Side Mount 18650 Battery Holder (Screw Mount)

Side Mount 18650 Battery Holder (Screw Mount)

This is a compact side-mount 18650 battery holder designed to be screwed onto plastic housings such as flashlights, DIY electronics enclosures or custom projects.

It allows you to add external 18650 battery capacity when there is no internal space available.

📐 Dimensions

Inner battery cavity: 19 mm x 19 mm

Battery length support: 66 mm

Designed for standard 18650 cells

Screw mounting holes on both ends

⚠️ Protected cells may be longer than 66 mm. Please check your battery length before printing.

🛠 Use Cases

Adding extra battery capacity to flashlights

DIY power bank projects

Custom electronics enclosures

External battery pack extension

🖨 Recommended Print Settings

Material: PETG or ABS recommended (heat resistant)

Layer height: 0.2 mm

Walls: 3–4 perimeters

Infill: 40–60%

Print orientation: Flat on the long face for maximum strength

Supports: yes nedded

⚡ Important Safety Notes

18650 lithium-ion cells can be dangerous if short-circuited.

Do NOT use unprotected cells without a BMS or protection circuit.

Ensure proper insulation and secure wiring.

Do not overtighten screws near the battery compartment.

This design is only a mechanical holder. No electrical protection is included.