10 Best 20000mah Power Bank of December 2025

• ✅【INIU’s Confidence】At INIU, we use only the highest-grade materials, so we do have the confidence to provide an industry-leading 3 years warranty.
• ✅【Know-Before-You-Go】Unlike vague blinking lights, the digital display shows you the exact percentage of power left and when to recharge. Let you know before you go.
• ✅【3X Ultra-Fast Charging】The newest 20W Power Delivery 3.0 USB C port, plus dual QC 4.0+ USB outputs, to revolutionize your experience of speed, especially bring the latest iPhones from 0 to 65% just in 30mins, 3X faster than regular 1A chargers.
• ✅【7 Days of Safe Power】Enjoy a full week’s worth of charging capacity with the airline-approved 20000mAh power bank.
• ✅【Even Wider Compatibility】Unlike the market’s most power banks incapable of charging low-current accessories, INIU PD3.0 Super portable charger can work with not only all the phones, tablets but your smaller devices like AirPods, Bluetooth headphones, fitness trackers, smartwatches, etc.
• ✅【What You Get】INIU 20000mAh fast charge portable charger*1, USB C cable*1, travel pouch*1, user manual*1, 30 days money-back guarantee, INIU industry-leading 3 years warranty and lifetime technical support.

INIU

• 【23800mAh PD 18W Power Bank】High capacity 20000 mAh battery charger can charge the iPhone 11 or iPhone 11 Pro around 4 ~ 5 times, iPhone 11 Pro Max around 4 times, Galaxy S10 4.2 times, S20 3.6 times, Note 10 around 4 times, OnePlus 7 Pro or OnePlus 8 close to 3 times, Google Pixel 4a about 4.2 times, Moto G8 around 2.8 times, LG Stylo 6 / LG K51 around 3.5 times, V60 Thin Q 2.8 times, Huawei P30 Pro / P40 Pro etc around 3 times; Redmi Note 7 / Redmi K20 Pro around 3.1 times etc.
• 【Quick Charge of PD 3.0 & QC 3.0】20000mAh Battery Pack can Quick Charge for both charging and recharging. Its dual inputs, micro USB input supports QC 3.0 Quick Charge, USB C inputs supports both PD & QC Quick Charge. Total 4 outputs, orange color USB outputs supports QC 3.0 Quick Charge, USB C output supports both PD & QC Quick Charge too! Another 2 ordinary USB outputs each supports 5V-2.4A fast charging.
• 【Charges 4 Devices Simultaneously】Slim 20000 portable charger supports 4 types of output ports, it can charge 4 devices simultaneously, share the power and fun with your friends, making the charging much more efficient!!! This Battery pack Compatible with almost all kinds of cell phones, tablets, and also heated vest etc.
• 【Accurate LED Power Digital Display】This Large 20000 mah Power Bank built-in advanced smart digital display technology. The power display accuracy is up to 100% which ensures you know the remaining power clearly and never missing recharging in time.
• 【Trust & Confidence for Charmst】12 Months worry-free purchase guarantee for this Charmast 23800 battery bank. MultiProtect safety system ensures complete protection for you and your devices. No worries for product quality, customer services, and problem solution!

Charmast

• Ultra-High Capacity: The massive 20,000mAh capacity provides more than 5 charges for iPhone XS, almost 5 full charges for Galaxy S10, more than 3 and a half charges for Huawei P30, and over 2 and a half charges for iPad mini 5.
• Simultaneous Charging: Get a 5W wireless charge for your phone or wireless earbuds while charging another device via one of two 10W USB ports. (10W total max output)
• 【Power bank with hidden LCD display】:The big front LCD Display will be more convenient to know the exactly percentage of remaining juice of the power battery instead of a blinking light. So that you will know exactly when to recharge it. To turn on the LCD Screen, just need to Click the power button on the side of the item or connect your devices.
• Flashlight function: there are two LED lights in the middle of USB interface. After turning on the power, press the power button twice continuously to turn on the strong light. Press the power button again to turn on the weak light. Press the power button again to turn off the flashlight function.
• [What do you get] 1 20000 MAH USB portable power bank; 1 USB cable.

SFAWQ

• Power for Days: Step into the upper echelon of battery capacity with a muscled 20,000mAh, fully capable of recharging your phone or tablet several times over.
• The LED indicator displays the available power level of battery pack and charging status intelligently. Know before you go.
• One for All: Compatibility at its finest, not only ready to charge almost all USB powered devices including laptops, tablets, smartphones and more, but also portable charger can charged by all the cables.
• Stay Protected: All ports feature complete charging protections alongside RAVPower's comprehensive iSmart technology. Built in UL certified battery cell and complete charging protections make you and your device safer.
• 2.5x Faster Charging: Powerful 18W PD and QC output for exhilarating charging speeds, do you a great favor in an emergency. Especially bring your new iPhone back to 50 percentage in as quickly as 30 minutes.
• Latest Blazing Fast Recharge technology: Multiple effective ways to recharge your power bank, easy to achieve peak performance with an 18W PD charging adapter to fully recharge in 5 and a half hours.

