The Samsung INR21700-50S 3.6V 5000mAh Li-ion Battery (Button Top) is a premium high-capacity rechargeable lithium-ion battery engineered for applications requiring both exceptional runtime and high power output. Featuring a 5000mAh capacity, this 21700 cell is ideal for power tools, high-performance flashlights, battery packs, portable power stations, electric bikes, medical devices, and other demanding electronic equipment.
Manufactured by Samsung SDI, the INR21700-50S combines outstanding energy density with excellent cycle life and high discharge capability. The button top terminal provides compatibility with devices requiring a button-top 21700 battery, making it an excellent choice for professional, industrial, and enthusiast applications.
| Brand: | Samsung SDI |
| Model: | INR21700-50S (Button Top) |
| Chemistry: | Lithium-ion (INR) |
| Nominal Capacity: | 5000 mAh |
| Open Circuit Voltage: | 4.20 Volt (Fully Charged) |
| Nominal Voltage: | 3.6 Volt |
| Nominal Energy: | 18.0 Wh |
| Max. Continuous Discharge Current: | 25A |
| Max. Pulse Discharge Current: | 45A |
| Standard Charge Current: | 2.5A |
| Fast Charge Current: | 6A |
| Charge Cut-off Voltage: | 4.20 Volt |
| Discharge Cut-off Voltage: | 2.5 Volt |
| Storage: | Store in a cool, dry place |
| Operating Temperature: | Charge: 0°C to +45°C / Discharge: -20°C to +60°C |
| Battery Size: | 21700 |
| Dimensions: | 21.2mm Diameter × 70.5mm Height |
| Weight: | Approximately 72g |
| Terminal: | Button Top |
Key Features:
- Premium Samsung SDI rechargeable lithium-ion cell
- 5000mAh capacity for maximum runtime
- High 25A continuous discharge capability
- Up to 45A pulse discharge capability
- Stable 3.6V nominal output
- Button top terminal for expanded device compatibility
- Excellent cycle life and high energy density
- Low internal resistance for demanding applications
- Ideal for power tools, battery packs, flashlights, portable power stations, and e-mobility devices
- Rechargeable hundreds of times using a compatible Li-ion charger
Also Known As:
- INR21700-50S
- Samsung 50S
- 21700 Button Top Battery
- 5000mAh 21700 Battery
- 3.6V Li-ion Battery
- Rechargeable 21700 Cell
- Samsung SDI 50S
Common Applications:
- Power Tools
- High-Power Flashlights
- Portable Power Stations
- Battery Packs
- Electric Bicycles
- Electric Scooters
- Medical Equipment
- Industrial Electronics
