Samsung INR21700-50G — High-Capacity Lithium-ion Cell

Power your builds with confidence. The Samsung INR21700-50G is a premium 21700-format lithium-ion cell engineered for high-capacity applications — from DIY battery packs and e-bikes to power tools, solar storage systems, and EV conversions.

Key Specifications

• Model: INR21700-50G
• Nominal Voltage: 3.6V
• Capacity: 4900mAh (rated) / 5000mAh (typical)
• Chemistry: Lithium Nickel Manganese Cobalt Oxide (NMC)
• Form Factor: 21700 cylindrical cell
• Certification: CCC certified

Why Choose the INR21700-50G?

• ✅ One of the highest energy densities in the 21700 format
• ✅ Stable discharge curve for consistent performance
• ✅ Suitable for series/parallel battery pack assembly
• ✅ Trusted Samsung quality with rigorous cell-level QC
• ✅ Ideal for custom lithium battery pack builders

Typical Applications

• DIY lithium battery packs (e-bike, scooter, EV)
• Solar energy storage systems
• Power tools and industrial equipment
• Portable power stations
• RC vehicles and robotics

⚠️ Safety Notice: This cell is intended for use by qualified battery pack assemblers only. Not for use in vaping devices. Always handle with proper insulation, use a BMS, and follow safe lithium battery handling practices. Keep away from children.