18650 Battery Holder (1S / 2S)
by Generic
SKU: PSA-CMP-18650-HOLDER
No reviews yetTypical India street price
₹15–₹50
Plastic sled for 18650 cells used in Indian portable kits.
Interface: Leads / pogo
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Concept
A holder is not a charger. It only makes contact.
A little theory
1S = 3.7 V nom, 2S = 7.4 V nom. Match your regulator. In the classroom, treat 18650 Battery Holder (1S / 2S) as a beginner part using Leads / pogo. Typical India street price is about ₹15–₹50. Always verify voltage and pin labels on your exact module — silk screens vary across clones. Start with a datasheet or trusted learn guide, power the part correctly, share GND with the MCU, and test with a simple blink/read sketch before building the full project. Measure voltages with a multimeter when something fails, and keep actuator current off the MCU regulator.
How it works in a project
Observe +/− silk. Spring is usually negative.
Classroom & project use
- Robot pack
- ESP field node
- Power Supply classroom demo
Buying in India
Precautions
- No reverse insert
- No shorting
- No cheap unbranded high-Ah claims
Specifications
| Size | 18650 |
| Variants | 1S / 2S |
| Category | Power Supply |
| Difficulty | Beginner |
| Voltage | 3.7V nominal per cell |
| Interface | Leads / pogo |
Pinout
See module silkscreen: typically VCC, GND, and signal pins. Confirm labels against the seller photo — clones vary.
