2026年 April

10 Best portable power banks in 日本

Last Updated - 02/04/2026

Advertising Disclosure

Best Choice
01

Anker

Show more

On Amazon

Anker Solix C300 Portable Power Station, Portable Power Supply, 288 Wh, Compact, Lightweight, 1.1 Hour Charging, High Output AC (Rated 300 W, Max 600 W Instantly, 3 Ports), Strap Included, App Remote
9.9

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Recommended for disaster preparedness: Unlike typical portable power supplies that are recommended to store 60% to 80% at a full charge. Equipped with a function to turn off the main power supply, it reduces natural discharge, allowing you to maximize power in emergencies. It also has a compact size and output that is compatible with a variety of equipment, making it perfect for carrying or placing it in a bedroom or for a second battery
Portable power source for hands-free carrying: Comes with a strap so you can carry it without using both hands when you are disaster or going out. Carry your portable power while holding your luggage in both hands or pulling your child's hands
Package includes: Product body, AC charging cable, strap, safety manual
Compact and powerful: Approximately 6.3 inches (16 cm) bottom area with a compact design of about 2.6 gal (2 L) plastic bottles. It is highly portable and packable for carrying in your bag or storing it in your shoe box at your entryway. It can output up to 300 W from AC port and up to 140 W from USB-C port. Not only can it charge your laptop rapidly and it can also power and charge various devices even during a power outage such as TV or electric blanket
After-sales service is safe after purchase: We support professional staff and provide the recovery service for used portable power supplies. Recovered products are recycled as a recycled resource. (We are responsible for shipping costs for our product limitations. )
288Wh Capacity and 8 Ports for Peace of Mind: In addition to the capacity of 288Wh, there are 8 ports in total, 1 USB - A port and cigarette lighter socket, so you can charge 8 devices simultaneously. Even during a power outage, you can charge and collect information for the whole family

￥34,990
02

Krisdonia

Show more

On Amazon

Krisdonia Portable Power Supply, Large Capacity 60000mAh/222Wh, Home and Outdoor Use Battery, Compact and Lightweight, PSE Certified, Three Charging Methods AC (130W)/TYPE-C/USB Output, For Car
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Use with confidence: This product provides 18 months worry-free warranty and high quality customer service from the date of purchase
Rapid charging to the main unit: Using the included 19V 2A AC adapter, you can fully charge the large capacity in about 9 hours The unit is equipped with an LED battery level indicator, so you can easily check the remaining battery level and charging status
QC3.0 Rapid Charging: Adopts the rapid charging standard "Quick Charge 3.0" and provides a maximum output of 18 W, which greatly reduces charging time for smartphones, tablets, and other USB devices
Krisdonia product strength: An impressive capacity beyond imagination Can charge a MacBook 12'' approximately 3 times, a smartphone approximately 15 times, and small appliances like a mini refrigerator for over 4 hours continuously (*) Compatible with mobile devices such as smartphones, emergency devices, and small home appliances
AC Output Support: Simply plug into a power outlet to provide power to laptops and a wide range of electrical devices (up to 130W) It can be used as a backup power source during travel, power outages, or emergencies

￥29,980
Best Value
03

IAPOS
39% Off

Show more

On Amazon

Power Bank, Large Capacity 【40,000 mAh Large Capacity ・ Thickness 2.84 cm】IAPOS Power Bank, Fast Charging 22.5W/20W Compatible 3 Devices Can Be Charged Simultaneously Maximum Output 4.5A LED Battery
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

