JST Connectors

The 2 main types of connectors are JST and Molex.

When you worked with the drone batteries, the small ones, you were using JST connectors.

https://en.wikipedia.org/wiki/JST_connector

Connectors

• JST-XH: 2.5mm pitch, common for battery balancing
• JST-PH: 2.0mm pitch, for small electronics
• JST-SM: 2.5mm pitch with lock, for LEDs and durable connections
• JST-SH: 1.0mm pitch, used in drones and compact devices
• JST-RCY: 2.5mm pitch, popular for RC batteries
• JST-ZH: 1.5mm pitch, space-saving for compact designs
• JST-EH: 2.5mm pitch, secure for smaller devices
• JST-VH: 3.96mm pitch, for higher power applications