Summary
Explore the top mobile batteries for travelers, tech enthusiasts, and eco-conscious users. Discover key features, benefits, and how to select the best power bank for your needs.
Selection Points
When choosing a mobile battery, consider the following key points to ensure you get the best product for your needs:
- Capacity: Opt for a battery with a high mAh rating to ensure longer use between charges.
- Portability: Look for a lightweight and compact design that fits easily into your bag or pocket.
- Charging Speed: Fast charging capabilities can save time, especially when you’re in a hurry.
- Compatibility: Ensure the battery is compatible with your devices, including smartphones, tablets, and other gadgets.
- Safety Features: Check for built-in protections like overcharge, short circuit, and temperature control to ensure safe use.
- Eco-Friendly Options: Consider products with sustainable practices and materials if environmental impact is a concern.
- Personalization: If gifting, look for options that allow for customization or personalized printing.
| Product Name | Capacity | Charging Speed | Ports | size(mm) | weight(g) | Price | Review Score |
|---|---|---|---|---|---|---|---|
| MOTTERU Mobile Battery | 10,000mAh | 18W(9V/2A) | Type-C, Type-A | 78(W) × 25(D) × 58(H) | 174 | ¥3990 | 4.6 |
| NEON Mobile Battery | 20,000mAh | 5V/2.1A | Type-C、Micro USB、Lightning | 84(W) × 17(D) × 91(H) | 196 | ¥3300 | 4.56 |
| High-Capacity Mobile Battery | 60,000mAh | Max 27W | Type-C、Type-A | 67(W) × 40(D) × 137(H) | 588 | ¥4380 | 4.55 |
| Kurmizu Mobile Battery | 20,000mAh | Max 30W(5V/3A) | Type-C、Type-B | 69.2(W) × 15.5(D) × 106(H) | 173 | ¥2180 | 4.54 |
| Wireless Mobile Battery | 20,000mAh | 5V/2.1A | Type-C、microUSB、Lightning | 84(W) × 17(D) × 91(H) | 196 | ¥2980 | 4.53 |
Top Rated Products

MOTTERU Mobile Battery, 10,000mAh, PD18W Compatible, Personalized Printing Available, Carry-On, High Capacity, Type-C Input/Output, Type-A Output, PSE Certified, Compatible with iPhone 16e, 16, 15, Android, iPad, Tablets, 2-Year Warranty (MOT-MB10001)
This compact, lightweight 10,000mAh mobile battery is the smallest and lightest in Japan, weighing 174g. It features two output ports for simultaneous charging, ultra-fast USB Power Delivery, and a 36Wh capacity suitable for travel. It includes a pouch and cable, offers a 2-year warranty, and supports recycling through MOTTERU’s program.

[6-time Rakuten Winner] Lightweight, Compact, High-Capacity Wireless Charger for iPhone 20000mAh, Compact, Slim, and Lightweight, Wireless, Ultra-Lightweight, Fast Charging, Compatible with iPhone 15, Lightning Cable, Cordless, Ultra-Compact, Free Shipping, USB Type-C Fast Charger, Wireless Direct Charging, USB Charger for All Models
The 2023 NEON Mobile Battery Type ~Giwa~ offers fast charging, simultaneous charging of up to five devices, and compatibility with various devices including iPhones, Androids, and more. It’s lightweight, compact, and features a digital LCD display. Safety-certified and manufactured in an FCC and CE certified factory, it’s ideal for travel, disaster preparedness, and as a versatile gift.

Get a coupon for ¥3,380 with this mobile battery! [Rakuten #1 ● Max 27W Fast Charging] 60000mAh High-Capacity Mobile Battery, Compact, SCP22.5W, Fast Charging, 3 Devices Simultaneously, LED Battery Level Display, Flashlight, Mobile Charger, Safety Circuit Protection, Portable, PSE Certified, Ideal for Electric Vests/Blankets, Earthquake Preparedness
The 60,000mAh high-capacity mobile battery by 520 Co., Ltd. (PSE mark) features a manufacturer’s suggested retail price, includes a battery, manual, and Type-C cable. It boasts 27W fast charging, can charge three devices simultaneously, displays remaining power, and has a built-in LED flashlight. It’s ideal for various occasions, including New Year’s, Christmas, birthdays, and housewarming gifts.

Half Price Sale! [86% Off & 5x Points for Just ¥1,867!!] 20000mAh High-Capacity Mobile Battery, Lightweight, Compact, LED Battery Level Indicator, Charges Up to 5 Devices Simultaneously, Compatible with iOS and Android Devices, 30W Fast Charging, PSE Certified, Safety Circuit Protection, Carry-On Compatible, Perfect for Travel, Business Trips, Outdoor Activities, Camping, Power Outage Preparedness, and Disaster Preparedness.
The N4 20000mAh mobile battery is lightweight, compact, and features fast 5V/3A charging, allowing simultaneous charging of up to five devices. It includes a versatile charging cable, an LED display for easy charge monitoring, and eight protection functions. Certified PSE, it’s safe, reliable, and suitable for travel, with a 90-day warranty.

[6-time Rakuten winner!] Power Bank Outlet, High Capacity, Lightweight, Compact, iPhone, Compact Portable Charger, Wireless 20000mAh, Ultra-Compact, Ultra-Lightweight, Slim, Fast Charging, Cordless, iPhone 15, Free Shipping, Type-C Fast Charger, All Models, Battery Charger, iPhone 15 Pro, All Models, Small USB
The 2023 compact, high-capacity mobile battery is metallic in Black, Green, Red, Pink, or Blue. It’s lightweight, compatible with almost all smartphones, tablets, and devices, and features fast charging, PSE certification, and an LCD display. It’s ideal for travel, business trips, and as a versatile gift.
※Price, stock, and review ratings are as of the time of posting. Please check each sales page for the latest information.

