Samsung 21700 50G1 3.6V 4800mAh 10A Li-ion Battery Cell

Product Description

Functional Positioning and Target Users

The Samsung 21700 50G1 lithium ion battery cell is designed for applications requiring reliable and efficient energy storage. It fits devices such as power tools, security systems, electric scooters, and portable electronics. The battery offers a balance of capacity and size, targeting OEM/ODM buyers and distributors who need consistent performance in a compact form factor. This product supports users requiring stable power output and longer cycle life in production or replacement contexts.

Technical Features and Specifications

This li-ion lithium battery cell features a nominal voltage of 3.6V and a capacity of 4800mAh, configured in the 21700 cylindrical form (21mm diameter, 70mm height). With low internal resistance of 18mΩ or less, it maintains stable discharge voltage across over 800 life cycles. Certifications such as CE, RoHS, UL, and UN38.3 indicate compliance with international safety standards. The battery employs a CC/CV charging method with a cut-off voltage of 4.2V, supporting max continuous charge current of 1C and peak discharge current of 5C.

Application Fit and Practical Use Value

Suitable for wholesale and OEM/ODM supply, the Samsung 21700 50G1 serves as a power source in a range of commercial and industrial devices. It is applicable in Bluetooth speakers, GPS trackers, solar lights, electric bikes, and POS terminals, providing business users with a rechargeable lithium ion battery option that meets both operational and safety needs. Its durable construction supports stable performance in portable devices and backup power solutions within varied working environments.

Item	Specifications	Remark
Model No.	21700-4800mAh
Nominal Voltage	3.6V
Nominal Capacity	4800mAh	@0.2C standard charge&discharge
Dimensions	21*70mm max	Diameter*Height
Cycle Life	≥800 times
Charge Method	CC/CV with professional charger
Charge Cut-off Voltage	4.2V
Discharge Cut-off Voltage	2.5V
Standard Charge Current	0.2C
Standard Discharge Current	0.2C
Max Continuous Charge Current	1C
Continuous Discharge Current	3C
Peak Discharge Current	5C
Recommended Operation Ambient Temperature	Charge: 0~45℃ Discharge:-20~60℃
Storage Temperature	-20~25℃	12 months
	-20~45℃	3 months
	-20~60 ℃	1 month
Internal Resistance	≤18mΩ
Weight	Approx. 46g

Bluetooth speaker， flashlight， solar light，intelligent door lock， gps tracker， parking device， medical device， POS machines， power tool， garden tool， sweeper， electric scooter， electric bike， outdoor power supply， etc

FAQ

What industries or devices commonly use your Samsung 21700 50G1 lithium ion battery cells?
Our Samsung 21700 50G1 battery cells are widely used in various sectors including electric scooters, GPS devices, Bluetooth speakers, solar lights, and industrial tools. As a reliable lithium ion battery supplier, we ensure our cells meet the diverse power needs of these applications with consistent performance.

Can you provide custom configurations for the Samsung 21700 50G1 battery to fit specific industrial requirements?
Yes, as experienced lithium-ion battery manufacturers, we offer customization options including voltage, capacity, and size adjustments. You can consult us directly to develop a tailored 3.7 volt lithium ion battery solution that matches your device specifications and operational demands.

How should I maintain and store the Samsung 21700 50G1 lithium ion battery to ensure longevity?
To maximize lifespan, store the battery at recommended temperatures (-20~25℃ for 12 months). Avoid overcharge or deep discharge by using proper chargers with a cut-off voltage of 4.2V. Following these guidelines preserves our rechargeable lithium ion battery's cycle life and performance.

What shipping and certification standards do you comply with for international lithium ion battery orders?
We adhere strictly to global safety certifications including CE, RoHS, UL, and UN38.3, supporting safe international logistics. Our products meet all regulatory requirements, assuring industrial buyers of reliable and compliant lithium ion battery wholesale shipments worldwide.