ZOHMYIY 22.5W Fast Charging Power Bank Kit with TFT Color Screen

Power up your devices at full speed with this DIY 22.5W Fast Charging Power Bank Kit from ZOHMYIY. Designed for tech enthusiasts and everyday users alike, this mini portable charger kit features a vibrant TFT color screen for real-time battery status, supports 22.5W fast charging output, and is built around the popular 21700 battery format — giving you a customizable, high-capacity charging solution in a compact form factor.

Whether you're assembling your own power bank or upgrading an existing setup, this kit delivers a premium charging experience with transparent, at-a-glance battery monitoring. Made in Mainland China.

Key Features

22.5W Fast Charging: Rapidly charges compatible smartphones, earbuds, tablets, and other USB-powered devices.
TFT Color Screen: Clear, full-color display shows battery percentage and charging status in real time.
DIY 21700 Battery Case: Compatible with 21700 format lithium cells — build or upgrade your power bank to your preferred capacity.
Wireless Connection Support: Convenient wireless connectivity for flexible usage options.
Compact & Portable: Slim dimensions (7.4 × 2.2 cm / 2.91 × 0.86 in) slip easily into a pocket, bag, or backpack.
Durable Construction: Premium plastic and metal build for everyday reliability.
Available in Multiple Quantities: Choose 1, 2, or 3 pcs to fit your needs — perfect for personal use or gifting.
Safe Voltage Range: Operates below 50V AC / 75V DC for standard consumer device compatibility.
No High-Concern Chemicals: Manufactured without high-concern substances for added peace of mind.

Specifications

Brand: ZOHMYIY
Material: Plastic + Metal
Dimensions: 7.4 × 2.2 cm / 2.91 × 0.86 in
Color: Green
Voltage: Below 50V AC / 75V DC
Connection: Wireless
Battery Format: 21700
Package Includes: 1, 2, or 3 pcs (as selected)
Origin: Made in Mainland China

What's in the Box?

1 × Power Bank Kit (DIY 21700 Battery Case with TFT Color Screen & 22.5W Fast Charging Module) — quantity as selected at checkout (1/2/3 pcs).

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For guidance on safe use of portable lithium battery chargers, refer to the U.S. Consumer Product Safety Commission's Lithium Battery Safety resources.

Important Notes

Photos are for illustrative purposes; refer to listed dimensions for actual size.
Allow ±5–10 mm tolerance due to manual measurement.
Colors may vary slightly depending on your monitor's settings.
Batteries are not included — this is a DIY case/module kit compatible with 21700 lithium cells.

Frequently Asked Questions

Q: Does the 22.5W fast charging power bank kit come with 21700 batteries included?

A: No, the 21700 lithium batteries are not included with this DIY power bank kit. You will need to source compatible 21700 cells separately. The kit includes the fast-charging case module with TFT color screen ready for your batteries.

Q: What devices is this 22.5W fast charging power bank compatible with?

A: This power bank kit supports 22.5W fast charging for a wide range of USB-powered devices including smartphones, wireless earbuds, smartwatches, and tablets that support fast-charge protocols. Always check your device's fast charging compatibility before use.

Q: How does the TFT color screen work on this portable charger?

A: The TFT color screen displays real-time battery capacity and charging status so you can monitor your power level at a glance — no guessing how much charge is left. It activates automatically when the power bank is in use or being charged.

Q: Can I buy multiple units for gifts or backup use?

A: Yes! This DIY 21700 power bank kit is available in packs of 1, 2, or 3 units — simply select your preferred quantity at checkout. It makes a great tech gift or a smart backup charging solution for travel and outdoor use.