charger USB C Output: Widely compatible with Samsung S21, S20 FE, Galaxy A52, Note 20 Ultra, S10 Plus, S10, S10e, Note 9, S9 Plus, S9, Note 8, Galaxy Fold, Flip 3 and Fold 3 Series; compatible with LG G7 ThinQ, V40 ThinQ, V35 ThinQ, Stylo 4, G8, G6, Q6; compatible with Moto G7, G6, G7 Power, G7 Plus, G7 Play, Moto Z2 Play, E5, G6 Plus, Z3 Play etc; compatible with Google Pixel 5A, Pixel 6, Pixel 6 Pro etc; compatible with Pocophone, Oppo, TCL or other Android Type C Phones etc.
  • Small Emergecy Battery Backup Charger: Power bank is true 5000mAh (3.7V Battery), best portable charging source for usbc phone or other USB C gadgets (18W below) battery backup, normally support around 0.8~1.2 charges for your android phone.

GOODaaa Power Bank Wireless Charger 36000mAh Built in 4 Cables Six Outputs 15W Fast Charging Power Bank for All Mobile Devices Three Inputs Solar Portable Charger with Dual Flashlights, Carabiner


$64.99

$39.99


 in stock


2 new from $39.99

Free shipping


Amazon.com



as of November 28, 2023 7:21 am

Features

  • [Built-in 4 Charging Cables] This power bank is built with 3 output cables ( Type C*1 & iOS*1 & Micro USB*1) and 1 USB-A input cable. No matter output or input, you don’t need to carry charging cables. Get rid of messy cables, charge at anytime and everywhere.
  • [Advanced Wireless Charging] This portable charger supports advanced wireless charging, compatible with all wireless-enabled devices. Such as iPhone 14/13/12 series, Samsung Galaxy S23/S22/S21 series, etc. Put your device on the wireless charging area, it gets charged immediately. Come and enjoy your cable-free charging time.
  • [Power 6 Devices at Once] This solar charger is also equipped with 4 ports (iOS input, USB A output, USB C input/output), providing 5V/3A high-speed charging to save time. Along with 4 charging cables and wireless charging, it supports charging 6 devices simultaneously. Keep all your devices alive. Sharing with families and friends is perfect.
  • [Super Large Capacity] With 36000mAh premium Li-polymer battery, this solar power bank can charge your devices multiple times. It can be recharged via adapter and solar power, free your worries of poweroff. Equipped with smart protection IC chip, it guarantees charging safety intelligently.
  • [Sturdy&Durable Design for Outdoor] This solar battery pack is well made to be Waterproof/Shockproof/Dust-proof, which can withstand the harsh environment outdoors. It’s equipped with Dual super bright LED lights, a Must-Have tool for outdoor activities and home emergencies.

INIU Portable Charger, USB C Slimmest & Lightest Triple 3A High-Speed 10000mAh Power Bank, Flashlight Battery Pack Compatible with iPhone 15 14 13 12 X Plus Samsung S22 S21 Google LG iPad, etc


$34.99

$20.69


 in stock


3 new from $20.69
15 used from $19.86

Free shipping


Amazon.com



as of November 28, 2023 7:21 am

Features

  • ✅【From INIU — the SAFE Fast Charge Pro】 Experience the safest charging with over 38 million global users. At INIU, we use only the highest-grade materials, so we do have the confidence to provide an industry-leading 3 years warranty.
  • ✅【Market's Thinnest 10000mAh】The thinnest 0.5-inch body breaks the limit of 10,000mAh power banks. Lighten travel lovers’ pockets extremely, yet mighty for a whole weekend getaway.
  • ✅【Only 5% Got USB-C IN&OUT】INIU is the only 5% of power banks got a USB-C IN&OUT port. Unlike others only recharge via USB-C port, INIU can charge all devices with your USB-C cables directly.
  • ✅【3A High-Speed Charging】3A fast charging fuels iPhone up to 78% in just one hour. INIU's AutoFit identifies and meets your device's ideal speed, charging double than 2.1A chargers.
  • ✅【15-Layer SAFE Charging】INIU's unique 15-Layer SmartProtect system shrugs off any unusual charging at the start. Take overheating risk and battery damage away from your devices.

