Is this 3D model free to download?

Yes, Smart 18650 Battery Charger with OLED is free to download from Cults3D. Open it in the free Thinger app, or use the "Download from Cults3D" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Cults3D. Use the "Download from Cults3D" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by Bambu3Design, published on Cults3D. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Smart 18650 Battery Charger with OLED 3D printable model by Bambu3Design

Smart 18650 Battery Charger with OLED photo 1

Smart 18650 Battery Charger with OLED photo 2

Smart 18650 Battery Charger with OLED photo 3

Smart 18650 Battery Charger with OLED

Source: Cults3D by Bambu3Design

The Smart 18650 Battery Charger with OLED is a free printable 3D model from Cults3D by Bambu3Design. Build your own 3D-printed smart 18650 battery charger with real-time charging monitoring! This project combines a custom 3D-printed enclosure, an ESP32-C3 SuperMini, an INA219. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Cults3D

30 saves Source: Cults3D Updated 2026-10-24 License: PRIVATE-USE · non-commercial Category: Tools & Workshop

Tags: 18650 battery charger, 18650 battery monitor, 18650 battery tester, smart battery charger, diy battery charger, lithium ion battery charger, li ion battery charger, esp32 c3 project, esp32 c3 supermini, esp32 battery monitor, ina219 current sensor, ina219 battery monitor, tp4056 battery charger, tp4

About this model

Build your own 3D-printed smart 18650 battery charger with real-time charging monitoring! This project combines a custom 3D-printed enclosure, an ESP32-C3 SuperMini, an INA219 current sensor, a TP4056 charging module, and an OLED display to create a compact and practical battery charging station. ⚡ Features Real-time charging current monitoring in mA. Charging capacity tracking in mAh. Battery voltage measurement when not charging. Estimated battery percentage displayed on the OLED. Automatic battery detection with a "NO BATTERY" message. Automatic switching between charging and idle modes. Standalone operation without Wi-Fi or a computer. 🔧 Components ESP32-C3 SuperMini INA219 Current and Voltage Sensor TP4056 USB-C Charging Module 0.96-inch OLED Display 18650 Battery Holder MT3608 DC-DC …

Frequently asked questions

Is this 3D model free to download?: Yes. Smart 18650 Battery Charger with OLED is free to download from Cults3D. Open it in the free Thinger app, or use the "Download from Cults3D" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Cults3D, not by Thinger. We link you directly to the original listing by Bambu3Design.
Who made this model?: Designed by Bambu3Design, published on Cults3D. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.