💎【Safe to Use! 【PSE certified and equipped with multiple safety protection features】This product is equipped with a high-performance IC chip and safety devices, which not only effectively prevents overheating but also features multiple safety protection measures including output over-voltage protection, output over-current protection, output short-circuit protection, input over-voltage protection, input over-current protection, battery over-charging protection, battery over-voltage protection, and battery over-discharge protection. It is a perfect mobile battery that integrates safety and performance At the same time, it complies with the technical standards of the Electrical Appliances Safety Act (PSE), allowing you to carry it with peace of mind High quality materials, state-of-the-art electronic circuit board and protection features ensure a safe and secure premium design Additionally, it features "bulk charging" compatibility You can charge your mobile battery and smartphone together, so if you set it up at bedtime, you can go out the next morning with a full charge A high-capacity, high-quality safety model that becomes a necessary item in your life
💎【Large Screen Remaining Capacity Display! Stylish Design & Low Current Mode: The power button of this product is a physical button that turns on with a single press With a large screen digital numerical display, you can easily see how much battery life is left at a glance, making it perfect for commuting Externally, this product is designed with special materials, making it easy to clean and resistant to scratches, balancing usability and design And, it also features a low current mode, making it possible to charge electronic devices such as electric toothbrushes, electric shavers, earphones, air-conditioned workwear, and digital cameras Can make people's lives more convenient
💎【Large Capacity! 40,000 mAh Reliable Large Capacity & Compatible with Many Situations] With the spread of digitalization, it has become a common phenomenon for individuals to carry multiple devices However, the issue of emergency charging has become a major research topic Our incredible 40000mAh capacity solves this problem perfectly The 40000mAh mobile battery is compact enough that it won't feel burdensome even when held alongside your smartphone A capacity that can charge a smartphone approximately 10 times, making it perfect for a full day out or when you want to go out without carrying your phone Moreover, with ample capacity, it can charge 3 devices simultaneously, making it an essential product for outdoor use, lodging trips, and disaster situations With this one, you can charge multiple smartphones, wireless headphones, and other electronic devices to a certain extent, providing peace of mind when going on camping trips or to places without outlets Moreover, with a weight of approximately 430g and dimensions of about 147.3x68.8x28.4mm, this is a convenient portable power bank for on-the-go use
💎【High Compatibility! 【Capacity and package contents that can be carried on board】With this high-capacity mobile battery, you can charge multiple smartphones, tablet devices, small fans, heater vests, and other devices It can be carried on domestic and international flights, and it is recommended for those who need to charge multiple devices or for trips lasting 3 to 4 days You can charge it stably while keeping it in your bag or pocket (*Volume restrictions and regulations may vary depending on airlines, so please check with your airline's HP beforehand Package Contents: 40,000 mAh mobile battery x 1, Type-C cable x 1, Japanese instruction manual x 1
💎【Fast Charging! The "P1" mobile power bank supports various types including PD20W/SCP22.5W and can charge up to 3 devices simultaneously. It adopts the latest 4.5A fast charging technology, achieving high-efficiency charging by utilizing high-precision and high-stability output voltage and output current control Even in situations where you are waiting to meet someone and your battery runs out, having a model with fast charging can be convenient Also compliant with charging standards such as Power Delivery, QuickCharge 3.0, and more, it features 3 types of output methods including USB-A/USB-B output ports (QC 22.5W), Type-C output port (QC 20W), and can charge up to 22.5W output. The high-quality lithium polymer built-in mobile battery is compatible with 99% of devices Charge iPhone 16 from 15% to 54% in 30 minutes! Full-speed charging is possible at a maximum of 4.5A, reducing charging time by 50% compared to the conventional 5V=2A

￥1,999 ￥3,299 39% Off
04

Anker

Show more

On Amazon

Anker Solix C200 DC Portable Power Station
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Full Product Life: Adopts Anker's proprietary InfiniPower design that optimizes the elements that make up the portable power supply for approximately 10 years of worry-free use

￥19,990
05

khanka

Show more

On Amazon

(Case only) Anker Nano Power Bank (10,000mAh, 45W, Retractable USB-C Cable) Mobile Battery A1638 Dedicated Storage Case, Blue - Khanka
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Soft Lining】The inner lining is made entirely of soft material, delicate and smooth to the touch, protecting the Anker Nano Power Bank 10000mAh 45W retractable USB-C cable mobile battery from scratches and allowing you to securely store the Anker Nano Power Bank 10000mAh 45W A1638 It is also highly durable for outdoor use and home storage
【Elastic Mesh Pocket】The mesh pocket has strong elasticity and can hold accessories such as the Anker Nano Power Bank (10000mAh, 45W) together The case also features a highly elastic mounting rubber, which not only securely holds the Anker A1638 but also makes it easy to remove Please Note: Only the case is sold (Does not include Anker Nano Power Bank 10000mAh 45W mobile battery or accessories)
【Convenient design for carrying】The case is designed with high-quality zippers to easily remove and store the Anker Nano Power Bank (10000mAh, 45W, retractable USB-C cable), and comes with a sturdy strap, making it convenient to carry the Anker Nano Power Bank 10000mAh 45W A1638 during travel
【Comprehensive Storage】The Khanka storage case is specially designed for the Anker Nano Power Bank (10,000mAh, 45W, retractable USB-C cable) mobile battery A1638, and not only can it store the Anker Nano Power Bank 10,000mAh 45W, but also accessories in a compact manner This product fits the Anker A1638 perfectly
Semi-waterproof outer layer: The outer shell is made of nylon and EVA material, which is hard, shock absorbent, and abrasion resistant It also excels in surface waterproofing and dust resistance Can properly protect your Anker Nano Power Bank 10,000mAh 45W Portable Charger

