18650 Li-Ion 3.7V BATTERY

Product Description

✅ General Specification: ➡️ Battery Type: Lithium-Ion Rechargeable Battery ➡️ Battery Model: 18650 ➡️ Nominal Voltage: 3.7V ➡️ Fully Charged Voltage: 4.2V ➡️ Typical Capacity: 2000–3000 mAh (variant dependent) ➡️ Rechargeable: Yes ➡️ Discharge Type: Flat Top / Button Top (variant dependent) ➡️ Continuous Discharge Current: Up to 10A (depending on cell quality) ➡️ Low Self-Discharge: Yes ➡️ Protection Circuit: With / Without Protection (variant dependent) ➡️ Battery Dimensions: 18mm × 65mm ➡️ Operating Temperature: −20°C to +60°C ➡️ Compatible With: Power banks, Arduino projects, ESP32, robotics, DIY electronics ➡️ Applications: Power banks, flashlights, portable devices, robotics, IoT projects, battery packs, DIY electronics ⚠️ Safety Note: Use proper charging modules (TP4056), avoid over-charging, over-discharging, and short circuits.