RAVPower

• ✔【20000mAh/88W Total Quick Charge】Advanced Wireless Portable Charger and PD Power Bank: This battery charger is a combination of fast wireless charging bank (Max. 10W) and a portable mobile power supply (QC3.0 18W and PD3.0 60W), Totally 88W for quick charging. Please use the quick Charge Cable and Adaptor supporting PD 3.0 protocol to recharge the power bank.
• ✔【Power Bank For All Your Smart Devices】All-In-One power solution with high powered USB-C PD 3.0 Quick Charge, Wireless charging, QC 3.0 USB-A, Adjustable DC power charging from laptops to cameras, LED strip light, drones, and smartphones. (USB-C Port Works with Apple MacBook, HP, Dell and other popular 60W/Max compatible laptops)
• ✔【Portable Charger Support QC 3.0 and PD 3.0】20000mAh power bank features QC 3.0 18W quick charge and PD 3.0 60W (Max) quick charging function. Which shorten the recharging time 3 times than normal USB charging ports. You can get a full charged within just 1-2 hours. Please use the quick Charge Cable and Adaptor supporting PD 3.0 protocol to recharge the power bank.
• ✔【Fast & High Sensitive Wireless Charging】The wireless power bank pack Max total output up to 10W. Support fast wireless quick charge with most of the electronic devices with case thickness ≤ 6mm. Wireless charging supports for Cell Phone,iPad,tablets etc.
• ✔【What You Get】1* 20000mAh PD power bank, 1*Fast USB-C Cable, 1*Storage Bag, 1*User Guide and 1* Worry-Free After Service. Our PD 20000mAh battery charger meets the requirements of Civil Aviation Authority and can take onto the airplane. Note: Use the 3A~5A current adaptor is highly recommended.

HSL

• 4 Output Port: supports charging 4 devices simultaneously cell phones, speakers, earphones. Dual micro USB and USB-C port design, available Charge different devices in one power bank.
• Type-C Input & Output: The airplane-friendly power bank recharges up to 5V/3A; power bank orange compatible with Google Pixel 2, Samsung Galaxy S8 / S8 Plus, Huawei Mate 10 Pro
• 5 Hours Recharge: Type C + Micro input, makes you get a full 20000mah power recharge short in 5 hours. 2X is faster than a standard one
• Additional Function: Build-in LED Flashlight (double press the power button to turn on\off)Pass-through Charging, disconnect once phones fully charged.
• Power For Days: 20000mAh power capacity, provides more than 4 charges for iPhone 11, more than 5 charges for iPhone X, almost 5 full charges for Samsung Galaxy S10, and over 2 and a half charges for iPad mini 5.

EasyAcc

• Massive Capacity: 20000mAh enough to refill your Galaxy S20 3.6 times or iPhone 11 4.6 times
• 3 Inputs & 3 Outputs: Two USB-A ports and a USB-C port give you plenty of options for charging your devices, and you can recharge the power bank via Lightning, USB-C or micro-USB. Great for Apple, Android, or any USB-charged device
• 18W Power Delivery: Powerful fast-charging via USB-C for all recent iPhones (since iPhone 8) and a wide variety of other devices including Nintendo Switch
• Trickle-Charge Mode: This portable charger is ideal for small gadget like wireless earbuds, fitness bands, and smart watches
• What You Get: AUKEY PB-N74S 20000mAh power bank, USB-A to C cable, user manual, warranty card, and friendly service

AUKEY

• ✅【INIU’s Confidence】All INIU gadgets adopt high-class materials, so we do have the confidence to provide an industry-leading 3 years warranty.
• ✅【3X Ultra-Fast Charging】The newest 18W Power Delivery 3.0 USB C port, plus QC 4.0+ USB output, to revolutionize your experience of speed, especially bring the latest iPhones from 0 to 60% just in 35mins, 3X faster than regular 1A chargers.
• ✅【Even Wider Compatibility】Unlike the market’s most power banks incapable of charging low-current accessories, INIU PD3.0 Super portable charger can work with not only all the phones, tablets but your smaller devices like AirPods, Bluetooth headphones, fitness trackers, smartwatches, etc.
• ✅【The Most Compact 20000mAh】Built in Aviation-grade high-energy-density battery pack, it sizes 5.3*2.7*1.0in and weighs 12.3oz, 20% smaller than most 20000mAh portable chargers available today.
• ✅【7 Days of Safe Power】Always ready to empower your journey and back you up for a whole week with this airline-approved 20000mAh power bank.
• ✅【What You Get】INIU 20000mAh portable charger*1, USB C cable*1, travel pouch*1, user manual*1, 30 days money-back guarantee, INIU industry-leading 3 years warranty and lifetime technical support.

INIU

• Ultra-High Cell Capacity: The massive 20,000mAh cell capacity provides more than 5 charges for iPhone XS, almost 5 full charges for Samsung Galaxy S10, more than 4 charges for iPhone 11, and over 2 and a half charges for iPad mini 5.
• Advanced Charging Technology: Anker's exclusive PowerIQ and VoltageBoost technology combine to deliver an optimized charge to your devices, while the trickle-charging mode is the best way to charge low-power accessories.
• Simultaneous Charging: Twin USB ports allow you to charge two devices at the same time. The USB-C port cannot charge other devices.
• Versatile Recharging: With both a USB-C and Micro USB input port, you have more options over how you recharge. Recharging PowerCore with a 10W charger will take approximately 10.5 hours, while recharging with a 5W charger will take approximately 20 hours.
• What You Get: Anker PowerCore Essential 20000, Micro USB cable, travel pouch, welcome guide, our worry-free 18-month warranty, and friendly customer service. (USB-C cable, Lightning cable, and wall charger not included)

Anker

• The Anker Advantage: Join the 55 million+ powered by our leading technology.
• Charge Fast Anywhere: The 20W USB-C port has enough power to charge an iPhone 12 to 50% in just 30 minutes. Also equipped with an 18W USB port if you need to charge a second device.
• Ultra-High Cell Capacity: The massive 20,000mAh cell capacity provides 5 charges for iPhone 12, more than 4 full charges for Samsung Galaxy S10, and over 2 and a half charges for iPad mini 5.
• Wide Compatibility: Charge virtually any mobile device including phones, tablets, and more.
• What You Get: PowerCore Essential 20000 PD, USB-A to USB-C cable, USB-C to USB-C cable, travel pouch, welcome guide, and our worry-free 18-month warranty.

Anker