Rechargeable 9V Battery Case (type-c) for XL-Mul9V

Model Description: This is a 3D-printed case that transforms the XL-Mul9V step-up converter board into a reusable 9V battery with modern Type-C charging capability.

Purpose: The model is designed to provide a sustainable and cost-effective solution to replace single-use 9V batteries, allowing the use of recycled 3.7V Li-ion batteries.

Construction Features:

• Perfect Compatibility: The case dimensions match those of a standard 9V battery.
• Modern Charging: Supports charging via a universal Type-C port.
• ECO-Friendly Solution: Facilitates the recycling of Li-ion batteries, helping to reduce waste.
• Easy to Print: Optimized for 3D printing.

Printing Recommendations:

• Printer: Suitable for FDM printers (e.g., Flyingbear Ghost 3).
• Filament: PETG recommended for strength and heat resistance.
• Layer Height: 0.4 mm.
• Infill: 20-30% (Grid or Cubic).
• Wall Loops: 3-4.
• Supports: Not needed.

Build your own rechargeable 9V battery and contribute to a sustainable future!