The Samsung INR21700-50S is a premium high-performance rechargeable lithium-ion battery that combines high capacity with strong discharge capability. With a nominal voltage of 3.6V and a capacity of 5000mAh, this flat top cell delivers excellent energy density along with powerful output.
Unlike standard high-capacity cells, the 50S is engineered to handle higher current loads, making it ideal for demanding applications such as power tools, electric mobility devices, high-performance flashlights, and advanced battery packs. Its flat top design makes it suitable for pack assembly and devices designed for unprotected lithium-ion cells.
| Brand: | Samsung |
| Model: | INR21700-50S |
| 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 30 A |
| Max Recommended Continuous Current: | 25 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 with strong high-drain capability
- 25A continuous discharge rating
- Balanced performance between power and runtime
- Flat top design for battery packs and compatible devices
- Ideal for power tools, EV applications, and high-performance electronics
- Excellent energy density and cycle life
- Rechargeable lithium-ion chemistry
Also Known As:
- INR21700-50S
- Samsung 50S
- 21700 5000mAh Battery
- 3.6V 21700 Battery
- High Capacity High Drain 21700 Battery
- Li-Ion 21700 Flat Top
- Rechargeable 21700 Battery