PD 100W DIY Power Bank Case for 4pcs 21700 Batteries

This DIY power bank case is designed for users who want to build their own portable charger using four 21700 lithium polymer batteries (not included). It requires welding the batteries in series to the motherboard for proper operation and supports professional assembly with detailed welding and installation videos provided.

Supports multiple fast charging protocols including PD, QC, AFC, and SCP to provide efficient two-way 100W fast charging. Compatible with laptops, phones, iPads, and other devices via Type-C and USB ports.

• Supports 100W output on Type-C port 1
• Type-C port 2 and USB ports support multi-voltage fast charging
• Ensures universal compatibility with various devices

Constructed from ABS-PVC material with a black transparent case allowing clear view of the imported high-quality LED screen that shows real-time remaining power. Compact size (153x55x34mm) for portability and convenience.

• Capacity: 20000mAh designed for 4pcs 21700 batteries
• Input: 5V/3A, 9V/3A, 12V/1.5A, 10V/2.25A
• Output Type-C 1: up to 20V/5A
• Output Type-C 2: up to 20V/3A
• USB output: up to 12V/1.5A
• Material: ABS-PVC
• Size: approx. 153x55x34mm

Includes one DIY power bank kit consisting of the power bank case, motherboard, and necessary accessories shown in product images for assembly.

• Does not include batteries or charging cable
• Wires and additional welding accessories not included