Servo motor and LED tester - 18650 battery powered

All-in-One Servo and LED Tester Case – 18650 Powered with Charging Module

Description:
This compact 3D-printed case is designed to house a cheap servo tester module (readily available on Amazon or similar marketplaces) along with a simple LED testing port. It's powered by a single 18650 battery and features an integrated 2-in-1 module for charging and DC-DC Step-Up Boost.

Perfect for quick prototyping or field testing, this portable unit allows you to easily test servos and LEDs anywhere, without needing external power or complex wiring.

Features:

• Supports standard 3-pin servo testers
• Built-in LED test port 
• Powered by a single 18650 lithium cell
• Includes a 2-in-1 module: charger with protection + boost converter, USB-C charging port
• On/off switch
• Compact and practical for makers and hobbyists

Print Recommendations:

• Material: PLA or PETG
• Layer height: 0.2mm
• Supports: Not needed
• Infill: 10%

Assembly Notes:
You'll need:

• 1x 18650 battery
• 1x 18650 Charger Board - Step-Up Boost Module 
• 18650 battery holder
• 1x standard servo tester module
• 1x 2 pin Dupont connector
• 1x 150 to 200 Ohm resistor
• 1x Mini rocker switch (9x12mm)
• 4x thread brass insert (M2x4x3.5)
• 6x M2x6 countersunk screw