Molicel 21700 P50B 5000mAh 45A Li-ion Battery Cell

 Product Description

Functional Positioning and Target Users

The Molicel 21700 P50B 5000mAh 45A Li-ion Battery Cell targets applications that demand steady high current output and extended run times. Designed for power tools, electric scooters, and portable electronics, this cell provides a balance of capacity and discharge capability to meet demanding energy needs. Its 21700 cylindrical format facilitates integration into standard battery packs used in various OEM and aftermarket devices.

Technical Features and Source-Backed Specifications

This li-ion lithium battery features a nominal voltage of 3.6V and a nominal capacity of 5000mAh, ensuring substantial energy storage. With a maximum continuous discharge current of 45A and low internal resistance (≤18mΩ), the cell supports high power loads efficiently. It offers over 800 charge cycles and complies with safety and environmental standards including CE, ROHS, UL, and UN38.3 certifications, reflecting industry-recognized quality and operational reliability.

Practical Application Fit

The cell fits well into applications such as Bluetooth speakers, GPS trackers, solar lighting systems, and POS machines where consistent voltage and current delivery are critical. Its operational temperature range supports use in varied environments, while the form factor allows for compact battery designs. Procurement managers and OEM buyers can consider this rechargeable lithium ion battery as a source for devices requiring both capacity and discharge performance in bulk or customized pack assemblies.

Item	Specifications	Remark
Model No.	21700-5000mAh
Nominal Voltage	3.6V
Nominal Capacity	5000mAh	@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	45A
Peak Discharge Current	45A
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 are the key certifications for your lithium ion battery products?
We ensure all our lithium ion batteries, including the Molicel 21700 P50B, hold CE, ROHS, UL, UN38.3, and CB certifications. These guarantee compliance with international safety and environmental standards for reliable industrial use.

Can you provide custom battery solutions or packaging options?
Yes, we offer tailored solutions based on your project requirements. Our team can discuss customized li-ion lithium battery configurations and packaging to meet specific capacity, discharge needs, or physical constraints.

How do I ensure optimal performance and lifespan for these batteries?
We recommend using professional chargers with CC/CV charging methods and maintaining charge cut-off and discharge cut-off voltages as specified. Proper temperature management within recommended ranges extends battery life across over 800 cycles.

What shipping and storage conditions do you advise for bulk lithium ion battery orders?
We advise storing batteries at -20~25℃ for up to 12 months and shipping according to UN38.3 safety protocols. This preserves battery integrity and complies with regulations for lithium ion battery wholesale shipments globally.