Description
Samsung 50E 21700 5000mAh Battery – Long-Lasting Power for E-Bikes & Battery Packs
Why Choose the Samsung 50E?
✔️ 5000mAh High-Capacity – Extended runtimes for demanding applications
✔️ 9.8A Continuous Discharge – Stable power delivery for high-drain devices
✔️ High Cycle Life – Retains 80% capacity after 500 charge cycles
✔️ Advanced 21700 Cell – Higher energy density than 18650 batteries
✔️ Ideal for Power Tools & E-Bikes – Reliable performance under heavy loads
The Samsung 50E is a premium 21700 lithium-ion battery built for long runtime, efficiency, and durability. With an impressive 5000mAh capacity and a 9.8A continuous discharge rating, this cell is the ideal choice for e-bikes, battery packs, and power tools. Its high energy density ensures longer use between charges, while its low self-discharge rate enhances efficiency.
Compared to standard 18650 cells, the Samsung 50E offers greater power storage and a higher energy-to-weight ratio, making it an excellent option for electric transport, off-grid solar energy storage, and custom battery packs. Built with Samsung SDI’s advanced lithium-ion technology, this battery delivers consistent voltage retention, superior performance, and reliable cycle life.
Specifications
| Brand | Samsung SDI | 
| Model | 50E (INR21700-50E) | 
| Cell Size | 21700 | 
| Nominal Capacity | 5000mAh | 
| Minimum Capacity | 4900mAh | 
| Continuous Discharge Rating | 9.8A | 
| Nominal Voltage | 3.6V | 
| Full Charge Voltage | 4.2V | 
| Discharge Cutoff Voltage | 2.5V | 
| Rechargeable | Yes | 
| Protected | No (Unprotected – Requires external protection circuit) | 
| Cycle Life | Approximately 500 cycles to 80% capacity | 
| Diameter | 21.1 mm | 
| Length | 70.7 mm | 
| Weight | ~69 g |