￥1,899 ￥1,999
06

khanka

Show more

On Amazon

(Case Only) Anker Prime Power Bank, 26250mAh, 300W Power Bank Dedicated Storage Case, Black-Khanka
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Soft Lining】The inner lining is all made of soft material, delicate and comfortable to the touch, protect your Anker Prime Power Bank, 26,250 mAh power bank from scratches and scratches, and you can store your Anker Prime Power Bank, 26,250 mAh power bank well. It is also highly durable
【Convenient to Carry Design】The case is designed with high quality zipper for easy removal and storage of the Anker Prime Power Bank, 26,250mAh power bank, and with a sturdy strap, it is designed to make it convenient to carry your Anker Prime Power Bank, 26,250mAh power bank while traveling
Semi-waterproof outer layer: The outer shell is made of nylon and EVA material, which is hard, shock absorbent, and abrasion resistant. The surface is waterproof and dustproof. Protect your Anker Prime Power Bank, 26,250 mAh power bank
Elastic Mesh Pocket: The mesh pocket has strong elasticity, allowing you to store accessories such as the Anker Prime Power Bank, 26,250 mAh mobile battery. In addition, there is a rubber that has strong elasticity inside the case, so it can not only fix the Anker 26,250 mAh power bank well, but it is also easy to remove. Note: For sale is case only (Anker Prime Power Bank, 26,250mAh and accessories are not included)
(Abundant Storage) The Khanka storage case is specifically designed for the Anker Prime Power Bank, 26,250 mAh mobile battery, but it can also be used to store accessories and more. This product fits the Anker Prime Power Bank, 26,250mAh Power Bank perfectly

￥2,499
07

ADKL

Show more

On Amazon

ADKL Portable Power Source, Portable Battery, Large Capacity, 100,000 mAh/320 Wh, AC 300 W (Instant Max 600 W), LiFePO4 Lithium Iron Phosphate Battery, Small, Lightweight, Genuine Sine Wave, Pass-Through Function, PSE Certified, Compatible with 50 Hz/60 Hz, LED Light, Camping Equipment, Emergency Goods, Outages, Emergency Power Outages, Emergency Power Generator, Solar Charging Power saving (Black)
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Various Output Ports】This portable power supply is not only compatible with AC adapters, but also supports USB-A, USB-C and DC charging. The USB ports are equipped with 4 ports including PD30W, PD60W and QC3.0 fast charging, 2 genuine sine wave AC outlets (with 50Hz/60Hz switching function), 2 DC output ports (12V/10A), and 1 cigarette lighter socket output. With 9 output ports, this single unit can simultaneously power various household electricity, such as smartphones, cameras, computers, game consoles, electric blankets, mini refrigerators, etc. What's more, it has a pass-through charging function that allows simultaneous AC, DC, PD, and USB output while charging the portable power source, making it very convenient
Useful in a Variety of Situations: This portable power supply has a lightweight and compact design weighing approximately 8.5 lbs (3.8 kg), and is a newly developed large-capacity portable power supply with enough power for a lightweight and compact body. Great for sleeping in the car, camping, and leisure, as a household power supply. Also, since it comes with an LED light, it can be used as an emergency power source for power outages or emergency disaster preparedness in case of an earthquake or typhoon
Set Contents: Portable power supply x 1, AC adapter x 1, car charging cigarette lighter socket x 1, solar charging cable x 1, Japanese instruction manual x 1. You can get a +12 month extension service with conditions and with 12 months from the date of your order. Please see the "User Manual" for details. (The order number will replace the warranty) If there is any quality problem with the product, please feel free to contact us. If a failure occurs within the warranty period, we will resend a new product and refund a full refund. Contact step: contact us by [Account Service]-[Order History]-[Contact Seller]
Note: The AC port rated voltage of this product is 110V for 100-120V appliances such as Japan, USA, and Canada. It is designed to support 90-110V, so you can use it without any problems
Compatible with 4 Charging Methods: This portable power supply charging method includes 4 ways: AC charging, solar panel charging, car charging, and Type-C (PD 60W) bi-directional charging, so you can power your device while charging. Not only can it be charged via the included AC adapter, but it can also be charged from a car charger. Can be used widely as a power source for outdoor and leisure activities by charging the main unit in the house when you are out. You can also use the solar panel (sold separately), so you can use it with confidence even during power outages. (PD charging cable and solar panel are not included)
Can be held with one hand: In consideration of the difficulty of carrying conventional portable power sources, we have achieved a lightweight power source that weighs only 7.4 lbs (3.8 kg). Easy to carry with one hand even for kids, women and the elderly
(Safe and Safe Lithium Iron Phosphate Battery) This portable power supply uses a highly safe lithium iron phosphate battery that has increased the charge and discharge cycle of other products from 500 to 2,000 times. Compared to existing portable power source, it has a longer lifespan, safer and more environmentally friendly. It has passed various safety standards and quality tests according to Japanese standards, such as UN38.3, CE, UL, FCC, RoHS, etc. Besides, BMS (Battery Management System) provides proper voltage and temperature control to prevent overcharging and over-discharge, and increase safety. Safe and safe to use for a long time

