21700 Power Bank Case PD 20W Fast Charging Built Cable Detachable DIY

Discover the 21700 Power Bank Case PD 20W Fast Charging Built Cable Detachable DIY — a standout electronics accessories pick featuring eco-friendly, compact, fast-charging design for dependable, everyday performance.

Specifications

Item Type: DIY Box & Shell

Features:

1. Solder-free design for safer, easier DIY assembly—no soldering required, ideal for quick assembly by electronics enthusiasts

2. Supports up to 20W PD output, compatible with mainstream Type-C devices for faster charging and enhanced efficiency

3. Features a detachable dual-wire Type-C design for convenient storage, eliminating the hassle of forgetting your charging cable on the go

4. Easily removable casing for simple battery replacement or circuit board maintenance, extending product lifespan

5. Specifically designed for single 21700 batteries, compact size ideal for outdoor activities, commuting, and on-the-go use

Product Specifications

Housing Material: Eco-friendly plastic

Housing Color: Black/Gray

Recommended Installation: 1 flat-top 21700 battery

Installation Note: Distinguish positive and negative terminals; the spring is the negative terminal.

Mainboard Configuration: USB fast-charging output port + Type-C bidirectional fast-charging port + Built-in Type-C fast-charging cable

Built-in Cable Interface: Type-C port (both ends are C-C)

Charging Parameters: 5V2A/5V3A/9V2.2A/12V1.67A

Output Parameters: 5V2A/5V3A/9V2.2A/12V1.67A/10V2.25A

Four indicator lights display battery level. All lights remain on when fully charged. Green light indicates fast charging status.

This kit features multiple protections including overcharge/over-discharge/overvoltage/overcurrent, ensuring safe and reliable use.

Package Contents

Power Bank Housing*1

Options

• Color: Black, Gray

Frequently Asked Questions

Q: What is the 21700 Power Bank Case PD 20W Fast Charging Built Cable?

A: The 21700 Power Bank Case PD 20W Fast Charging Built Cable is a quality electronics accessories pick. Solder-free design for safer, easier DIY assembly—no soldering required, ideal for quick assembly by electronics enthusiasts 2.

Q: What is the 21700 Power Bank Case PD 20W Fast Charging Built Cable made of?

A: The 21700 Power Bank Case PD 20W Fast Charging Built Cable is made from Eco-friendly plastic Housing Color.

Q: Why choose the 21700 Power Bank Case PD 20W Fast Charging Built Cable?

A: The 21700 Power Bank Case PD 20W Fast Charging Built Cable stands out in our electronics accessories range — Supports up to 20W PD output, compatible with mainstream Type-C devices for faster charging and enhanced efficiency 3.