📌 Overview
The OpenELAB 1-Pack 3C INR 26650 4000mAh 3.7V Lithium-Ion Batteries provide reliable, rechargeable power for high-drain electronics. With a 4000mAh capacity and a 3C discharge rate (up to 12A), these cells are designed to balance endurance, safety, and strong output for demanding applications.
⚙️ Key Specifications
Cell Type: INR26650, cylindrical
Dimensions: 26.2 × 65.0 mm
Weight (per cell): ~78 g
Nominal Capacity: 4000 mAh
Nominal Voltage: 3.7 V
Max Continuous Discharge: 3C (up to 12 A)
Energy: ~14.8 Wh per cell
Top Type: Flat top
Cycle Life: 500–1000 cycles
Pack Size: 1 cells included
🧪 Performance Highlights
High Capacity: 4000mAh for dependable runtime in portable devices
Strong Output: 12A continuous discharge supports high-drain electronics
Thermal Stability: INR chemistry ensures safe operation under load
Durable Design: Rated for 500+ charge cycles with consistent performance
Wide Temperature Range: Operates from -20 °C to +60 °C
📊 Applications
High-power LED flashlights
Portable tools and e-bike battery packs
Solar lighting and backup systems
DIY robotics and custom battery projects
Vape mods and other high-drain electronics
📦 Package Contents
1 × OpenELAB INR26650 4000mAh 3.7V rechargeable batteries
Protective packaging for safe delivery
✅ Why OpenELAB?
🔋 Reliable INR lithium-ion chemistry for safety and performance
⚡ 3C discharge rate (12A) for demanding applications
🌱 Rechargeable and RoHS/CE/UN38.3 certified
🛠️ Compatible with standard 26650 flat-top battery holders