￥22,800
08

Evopow

Show more

On Amazon

Evopow Portable Power Supply 355Wh Output 400W (Instant Max 800W) Backup Power Supply for Power Outages Emergency Power Supply Large Capacity Battery Solar Panel Camping Sleeping in Car Power Outage
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【Simultaneous Charging for 9 Devices/PD 100W Fast Charging】 AC outlet output*2 (rated 400W), DC output port*2; USB-A*3 (multiple devices can be charged simultaneously at full speed, and the output can automatically determine the optimal current based on the connected device.) Provides more stable charging than conventional chargers); Type-C x 1 (Fast Charging, Power Delivery 100 W compatible); Not only can it charge smartphones and tablets, but it can also be used to charge high-spec devices that require power such as MacBook Pro, so you can use it immediately without waiting, and explore a wider world
【High-brightness LED light and LCD display design】The Evopow emergency battery features a large LCD display The charging and discharging status of the battery is clearly displayed on the LCD display You can turn the LCD display, AC output, USB output, and DC output ON/OFF with each button as needed It also features an LED light, which can be used as a camping light or SOS flashing light, making it perfect for power outages or emergencies
【High Safety and Reliable After-Sales Service】 Acquired necessary certifications such as PSE and UN38.3, using high-safety lithium batteries, we have optimized battery energy efficiency while achieving long battery life Additionally, the BMS (Battery Management System) accurately manages voltage and temperature, preventing overcharging and overdischarging to enhance safety Worry-free after-sales service: 12-month warranty + lifetime customer support If you have any questions or comments, please feel free to contact our customer service at any time
【Compatible with various devices】With a multi-port design, it can simultaneously power up to 9 devices Suitable for power supply of many devices and terminals such as drones, LCD TVs, heaters, small rice cookers, electric blankets, projectors, etc (Not compatible with 50 Hz dedicated areas) Weighs only 11.0 lbs (5 kg), making it easy to carry while on the go, ensuring power is always maintained
Large Capacity 355 Wh: The Evopow 355 Wh large capacity meets your power needs for camping, outdoors, sleeping in your car, and more It is also ideal for preparing for power outages or disasters when AC power cannot be used

￥21,200
09

worfty

Show more

On Amazon

Baseus Portable Charger for 20000mAh 100W Power Bank Laptop Battery Pack with 2 USB-A Ports - Protective Carrying Storage Bag for Travel (Black)
8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

