📌 Overview
The OpenELAB 1-Pack 3C INR 21700 4500mAh 3.7V Lithium-Ion Batteries offer high-performance, rechargeable power for demanding electronics. With a 4500mAh capacity and a 3C discharge rate (up to 13.5A), these cells are optimized for endurance, safety, and consistent output in high-drain environments.
⚙️ Key Specifications
Cell Type: INR21700, cylindrical
Dimensions: 21.7 × 70.0 mm
Weight (per cell): ~68 g
Nominal Capacity: 4500 mAh
Nominal Voltage: 3.7 V
Max Continuous Discharge: 3C (up to 13.5 A)
Energy: ~16.65 Wh per cell
Top Type: Flat top
Cycle Life: 500–1000 cycles
Pack Size: 1 cells included
🧪 Performance Highlights
Reliable Capacity: 4500mAh for extended use in portable systems
High Output: 13.5A continuous discharge supports power-hungry devices
Stable Chemistry: INR formulation ensures safe operation under load
Long-Term Durability: Rated for 500+ charge cycles with consistent performance
Temperature Tolerance: Operates from -20 °C to +60 °C
📊 Applications
High-power LED flashlights
Cordless tools and e-bike battery packs
Solar lighting and energy storage systems
DIY robotics and custom battery builds
Other electronics requiring strong, stable current
📦 Package Contents
1 × OpenELAB INR21700 4500mAh 3.7V rechargeable batteries
Protective packaging for safe delivery
✅ Why OpenELAB?
🔋 Trusted INR lithium-ion chemistry for safety and performance
⚡ 3C discharge rate (13.5A) for high-demand applications
🌱 Rechargeable and RoHS/CE/UN38.3 certified
🛠️ Compatible with standard 21700 flat-top battery holders