📌 Overview
The OpenELAB 1-Pack 3C INR 21700 3000mAh 3.7V Lithium-Ion Batteries provide reliable, rechargeable energy for compact high-drain electronics. With a 3000mAh capacity and a 3C discharge rate (up to 9A), these cells are designed to balance safety, durability, and steady performance in demanding applications.
⚙️ Key Specifications
Cell Type: INR21700, cylindrical
Dimensions: 21.7 × 70.0 mm
Weight (per cell): ~68 g
Nominal Capacity: 3000 mAh
Nominal Voltage: 3.7 V
Max Continuous Discharge: 3C (up to 9 A)
Energy: ~11.1 Wh per cell
Top Type: Flat top
Cycle Life: 500–1000 cycles
Pack Size: 1 cells included
🧪 Performance Highlights
Compact Capacity: 3000mAh supports efficient runtime in portable devices
High Output: 9A continuous discharge powers high-drain electronics
Safe Chemistry: INR formulation ensures thermal stability under load
Durable Design: Rated for 500+ charge cycles with consistent performance
Temperature Range: Operates from -20 °C to +60 °C
📊 Applications
High-power LED flashlights
Cordless tools and e-bike battery packs
Solar lighting and backup systems
DIY robotics and custom battery projects
Other electronics requiring stable current
📦 Package Contents
1 × OpenELAB INR21700 3000mAh 3.7V rechargeable batteries
Protective packaging for safe delivery
✅ Why OpenELAB?
🔋 Trusted INR lithium-ion chemistry for safety and performance
⚡ 3C discharge rate (9A) for demanding applications
🌱 Rechargeable and RoHS/CE/UN38.3 certified
🛠️ Compatible with standard 21700 flat-top battery holders