📌 Overview
The OpenELAB INR18500 rechargeable lithium-ion batteries (1-pack) deliver compact, high-capacity power for flashlights, electronics, and embedded systems. Each cell offers 1800mAh and 3.7V nominal voltage, making them ideal for medium-drain devices that demand reliable performance in a space-saving format.
⚙️ Key Specifications
Cell Type: INR18500, cylindrical
Dimensions: 18.0 × 50.0 mm
Weight (per cell): ~36 g
Nominal Capacity: 1800 mAh
Nominal Voltage: 3.7 V
Max Continuous Discharge: 3C (up to 5.4 A)
Energy: ~6.66 Wh per cell
Pack Size: 1 cell included
🧪 Performance Highlights
Space-Efficient Design: Shorter than 18650, fits compact battery compartments
Extended Runtime: 1800mAh capacity supports longer device operation
Stable Output: INR chemistry ensures safe and consistent discharge
Temperature Range: Operates from -20 °C to +60 °C
Recharge Longevity: Rated for 500+ cycles with minimal degradation
📊 Applications
LED flashlights and tactical gear
Solar-powered lighting and outdoor devices
DIY electronics and sensor platforms
Alarm systems and compact tools
Rechargeable toys and embedded modules
📦 Package Contents
1 × OpenELAB INR18500 1800mAh 3.7V rechargeable battery
Protective packaging for safe delivery
✅ Why OpenELAB?
🔋 INR lithium-ion chemistry for enhanced safety and performance
⚡ 3C discharge rate (up to 5.4A) for medium-drain electronics
🌍 Rechargeable and RoHS/CE/UN38.3 certified
🛠️ Compatible with standard 18500 flat-top battery holders