Description
The Hoco MMJ-21 100000mAh Power Bank is a high-capacity portable power solution designed for users who need extended backup power. With its massive 100000mAh capacity and 22.5W maximum fast-charging output, it can keep multiple compatible devices powered for longer periods. The power bank features 8 USB-A output ports, allowing several devices to be charged simultaneously, while Type-C and Micro USB inputs provide flexible recharging options. Its rugged build and strong carrying handle make it convenient for travel and outdoor use. A digital battery indicator helps you monitor the remaining charge, while the built-in LED floodlight provides useful illumination when needed. Multiple safety protections, including overcharge, over-discharge, short-circuit, and overheating protection, help provide safer everyday operation.
Specifications
| Specification | Details |
|---|---|
| Brand | Hoco |
| Model | MMJ-21 |
| Product Type | Power Bank |
| Battery Capacity | 100000mAh |
| Maximum Output Power | 22.5W |
| Output Interface | 8 × USB-A |
| Input Interface | Type-C, Micro USB |
| Total Ports | 8 × USB-A, 1 × Type-C, 1 × Micro USB |
| Fast Charging | 22.5W |
| Battery Indicator | Digital Display |
| LED Light | Built-in Floodlight |
| Protection | Overcharge, Over-discharge, Short Circuit & Overheating |
| Carrying Design | Strong Handle |
| Design | Rugged / Portable |
Massive 100000mAh Capacity
The Hoco MMJ-21 comes with an enormous 100000mAh battery capacity, making it suitable for users who need a substantial power reserve during extended trips, outdoor activities, or situations where access to a power outlet is limited.
22.5W Fast Charging
With support for up to 22.5W output, the power bank can deliver faster charging to compatible devices compared with standard low-power portable chargers. This helps reduce charging time when you need your device ready quickly.
8 USB-A Output Ports
The MMJ-21 features eight USB-A output ports, allowing multiple compatible devices to be charged at the same time. This makes it particularly useful for families, groups, or users carrying several gadgets.
Dual Input Options
For recharging the power bank, it supports both Type-C and Micro USB inputs. Having two input options provides greater flexibility depending on the cable and charger available.
Digital Battery Indicator & Floodlight
A digital battery indicator lets you check the remaining power at a glance. The built-in LED floodlight can also provide convenient illumination during travel, camping, power outages, or other low-light situations.
Durable Carrying Design
The rugged construction and strong carrying handle make the MMJ-21 easier to transport despite its large capacity. Its design is intended for users who need dependable portable power while travelling or spending time outdoors.
Multiple Safety Protections
The power bank incorporates protection against overcharging, over-discharging, short circuits, and overheating. These safety features are designed to help protect the power bank and connected devices during everyday use.








