Samsung 50S 21700 5000mAh 25A Battery

Samsung 50S 21700 5000mAh 25A Rechargeable Battery – INR21700-50S

The Samsung 50S lithium-ion cell delivers an exceptional balance of high capacity and high discharge performance, making it one of the most versatile 21700 cells on the market.

Engineered for demanding applications such as e-bikes, power tools, and high-drain torches, the 50S offers a nominal capacity of 5000 mAh with a continuous discharge rating of 25 A — providing both long runtime and robust power delivery.

Compared to its sibling, the 50E, the 50S is tuned for higher current output, making it ideal where sustained power is critical without sacrificing energy density.

Built to Samsung’s strict quality standards, this cell delivers:

Outstanding energy density for extended runtime

High discharge capability (25 A continuous) for powerful performance

Excellent cycle life when operated within recommended parameters

Stable voltage curve even under heavy load

This cell is unprotected and flat-top, suited for use in devices with their own battery management or protection circuitry. It is not intended for use in unregulated e-cigarette or vape devices.

Specifications:

Model: INR21700-50S

Size: 21700

Style: Flat Top

Nominal Capacity: 5000 mAh

Continuous Discharge Rating (CDR): 25 A

Nominal Voltage: 3.6 V

Maximum Charge Voltage: 4.2 V

Protected: No

Rechargeable: Yes

Approximate Dimensions: 21.1 mm × 70.5 mm

Approximate Weight: 69 g

The Samsung 50S is an authentic Grade A cell — ideal for users needing both endurance and power in a single battery. Perfect for high-performance flashlights, e-bike packs, and other equipment that demand reliability from every charge.

At Batteryverse, our goal is to ensure that you are completely satisfied with your purchase. We strive to provide high-quality products and exceptional customer service to meet your needs. However, please note that we are unable to accept returns for change of mind purchases. We encourage you to carefully consider your selections before finalizing your order.

If you have any questions or require assistance in choosing the right product, feel free to contact our knowledgeable team at info@batteryverse.com.au. We are more than happy to help you make an informed decision.

The battery once it has been shipped is considered used, and we do not accept returns for those items, as it poses a safety and compliance issue. Ensure that you select the right battery when placing an order.

Damages and Issues
Upon receipt of your order, please inspect it carefully and notify us immediately if the item is defective, damaged, or incorrect. We will assess the situation and work to resolve the issue promptly.

Exceptions / Non-Returnable Items
Some items are ineligible for return, including custom products (e.g., special orders or personalized items) and hazardous materials. We also do not accept returns for batteries and chargers that have been opened or used, as they pose safety risks. If you have questions or concerns about your specific item, please contact us.

Please note that we are unable to accept returns on sale items or gift cards.

Exchanges
To expedite the exchange process, we recommend returning the item in question and making a separate purchase for the desired replacement once the return is approved.

Refunds
Upon receipt and inspection of your returned item, we will notify you of the refund status. If approved, your refund will be automatically processed to your original payment method within 10 business days. Keep in mind that your bank or credit card company may require additional time to process and post the refund. If more than 15 business days have passed since we approved your return, please contact us at info@batteryverse.com.au.

Disclaimer: Batteryverse is not liable for batteries and chargers that are misused or utilized in a manner inconsistent with the manufacturer's intent, potentially leading to malfunction. Customers are responsible for ensuring that batteries and chargers are used safely and appropriately.