Ready to take your charging game to the next level? The Professional 22.5W DIY Battery Charger Case lets you build a custom 20,000mAh power bank using 8PCS 18650 batteries (batteries not included). Designed for fast charging and high efficiency, this DIY charger case supports multiple fast-charging protocols and offers a transparent design with an LED power display for real-time monitoring.
Perfect for tech enthusiasts, DIYers, and power users who want a customized, high-performance charging solution!
🔋 Why Choose This DIY Power Bank Case?
✅ DIY Customization – Create your own high-capacity 20,000mAh power bank by adding 8PCS 18650 lithium batteries (parallel connection required). Perfect for those who love to tinker and build their own devices!
✅ Ultra-Fast 22.5W Charging – Supports PD 22.5W & QC fast charging, ensuring lightning-fast power delivery for laptops, smartphones, and other USB-powered devices.
✅ Two-Way Fast Charging – Not just a power bank! Enjoy bi-directional charging with PD 20W input and 22.5W output, so you can recharge and power up devices quickly.
✅ Wide Compatibility – Supports PD, QC, AFC, and SCP fast-charging protocols, making it compatible with a wide range of devices from smartphones and tablets to laptops.
✅ Transparent LED Display – Stay informed with a real-time LED power indicator, letting you monitor battery levels at a glance.
✅ Safe & Travel-Friendly – This DIY power bank case is airplane-safe, ensuring secure and reliable charging wherever you go.
✅ Durable & Lightweight Design – Crafted from high-quality ABS-PVC materials, the compact and sleek design makes it easy to carry while ensuring durability.
Capacity: Supports up to 20,000mAh (based on battery capacity used)
Material:ABS-PVC (Durable & Lightweight)
Input:DC5V / 2.1A / PD 20W
Output:PD 22.5W / QC Fast Charge / 5V 2.1A
Size:145 x 41 x 53mm (5.7 x 1.6 x 2.09 inches)
Colors:Gray, Yellow, Blue
Protection:Overcharge, Overheat, and Short Circuit Protection
🚨 Note: This package does not include batteries. The batteries must be welded in parallel and activated by charging before use.
🔧 DIY Assembly – What You Need to Know
Batteries must be soldered in parallel – Connect the positive pole to "B+" and the negative pole to "B-" on the motherboard.
Welding required – Use 20AWG (recommended), 22AWG, or 18AWG wires for soldering.
Activation needed – If the power bank doesn’t turn on after welding, charge it for 3-5 seconds to activate.
Battery Calibration – If the power display drops to 1% too quickly, cycle full charge and discharge 3-5 times for accurate readings.
🎁 Perfect for DIY Enthusiasts & Tech Geeks!
This 22.5W DIY Battery Charger Case is the ultimate power bank customization project, perfect for tech hobbyists, repair specialists, and those who need a high-performance charging solution. Whether you're building your own portable power station or upgrading your charging setup, this DIY kit lets you create the perfect power bank for your needs.
✨ Build your own fast-charging power bank today! ✨
