Samsung INR21700-50E 5000mAh 21700 Battery (High Capacity)

The Samsung INR21700-50E is a high-capacity 21700 lithium-ion cell designed for applications that prioritize energy density and long runtime. With a typical capacity of 5000mAh, the 50E is one of the most widely used cells for battery packs requiring efficiency and extended operation.

Manufactured by Samsung SDI, this cell delivers stable performance and reliable cycle life, making it a preferred choice for energy-focused applications.

Key Features:
- 5000mAh typical capacity
- Optimized for energy density and runtime
- Stable and efficient discharge characteristics
- Flat-top configuration for pack integration
- Proven Samsung SDI reliability

Technical Specifications:
- Model: INR21700-50E
- Format: 21700
- Nominal Voltage: 3.6V
- Charge Voltage: 4.2V
- Discharge Cutoff: 2.5V
- Capacity: 5000mAh typical
- Max Discharge Current: 9.8A
- Standard Charge Current: 2.45A
- Max Charge Current: 4.9A
- Weight: ~69g
- Diameter: 21.5mm max
- Height: 70.0mm max
- Internal Resistance: ≤35 mΩ
- Operating Temp: Charge 0°C–60°C / Discharge -20°C–60°C
- Certifications: UN38.3, UL1642, IEC62133
- Origin: South Korea

Applications:
- Energy storage systems
- Electric bikes (low-to-moderate power setups)
- Portable power stations
- Battery packs requiring long runtime

Safety Notice:
This is an unprotected lithium-ion cell intended for use in properly designed battery packs with appropriate battery management systems.