Fingerprint Sensor AS608 - A Beginner's Guide
One touch can replace keys. This project uses an optical fingerprint sensor to enroll users and then grant access with a quick scan.
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Samsung 25R 18650 Cell — 2500mAh High Drain
The Samsung INR18650-25R (2500mAh) is a high-drain 18650 cell capable of 20A continuous discharge. It's one of the most trusted cells for high-current applications — motors, ESCs, power tools, and battery packs that demand both capacity and current.
Technical specifications
| Model | Samsung INR18650-25R |
|---|---|
| Chemistry | INR (Lithium Nickel Manganese) |
| Voltage | 3.7V nominal / 4.2V max |
| Capacity | 2500 mAh |
| Max continuous discharge | 20A |
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Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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