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18650 Li-ion Battery Pack 7.4V 4400mAh Rechargeable Battery

Name: 18650 Li-ion Battery Pack 7.4V 4400mAh Rechargeable Battery
Brand: all-electronics-online.com
SKU: 803069255
Availability: InStock
Rating: 4.9 (110 reviews)

Price:	US $ 3.5-4.0/Piece
Min Order:	100/Piece
Pay Type:	L/C,T/T,D/P,Western Union,Paypal

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Showroom Product Company Profile

Prod Model:	UBT-18650-2s2p-4400-7.4V
Weight:	100g
Certicification:	Ce/RoHS
Type:	Lithium-Ion Battery Pack
Connection Mode:	Series and Parallel
Usage:	LED Light
Electrolyte:	Lithium-Ion

Product Description

18650 li-ion li ion rechargeable wholesale battery pack 2s2p 7.4v 4400mah

Specification

Item		Specification
Nominal Voltage		7.4Volt
Nominal Capacity		4400mAh(0.2C discharge)
Size		Customized
Weight		approx 350g
Composed Type		2S2P
Max Charge Protetion Voltage		7.2-8.4V
Charging Current		0.2C
Charging Time		2-3H
Charge Method		CC-CV (constant current and constant voltage )
Max Discharge Current		2A
Max Discharge Current		300 times
Working Temperature	Charge	0~45°C,45~85%RH
	Dis-charge	-20~60°C,45~85%RH
Storage Temperature and Humidity	One month	-20~60°C,45~85%RH
	Three months	-20~45°C,45~85%RH
	One year:	-20~25°C,45~85%RH
Protection Functions		Over charge, Over discharge, Over load, Short Circuit
Warranty		full 12 months

Application

1.CCTV Camera
2.LED Strip
3.PAD personal data assistant
4.Solar Street lights
5.Portable electric appliances and mining system
6.Fire fighting, safety device, and alarm monitoring

Certificates

UL,CE,RoHS,MSDS,UN38.3,IEC61233

Advantages

1. High energy density
2. High working voltage for single battery cells
3. Pollution-free
4. Long cycle life
5. No memory effect
6. Capacity, resistance, Voltage, platform time consistency is good
7. With short-circuit production function, safe and reliable
8. High quality but with lower price
9. Good consistency, low self discharge
10. Light weight, small size

Introduction

Shenzhen Ubetter Co., Ltd, founded in 2013, has become a comprehensive battery manufacturer with the combination of R&D, manufacturing, marketing and service.

Shenzhen Ubetter, The Leader of Li-ion polymer batteries manufacturer, located in Shenzhen city, is specialized in Power battery series(such as electric-bikes, electric scooter and electric cars, etc), Storage battery, High-rate discharge Lithium ion battery(10C-60C high-rate discharge series such as air modeling and power tool etc), ). High Temperature Li-ion battery(up to 85° ), Low Temperature Polymer Li-ion battery(up to -40° ), Ultra-thin battery(up to 0.43mm). Ubetter has succeeded to solve the power battery core technologies problem: High Consistency and Excellent Safety Performance. Products' performance is leading in domestics market and in path with international standards. Products are widely employed in digital products series(such as MP3, UPS, etc. ), notebook PC series, 18650 series, and sales over 100 countries worldwide.

With over 4000 square meters dust-free workshop, 200 employees, automatic production lines and modernized equipments, Ubetter is offering reliable quality, efficient delivery and competitive price, by which we have gained global reputation. We are qualified for ISO9001, UL, CE, RoHS, IEC, UN38.3, MSDS, patent approves and National Hi-TECH Enterprise certification.

Our advantages

Shenzhen Ubetter Technology Co., Ltd. is a famous enterprise in the line of China's new energy business, mainly producing environmentally friendly power battery for electric vehicles, integrating the research and development, producing and selling of Lithium-ion Battery, wind and solar Energy Storage Battery as well as various kinds of batteries. Bearing with the spirit of pragmatism and innovation, we have been endeavoring to produce products with best quality for all walks of life by people-oriented management and high efficiency production line. Our R&D department has mustered skilled persons with over ten years' experience in battery research and developing, playing an leading role in the field of R&D of more and more series of batteries. Meanwhile we have cooperated with many big battery enterprises for many years and have numerous connections in this line of business. We have abundant battery resources with guaranteed quality. Shenzhen Ubetter Technology Co., Ltd. is located in the beautiful Dapeng bay with charming and beautiful scenery, excellent geographical location and convenient transportation.