LED
LCD
Product Description
The 18650 3.7V 1500mAh Li-Ion Battery is a lightweight, reliable cylindrical energy cell engineered for general electronics, portable flashlights, DIY power packs, and budget-friendly prototyping builds. Delivering a nominal 3.7 volts with a steady 1500mAh capacity, this versatile battery provides consistent energy output and dependable performance for low-to-moderate drain applications.
Essential for powering portable sensors, custom instrumentation, emergency lamps, and small-scale electronic projects, this practical 18650 cell combines cost-effective operation with reliable standard performance.
⚠️ Safety & Spot Welding Tip: When assembling multi-cell battery packs, always use pure nickel strips and a proper spot-welding machine rather than soldering directly to the battery terminals. Excessive heat can damage the internal chemistry and create a fire hazard.
Technical & Architectural Highlights
Stable 1500mAh Capacity: Provides dependable runtimes and consistent energy storage for moderate-drain electronic devices and workshop projects.
Reliable Lithium-Ion Chemistry: Maintains a steady 3.7V nominal voltage output (charging up to 4.2V max) with low self-discharge rates.
Standard 18650 Form Factor: 18mm diameter by 65mm length fits universally into standard battery holders, single-cell slots, and custom enclosures.
Cost-Effective Power Source: An economical choice for single-cell gadgets, flashlights, or entry-level multi-cell configurations.
Technical Specifications
| Parameter | Value / Specification |
| Product Type | Rechargeable Lithium-Ion (Li-Ion) Cylindrical Cell |
| Cell Size | 18650 (18mm x 65mm) |
| Nominal Voltage | 3.7V DC |
| Full Charge Voltage | 4.2V DC |
| Capacity | 1500 mAh |
| Chemistry | Lithium-ion |
| Terminal Type | Flat Top (Standard) |
Applications
Microcontroller & Sensor Nodes: Powering portable Arduino, ESP32, or IoT monitoring units with appropriate regulator modules.
Flashlights & Portable Gear: Replacing standard cells in flashlights, headlamps, and handheld test equipment.
Custom Electronic Projects: Building cost-effective backup power sources, test bench supplies, and small robotics packs.
What’s in the Box
1 x 18650 3.7V 1500mAh Li-Ion Battery.
All your electronics components, battery cells, and prototyping accessories are available with fast shipping across Egypt from Pro Tronix!
