18650 Li-ion Rechargeable Battery 3.7V 3000mAh with Bare Wires

A high-capacity 18650 Li-ion Rechargeable Battery — the go-to cell for DIY electronics, power banks, flashlights, and Arduino/ESP32 projects. Rated at 3.7V nominal and 3000mAh, this cell comes pre-soldered with bare red and black wire leads for direct integration into your circuit or battery holder.

Key Features

• Standard 18650 form factor
• Nominal voltage: 3.7V | Fully charged: 4.2V
• Capacity: 3000mAh
• Pre-soldered bare wire leads (red = positive, black = negative)
• Blue PVC heat-shrink wrap for protection
• Rechargeable — compatible with standard 18650 chargers

Applications

• DIY power banks
• Flashlights and torches
• Arduino, ESP8266/ESP32 projects
• Portable electronics and IoT devices
• Battery pack builds

Specifications

• Cell Type: 18650 Li-ion
• Nominal Voltage: 3.7V
• Capacity: 3000mAh
• Leads: Bare wire (red/black)
• Wrap Color: Blue