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18650 3.7V Li-ion Battery (1200mAh)

49.00

  • Full Name: 18650 Rechargeable Lithium-Ion Battery
  • Rechargeable lithium-ion chemistry
  • High energy density
  • Low self-discharge rate
  • Lightweight and compact design
  • Long cycle life
  • Stable discharge performance
  • Suitable for portable electronic devices
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The 18650 3.7V Li-ion Battery (1200mAh) is a rechargeable Lithium-Ion cylindrical battery designed for powering DIY electronics, Arduino projects, power banks, LED lights, portable devices, robotics, battery packs, and emergency backup systems. It offers high energy density, low self-discharge, and long cycle life, making it an excellent choice for portable power applications.

Features

  • Full Name: 18650 Rechargeable Lithium-Ion Battery
  • Rechargeable lithium-ion chemistry
  • High energy density
  • Low self-discharge rate
  • Lightweight and compact design
  • Long cycle life
  • Stable discharge performance
  • Suitable for portable electronic devices

Specifications

Specification Value
Product Type Rechargeable Lithium-Ion Battery
Battery Size 18650
Nominal Voltage 3.7V
Full Charge Voltage 4.2V
Capacity 1200mAh
Battery Chemistry Lithium-Ion (Li-ion)
Rechargeable Yes
Standard Charge Current 0.5C (Approx. 600mA)
Maximum Continuous Discharge Current 1C (Approx. 1.2A) (Typical)
Cycle Life Up to 500 Charge Cycles (Typical)
Operating Temperature Charging: 0°C to +45°C, Discharging: -20°C to +60°C

Terminal Configuration

Terminal Description
Positive (+) Button Top / Positive Terminal
Negative (−) Flat Base / Negative Terminal

Note: Always observe the correct battery polarity when installing or connecting the battery.

Applications

  • DIY power banks
  • Arduino and ESP32 projects
  • Robotics
  • LED lighting
  • Flashlights
  • Portable speakers
  • Battery backup systems
  • Rechargeable electronic devices
  • Educational electronics projects

Advantages

  • Rechargeable and reusable
  • High energy density
  • Low self-discharge
  • Lightweight and portable
  • Long service life
  • Reliable performance
  • Cost-effective power source

Size

Specification Value
Diameter Approx. 18 mm
Length Approx. 65 mm
Weight Approx. 40–45 g

Package Includes

  • 1 × 18650 3.7V Li-ion Battery (1200mAh)

Note: Charge this battery only with a compatible 4.2V Li-ion charger. Do not short-circuit, puncture, crush, expose to fire, or overcharge the battery. Store in a cool, dry place and use a protection circuit (BMS/PCM) when building battery packs for enhanced safety and longer battery life.

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18650 3.7V Li-ion Battery (1200mAh)18650 3.7V Li-ion Battery (1200mAh)
49.00
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