[WHY CHOOSE THIS CASE] Whether you're traveling or storing your devices, this EVA hard case provides durable and reliable protection to keep your 2000mAh 100W power bank (PPBLD100HD) in optimal condition and extend its lifespan
[Perfect Protection] This blade portable laptop charger storage case is made of premium EVA material, shockproof outer shell and soft flannel lining. Anti-scratch, waterproof and shockproof, protect your blade portable laptop charger from any damage
[Perfect Fit] This storage case is specially designed to fit Baseus 20000mAh 100W Power Bank Portable Charger. Worfty case provides full protection for your precious Baseus Blade Portable Laptop Charger from scratches and damages. (Case Only)
[Dimensions] You can check the detailed dimensions in the pictures. Made of high quality 3-layer EVA material, this case is shockproof, waterproof, tear resistant, and provides a compact protection for your 2000mAh 100W power bank for peace of mind
Convenient Storage: Comes with a built-in mesh pocket for storing a variety of accessories, and a soft rubber zipper head for easy access. Soft velvet lining protects your 2000mAh 100W power bank from accidental damage and wear during travel and transportation

￥4,093
10

Lenovo

Show more

On Amazon

Lenovo 140W ポータブルパワーバンク 3ポートデジタルハイブリッド充電器、TFTディスプレイ ThinkBook 14、MacBook、iPhone、Samsung Galaxy用、旅行用充電ステーション、240Wケーブル付き
8.2

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

デジタルハイブリッドテクノロジー:デジタルチップが電子機器の充電プロセスをインテリジェントに制御する新しいアプローチを指します。これにより、内蔵バッテリー電源モードとDC電源モードの同時動作が可能になり、充電速度が速くなり、全体的な充電とエネルギー貯蔵効率が向上します。
【高精細TFTディスプレイ】2インチ高精細TFTディスプレイで最新情報を入手でき、バッテリー残量、電力入力、出力に関するリアルタイムデータを表示し、パワーバンクを完全に可視化してコントロールできます。高温ポップアップ警告をサポートし、安全に使用できます。
【動けるパワーオン】6.06×2×1.5インチのコンパクトなサイズで、重さはわずか16オンスで、20000mAhのモバイルバッテリーはバッグにシームレスにフィットするように設計されており、旅行に便利で、外出先でも常に信頼できる電源を確保します。
【3台同時充電】USB-Cポート2個とUSB-Aポート1つで、Lenovoパワーバンクは合計135Wの出力で、効率的な配電により最大3台のデバイスを同時に高速充電できます。ノートパソコンの充電にはUSB-C1を使用することをお勧めします。最大140Wまで出力できます。
20,000mAhの大容量パワー: Lenovo 140Wノートパソコンモバイルバッテリーは、14インチのMacBook Pro 16から30分以内に46%まで電力を供給するのに十分です。20,000mAhの大容量で複数の用途でデバイスをサポートします。5フィートのUSB-CからUSB-C 240Wケーブルを搭載し、140W Lenovoをサポートしています。レギオンと12 5W Motorola高速充電。

￥28,980

10 Best portable power banks in 日本

Anker Solix C300 Portable Power Station, Portable Power Supply, 288 Wh, Compact, Lightweight, 1.1 Hour Charging, High Output AC (Rated 300 W, Max 600 W Instantly, 3 Ports), Strap Included, App Remote

Krisdonia Portable Power Supply, Large Capacity 60000mAh/222Wh, Home and Outdoor Use Battery, Compact and Lightweight, PSE Certified, Three Charging Methods AC (130W)/TYPE-C/USB Output, For Car

Power Bank, Large Capacity 【40,000 mAh Large Capacity ・ Thickness 2.84 cm】IAPOS Power Bank, Fast Charging 22.5W/20W Compatible 3 Devices Can Be Charged Simultaneously Maximum Output 4.5A LED Battery

Anker Solix C200 DC Portable Power Station

(Case only) Anker Nano Power Bank (10,000mAh, 45W, Retractable USB-C Cable) Mobile Battery A1638 Dedicated Storage Case, Blue - Khanka

(Case Only) Anker Prime Power Bank, 26250mAh, 300W Power Bank Dedicated Storage Case, Black-Khanka

Evopow Portable Power Supply 355Wh Output 400W (Instant Max 800W) Backup Power Supply for Power Outages Emergency Power Supply Large Capacity Battery Solar Panel Camping Sleeping in Car Power Outage

Baseus Portable Charger for 20000mAh 100W Power Bank Laptop Battery Pack with 2 USB-A Ports - Protective Carrying Storage Bag for Travel (Black)

Lenovo 140W ポータブルパワーバンク 3ポートデジタルハイブリッド充電器、TFTディスプレイ ThinkBook 14、MacBook、iPhone、Samsung Galaxy用、旅行用充電ステーション、240Wケーブル付き

Sign up and get exclusive special deals