VEGER Portable Charger, USB C Power Bank, 5000mAh Mini Battery Pack Fast Charging 20W Small Charging Bank for Samsung Galaxy S21, S20, S10, S9, Note 20, Pixel, Moto, LG, Oculus Quest, Android Phones


$26.99


 in stock


1 used from $25.76

Free shipping


Amazon.com



as of November 28, 2023 7:21 am

Features

  • Portable Charger USB C Output: Widely compatible with Samsung S21, S20 FE, Galaxy A52, Note 20 Ultra, S10 Plus, S10, S10e, Note 9, S9 Plus, S9, Note 8, Galaxy Fold, Flip 3 and Fold 3 Series; compatible with LG G7 ThinQ, V40 ThinQ, V35 ThinQ, Stylo 4, G8, G6, Q6; compatible with Moto G7, G6, G7 Power, G7 Plus, G7 Play, Moto Z2 Play, E5, G6 Plus, Z3 Play etc; compatible with Google Pixel 5A, Pixel 6, Pixel 6 Pro etc; compatible with Pocophone, Oppo, TCL or other Android Type C Phones etc.
  • Quick Recharging And Quick Charging: Power bank usb c input or usb c connector input supports QC or PD fast charging protocol. Fully recharged only need 1.5 hours by 9V-2A. Small battery pack usb c output supports PD, QC3.0, FCP, MTK PE1.1/2.0, AFC…etc fast charge protocol. Thus VEGER mini power bank can quick charge most of your android (type c output) cell phones perfectly.
  • No Need Extral Cords for charging android phones : If you are Android fans (USB C output) and are tired of carrying cables to charge your android phone, this small portable charger is definitely best choice for you. Ultra small and ultra lightweight, dimensions is only 77.2*35.0*24.7mm (3.03''x1.38''x0.97''), only weigh 0.2lb. Best portable phone charger for android.
  • Addtional Features: USB C battery pack supports pass through charging, when recharging this mini charging bank, it can charge your android phones such as Samsung cell phones or oculus quest or other USB C output devices wonderfully, very practical.
  • 5000mAh Emergecy Battery Backup Charger: Power bank is true 5000mAh (3.7V Battery), best portable charging source for usbc phone or other USB C gadgets (18W below) battery backup, normally support around 0.8~1.2 charges for your android phone.

POWERΛDD PRO Portable Charger, USB C 10000mAh Power Bank LED Display PD 20W Fast Charging External Battery Pack Compatible with iPhone 14 13 12 11 Samsung S21 S20 Google LG iPad, etc. – Black


$19.99


 in stock


Amazon.com



as of November 28, 2023 7:21 am

Features

  • ⚡【PD 20W Power Delivery】This 10000mAh portable charger with type C output provides PD 20W fast charging, which can charge your phone to 50% in 30 minutes, bringing you a different fast charging experience.
  • ⚡【Dual Input & Output】Unlike most power banks only with USB C input, this power bank with USB C 18W input and 20W output is perfect for your new iPhone, iPad and all other USB C devices. There are also USB 18W output and micro USB 18W input, giving you more possibilities.
  • ⚡ 【LED Display 】Unlike those vague blinking lights, this 10000mAh portable charger has a LED display, and the display will show the exact percentage of the remaining power, so you can keep track of the current power at any time. On the premise of supporting two-way fast charging, the word FAST is displayed on the screen.
  • ⚡【Convenient and Practical】This power bank fits easily in your pockets or bags. It is very convenient and practical for your daily life and outdoor activities. Gives you enough power for a whole day, enough to provide iPhone 13 with 2 Charges, Galaxy S21 with 1.5 Charges, HUAWEI P50 with 1.5 Charges.
  • ⚡ 【Broad Compatibility】This LED Display 10000mAh power bank is not only suitable for all mobile phones, tablets, but also for your low-current devices such as AirPods, bluetooth headphones, smart watches etc.

