DIY 18650/21700 Battery Power Bank Case with Type-C

Create your own portable power supply with this welding-free DIY power bank case that supports 18650 or 21700 lithium batteries (battery not included). Designed for those who want flexibility and reliability in a small package.

Its compact size and solid PC+ABS construction make it durable and easy to carry, perfect for travel or daily use.

Compatible with a wide range of electronic devices thanks to its upgraded antioxidant technology ensuring longer plug life. Includes a multifunctional line that doubles as a charging cable and a lanyard for convenience on the go.

• Supports one 18650/21700 lithium battery
• Power output: 5V 2A for efficient charging
• Includes Type-C interface for broad device compatibility

Crafted with a PC+ABS shell enhanced by surface plating and UV process for enhanced durability and aesthetic appeal.

• Available in black, white, pink, and green colors
• Surface plating plus UV finish for protection and style

Meets civil aviation regulations allowing you to bring it onboard airplanes, helping you stay powered on long trips without worry.

• Lightweight and compact, ideal for travel
• Ensures device charging compliance with airline rules

• Compatible Battery: 1 x 18650 or 21700 lithium battery (not included)
• Output: 5V 2A
• Material: PC+ABS
• Surface Finish: plating and UV process
• Color Options: black, white, pink, green

• DIY rechargeable power bank case kit (battery not included)