Gaming Power Bank: A Mobile Battery with 100 Retro Games Now Available for Pre-order on Makuake

Product Features
Makuake Campaign Details
Product Overview
About LeaguE Co., Ltd.

Product Features

Dual Function Design: Mobile Battery & 100 Retro Games

The mobile battery unit features 100 retro games built directly into it. Users can enjoy games independently without using their smartphone, thus preserving the phone’s battery while passing time.

MagSafe Compatibility: Attaches Securely to Your Smartphone

With strong magnetic force, the device securely attaches to the back of MagSafe-compatible smartphones. This cable-free integration allows for smart operation while charging.

Up to 20W Rapid Charging & Pass-Through Support

The USB-C output supports rapid charging up to 20W, and wireless charging up to 15W. Additionally, it features pass-through functionality, allowing the device to be charged while simultaneously supplying power to a smartphone for efficient use.

Ultra-lightweight and Pocket-sized Portability

Weighing only 190g and with a thickness of 14.6mm, the device is designed to be compact and lightweight. It can be easily carried in a pocket or bag alongside a smartphone, making it suitable for travel.

Offline Design for Play Without a Smartphone

The device requires no internet connection, no apps, and no advertisements. It can be played immediately upon powering on. This design ensures that children can use it safely without needing to access a smartphone. The era of giving smartphones to crying children may come to an end.

Makuake Campaign Details

The “Gaming Power Bank” is available for pre-order on Makuake as part of a limited-time campaign running from February 23, 2026, to March 31, 2026. Early bird specials offer significant discounts, including up to 38% off for a 2-unit set.

Makuake Project Page: https://www.makuake.com/project/prankheart/

Product Overview

Item	Detail
Product Name	Gaming Power Bank
Functions	Mobile Battery (Wireless/USB-C) + 100 Retro Games
Battery Capacity	5,000mAh
Wireless Charging	Max 15W
USB-C Charging	Max 20W
Weight	190g
Size	108mm × 73mm × 14.6mm
Compatible Devices	MagSafe compatible, Type-C compatible
Game Play Time	Up to 48 hours (fully charged)
Main Material	Plastic
Color	Black
Accessories	USB-C cable (strap), Instruction Manual

About LeaguE Co., Ltd.

LeaguE Co., Ltd. is engaged in retail and wholesale businesses, sales agency services, and consulting. The company is also active in crowdfunding, having led or supported over 100 projects, including those for client companies.