18650 3.7v li-ion rechargeable battery with charge protection

A high-quality 18650 lithium-ion rechargeable battery with built-in protection circuitry. The integrated protection prevents overcharging, over-discharging, and short circuits for safe, reliable operation in your projects.

With 2500mAh capacity and 500+ charge cycles, this battery provides long-lasting, cost-effective power for flashlights, DIY electronics, robotics, and portable devices.

Key Features

• 2500mAh Capacity – Extended runtime for your devices
• Built-in Protection Circuit – Prevents overcharge, over-discharge, and short circuit
• 500+ Charge Cycles – Long service life
• Standard 18650 Size – 18mm × 65mm, fits common battery holders
• Wide Temperature Range – Operates from -20°C to 60°C

Ideal For

• Raspberry Pi UPS and battery packs
• LED flashlights and torches
• DIY electronics and robotics
• Portable power banks
• Battery-powered projects

Specifications

• Chemistry: Lithium-Ion (Li-ion)
• Nominal Voltage: 3.7V
• Capacity: 2500mAh
• Protection: Integrated PCB (overcharge/over-discharge/short circuit)
• Cycle Life: ≥500 cycles
• Operating Temperature: -20°C to 60°C
• Dimensions: 18mm diameter × 65mm length

Package Contents

• 1× 18650 Li-ion Battery (2500mAh, protected)