Build Your Own 100W Fast-Charging Power Bank

The BSIDE ZY-Q6-100W Power Bank DIY Kit lets you assemble a high-performance, customisable power bank without any soldering. Designed for 6× 21700 lithium-ion cells (not included), it delivers up to 100W output via USB-C PD — enough to fast-charge smartphones, tablets, and laptops simultaneously. Perfect for camping, load shedding backup, overlanding, or anyone who wants a reliable portable power solution they can maintain and upgrade themselves.

⚠️ Batteries not included. This kit requires 6× 21700 lithium-ion cells (purchased separately). Ensure correct polarity when installing.

Key Features

100W maximum output – Fast charges laptops, phones, and tablets at full speed
PD & Quick Charge support – Compatible with PD 2.0/3.0, QC 2.0/3.0, and PPS protocols
Dual output ports – USB-A + USB-C PD for simultaneous device charging
No soldering required – Tool-free, snap-together assembly; easy to build and maintain
Detachable modular shell – Batteries are replaceable; extend the life of your power bank indefinitely
Overcharge & smart protection – Built-in safety circuits protect your batteries and devices

Technical Specifications

Model: ZY-Q6-100W
Battery type: 6× 21700 lithium-ion cells (NOT included)
Input (Type-C PD): 5V/2.3A • 9V/2.3A • 12V/2.2A • 20V/5A
USB-A output: 5V/3A • 9V/2A • 12V/1.5A (max)
Type-C PD output: 5V/3A • 9V/3A • 12V/3A • 20V/5A (max 100W)
Dimensions: 168 × 90 × 38 mm
Colours: Black, White

What's in the Box

1 × Power bank shell/PCB kit – batteries not included

Suitable For

Load shedding backup power
Camping, overlanding, and off-grid adventures
DIY electronics enthusiasts
Anyone wanting a repairable, upgradeable power bank

This is a DIY kit — batteries must be purchased separately. Always install 21700 cells with correct polarity. After removing and reinserting batteries, the power display resets to 0% — fully charge to recalibrate. Not suitable for children.