Mini Portable Charger 5200mAh,PD Fast Charging USB C Power Bank,Portable Phone Charger for Android,Ultra-Compact Plug in Battery Pack Compatible with Samsung Galaxy S22/S21,Moto,LG,Pixel (Type-C Only)


$32.95


 in stock


1 used from $16.73

Free shipping


Amazon.com



as of November 28, 2023 7:21 am

Features

  • Mini Plug-in Android USB C Charger: The cute portable charger android only compatibles with Samsung Galaxy, Moto, Google Piexl, LG and other USB-C devices. Size of a lipstick, just plug into & charge, no need extra cable;
  • 【 IMPORTANT TIP: NOT Compatible with iPhone! 】
  • Upgraded True 5200mAh capacity is enough to charge most type-c android cell phones at least once. Best small emergency battery backup charger for going out;
  • Super-Fast Recharging & Dual Output–The PD portable charger USB C port supports both input and output, unlike others only recharge, portable power bank can charge any devices or recharge itself at 3A high charging speed;
  • 2023 Newly Upgraded Feature–The power bank with the longer connector, supports most cellphones cases(<4.5mm), full access and no pop-up; the upgraded anti-oxidation charging port process to prolong the service life of the plug;

TECHSMARTER 10000mAh Fast Wireless Power Bank with Anti-Slip Suction Cups. 18W USB-C PD Portable Charger Compatible with iPhone 14, 13, 12, 11, XS, Samsung Galaxy S23, S22, S21, LG ThinQ


$36.99


 in stock


1 used from $24.99

Free shipping


Amazon.com



as of November 28, 2023 7:21 am

Features

  • Anti-slip Suction Cups: These suction cups securely attach to your phone, enabling you to use it freely to chat, use social media, or play games while charging. If they lose grip, simply wipe them with a damp cloth.
  • Wireless Charging: To start wireless charging, activate wireless charging by pressing the power button then align the power bank's charging area with your phone's. Green LED indicates successful alignment, while red means misalignment, preventing charging.
  • Multiple Fast Charging Ports: Engineered with 3 fast output ports (18W USB-A, 18W USB-C, 10W Wireless charging pad).
  • Fast Charging and Recharging: 4x faster with 18W USB-A/C Ports (0% to 54% in 35 mins), 2x faster with wireless charging pad. And fully recharge the portable charger in just 2.5 hours using a 18W PD charger (not included).
  • Universal Compatibility: iPhone 14, 13, 12, 11, XS, XR, Samsung Galaxy S23, S22, S21, S20, S10, Note 10, 20, LG ThinQ and other wireless charging enabled phones.

Small Portable Charger 10800mAh with Built-in USB-C Cable, Mini PD 3A Fast Phone Charging Power Bank,LCD Display Android Charger Battery Pack Compatible with Samsung Galaxy S22/S21,Note,Moto,LG


$24.95


 in stock


2 new from $24.95

Free shipping


Amazon.com



as of November 28, 2023 7:21 am

Features

  • 【2023 Upgraded Portable Charger Built in USB-C Cable 】The built-in cable allows you to charge Samsung S21, S20 FE, Galaxy A52, Note 20 Ultra, S10 Plus, S10, S10e, Note 9, S9 Plus, S9, Note 8, Galaxy Fold, Flip 3 and Fold 3 Series; LG, Moto, Google Pixel,or other Android USB C cell phones anytime, anywhere, without having to carry a data cable with you. It makes charging more convenient!
  • 【Ultra-Compact 10800mAh Power Bank】Size of credit card and aircraft traveling available. (Size: 3.66”x2.16”x0.86”, Weight: 193g/6.8oz). power bank is big enough to provide 1.75 charge for Google Pixel 6 Pro and 2 charges for Galaxy S22;
  • 【15W PD Fast Charging Input/Output Port】The USB C Battery Pack Charge the smartphone up to 100% in 1-2 hours. Fully recharge this external battery backup for less 4 hours if using a 5V-2A wall adapter; Support Trickle Charging and Pass-Through Technology;
  • 【Power for 3 Devices at once】Built in cable for Type-c phones charging, other USB A port and PD usb-c output/input port for all smartphones,Samsung Galaxy,iPhone,Applewatch,heated vest and other universal USB smart devices;, More charging Choice, happy to share
  • 【What You Get】LCD Display Portable Phone Charger*1, USB A to USB C cable, user manual*1, 90-day full refund, 3-years worry-free replacement. If you have any issues, please feel free to contact us!

At the Last

Being an informed consumer, you’re attuned to shrewd decision-making. Rather than being swayed by superficial marketing gimmicks or hasty sales tactics, utilize your alternatives strategically.

Our reviews delve into critical facets: product quality, appeal, functionality and benefits, customer input, vendor support, and pricing. This empowers you to methodically assess and refine your options.

Opting for the right power bank for s21 ensures optimal value. Therefore, take the time for deliberate evaluation and circumvent rash decisions. This thorough approach guarantees that your chosen product perfectly suits your needs and preferences.

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