Description
Maximize your device's performance with the Samsung 50E 21700 battery, featuring an impressive 5000mAh capacity and a 9.8A continuous discharge rate. This battery is engineered for longevity and power, making it ideal for high-energy applications such as electric vehicles, large scale energy storage, and other demanding electronic devices. With Samsung's advanced technology, the 50E battery offers not only long duration but also reliability under various operational conditions.
Please note this is a button top protected 18650 battery and it is longer than a standard flat top 18650 battery. The PCB offers protection from over charge, over discharge, over current, and short circuit. This cell has an additional outer wrapper and insulator which must not be removed.
- Massive Energy Capacity: 5000mAh to support extended usage times, perfect for energy-intensive applications.
- High Discharge Rate: Delivers a 9.8A continuous discharge, providing the power needed for high-performance electronics.
- Robust Cycle Life: Offers excellent longevity with up to 500 cycles while maintaining at least 80% of its rated capacity.
- Optimal Performance: Operates efficiently across a wide temperature range from -20°C to 60°C, suitable for various environments.
- Safety Features: Built-in mechanisms for overcharge, over-discharge, and over-current protection ensure safe and reliable operation.
SPECIFICATIONS
| Manufacturer: | Samsung SDI |
| Model: | INR21700-50E (50E) |
| Size: | 21700 |
| Positive Terminal: | Button Top |
| Nominal Capacity: | 5000mAh |
| Continuous Discharge Rating (max): | 9.8A Maximum Continuous |
| Nominal Voltage: | 3.6V |
| Maximum Voltage: | 4.2V |
| Discharge cut-off Voltage: | 2.65V |
| Protected: | Yes, PCB. |
| Rechargeable: | Yes |
| Approx. Dimensions: | 21.1mm x 74.5mm |
| Approx. Weight: | 68.7g |
| Country of Origin: | Republic of Korea |
| Data Specification Sheet: | Samsung 50E Datasheet |
⚠ Important Safety Warnings
While this battery is equipped with built-in protection circuitry to help prevent overcharging, over-discharging, and short circuits, improper handling or misuse can still result in FIRE, EXPLOSION, or THERMAL RUNAWAY, causing personal injury or property damage. Users must read and follow all safety guidelines before purchase and use. Click here to review the full safety guidelines.
- Intended Use: This battery is designed for use in flashlights, headlamps, and similar devices that require a button top configuration. Ensure compatibility with your device before use.
- Protection Circuit Limitations: While the protection circuit provides additional safety, it cannot prevent damage caused by misuse, including exposure to liquids, extreme heat, or physical damage.
- Storage & Transport: Always store batteries in protective cases to prevent accidental contact with metal objects (e.g., keys, coins, tools) that can cause a short circuit. Do not store loose batteries in pockets, bags, or other uncontrolled environments.
- Inspection: Do not use if the battery is dented, leaking, bulging, or if the outer wrapper or button top is damaged.
- Charging: Use a smart charger specifically designed for button top protected batteries. Do not exceed the battery's voltage and current specifications. Never leave the battery unattended while charging.
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Prohibited Activities:
- Do not expose the battery to water, fire, or high heat.
- Do not modify, puncture, crush, or attempt to disassemble the battery.
- Do not use the battery if it becomes unusually hot during use or charging.
- Emergency Response: If the battery overheats, emits smoke, or shows other signs of failure, stop using it immediately. Move the battery to a safe, non-flammable surface (e.g., sand or concrete) and follow emergency protocols.
Disclaimer
18650Battery.com is not responsible for any damages, injuries, or claims arising from improper use, handling, or failure to follow these safety guidelines. Lithium-ion batteries require strict adherence to all safety protocols. It is the reseller's responsibility to ensure all safety warnings and product guidelines are effectively communicated to customers. Users and resellers assume full responsibility for the safe handling, usage, and distribution of this product.