The Samsung INR21700-50E is a high-capacity rechargeable lithium-ion battery designed for applications requiring long runtime and reliable energy delivery. With a nominal voltage of 3.6V and a capacity of 5000mAh, this flat top cell offers excellent energy density and consistent performance.
Unlike high-drain cells, the 50E is optimized for capacity over current output, making it ideal for energy storage systems, e-bikes, flashlights, and battery packs where extended runtime is more important than extreme power output. Its flat top design makes it suitable for battery pack assembly and compatible devices.
| Brand: | Samsung |
| Model: | INR21700-50E |
| Chemistry: | Lithium-Ion (INR / LiNiMnCoO2) |
| Nominal Capacity: | 5000 mAh |
| Open Circuit Voltage: | 4.20 Volt (fully charged) |
| Nominal Voltage: | 3.6 Volt |
| Nominal Energy: | 18.0 Wh |
| Pulse Capability: | Typically up to 14.7 A |
| Max Recommended Continuous Current: | 9.8 A |
| Storage Temp: | 0°C to +25°C recommended |
| Operating Temperature Range: | Charge: 0°C to +45°C / Discharge: -20°C to +60°C |
Key Features:
- High-capacity 21700 lithium-ion battery
- 5000mAh capacity for extended runtime
- Optimized for energy storage rather than high-drain output
- Stable voltage and reliable discharge performance
- Flat top design for battery packs and compatible devices
- Ideal for e-bikes, flashlights, and energy storage systems
- Long cycle life with proper use
- Rechargeable lithium-ion chemistry
Also Known As:
- INR21700-50E
- Samsung 50E
- 21700 5000mAh Battery
- 3.6V 21700 Battery
- High Capacity 21700 Battery
- Li-Ion 21700 Flat Top
- Rechargeable 21700 Battery