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Original Sam INR21700 50S 5000mAh lithium battery

what we do?
We selling all kinds of the size of lipo battery and lithium-ion battery pack for the customer. Since we establishment, “Batteries, Technology Innovation, Establishing a High-Quality Management System, and Providing Efficient Service to Customers” has become the unanimous goal of all employees of the company. we providing a series of services to customers.

Product Information
Factory
Delivery

Key Features and Specifications:
Size: 21700, which means it has a diameter of approximately 21mm and a length of 70mm.
Capacity: 5000mAh (typical), providing long runtimes.
Continuous Discharge Rating (CDR): 25A. It can handle a higher discharge rate of 45A with an 80°C temperature cutoff.
Nominal Voltage: 3.6V.
Full Charge Voltage: 4.2V.
Discharge Cutoff Voltage: 2.5V.
Chemistry: Lithium-ion (Li-Ion).
Protected: No, it’s an unprotected cell. This means it requires an external protection circuit or careful handling to prevent overcharging, over-discharging, and short circuits.
Cycle Life: Offers a decent cycle life, typically around 250 cycles to 60% capacity.
Terminal: Flat top.

Company profile
• We are the OEM Manufacturer specializing in the development and production mobile power supply’s, established in 2014. • Our main products are lithium battery, portable mobile power banks,chargers ,and battery packs
• Business type :Integration of industry and trade.
Our Process:
•OEM/ODM Support: Customize your own product or design a unique model.
•Market Opportunities: Our experienced sales team will help you discover and tap into new markets.
•Customized Packaging: Save time and effort with our personalized packaging solutions.
•Quality Assurance: We employ professional testing equipment and a rigorous testing process for each product.
•Stringent Quality Control: Our QC team handles incoming materials and conducts 100% inspections.

Delivery terms:

Door to door by air, sea, train ship from China

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