Description
Samsung 50S2 – The Flagship 21700 Cell for Performance and Storage
The Samsung 50S2 is a powerhouse in the world of 21700 lithium-ion cells, boasting 5000mAh of capacity—the highest offered by Samsung—combined with an impressive 35A discharge rate. As the flagship cell from Samsung, it delivers exceptional performance for high-demand applications while maintaining unparalleled energy storage capabilities.
This cell's unique combination of power and capacity makes it ideal for performance-driven projects, such as high-output electric vehicles, power tools, or e-bikes. At the same time, its energy-dense design is perfect for DIY enthusiasts building battery packs that require both endurance and reliability.
Whether you're looking for raw power or long-lasting energy, the Samsung 50S stands as the most popular and versatile 21700 cell, trusted by professionals and hobbyists alike. It's the ultimate choice for any application where performance meets exceptional storage.
Specifications:
| Manufacturer | Samsung SDI |
| Model | 50S2 (new version) |
| Size | 21700 |
| Positive Terminal |
Flat Top |
| Nominal Capacity | 5000mAh |
| Continuous Discharge Rating (max) | 25A with no temperature cut / 45A with 80C temperature cut |
| Nominal Voltage | 3.6V |
| Maximum Voltage | 4.2V |
| Discharge cut-off Voltage | 2.5V |
| Protected | No |
| Rechargeable | Yes |
| Approx. Dimensions | 20.45mm x 70.55mm |
| Approx. Weight | 70.19g |
| Country of Origin | Republic of Korea, China or Malaysia |
| Associated Names | INR21700-50S |
| Data Specification Sheet | DataSheet |
Safety Warning for Lithium-Ion Battery Usage
Customers should have a clear understanding of lithium-ion battery handling and safety before making a purchase. Lithium-ion batteries are highly sensitive and may pose fire, burn, or explosion risks if improperly handled. Always charge batteries on fire-resistant surfaces, and never leave them charging unattended.
By purchasing, you assume full responsibility for any injury, damage, or loss arising from the incorrect use or handling of lithium-ion batteries or chargers. Compatibility with specific devices is not guaranteed. Only charge using a smart charger designed specifically for this battery type, and do not mix old or used batteries with new ones.
Important Usage Guidelines:
- Not for Use in E-Cigarettes or Similar Devices: Lithium-ion batteries present a serious risk of injury, property damage, or even death if improperly used.
- Risk of Fire and Explosion: Misuse can cause batteries to ignite, explode, or release harmful gases.
- Always Use in a Protected Pack: Ensure batteries are used within intended specifications and supported by appropriate circuitry.
- Proper Storage and Handling: Store batteries in protective cases, away from metal items to prevent short circuits.
- Inspection Prior to Use: Do not use batteries with damaged wrappers, torn insulators, or visible damage.
- Follow Manufacturer's Charging Specifications: Avoid overcharging or over-discharging, and never alter, dismantle, puncture, crush, or burn.
- Heat and Water Precautions: Do not expose batteries to high temperatures or any liquids.
- Assembly Guidelines: Batteries should only be spot welded; do not solder directly onto battery terminals.
Users are expected to have battery-handling knowledge before purchasing. By using these batteries, you acknowledge that usage is solely at your own risk, and you take full responsibility for any resulting consequences.
For Resellers: Please ensure all safety information is passed along to end users to promote safe handling and proper use.
You may also like
Recently viewed
Customer Reviews
Very good 👍 batteries and great customer service, buy a Nice guy who owns the business!!! WILL definitely buy again 😁
Thanks so much, Freddie! 🙌 It means a lot to hear that. I'm glad you're happy with the batteries and service — looking forward to helping you again anytime! 💪
Great Battery for air RC planes
I turned my 6ah dewalt 20v 6ah battery to a 10ah battery with these. Tested them at 15ah draw and the temp never went over 24c
