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18650 Battery 3.7V 4000mAh Lithium Ion Battery for LED Flashlight

Name: 18650 Battery 3.7V 4000mAh Lithium Ion Battery for LED Flashlight
Brand: all-electronics-online.com
SKU: 802972945
Availability: InStock
Rating: 4.9 (45 reviews)

Price:	US $ 3-3.8/Piece
Min Order:	100/Piece
Pay Type:	L/C,T/T,Paypal

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Showroom Product Company Profile

Prod Model:	UBT-18650-3.7V-4000mAh
Rated Voltage:	3.7V
Capacity:	4000mAh
Lead Time:	5 Days
Certificate:	Ce, UL, RoHS, IEC, Un38.3
Type:	Lithium-Ion Battery Pack
Connection Mode:	Series and Parallel
Electrolyte:	Lithium-Ion

Product Description

18650 Battery 3.7V 4000mAh Lithium Ion Battery for LED Flashlight

Specification	li-ion battery
Type	Lithium-ion rechargeable cell
Model	TLH122660
Nominal voltage	3.7 V
Nominal capacity	3000mAh
	discharge from 4.2V to 3.0V at 0.2C mA
Minimal capacity	4000mAh
Max charge current	4000 mA 1C
Charging method	charge with constant current 1C to 4.2V, then charge with constant voltage 4.2V till charge current is less than 0.01C
Discharge cut-off voltage	3.0 V, the over-discharge detection voltage of PCM
Operating environment	Charging, 0°C ~ 45°C ; 65±20%RH
Operating environment	Discharging, -20°C~60°C ; 65±20%RH
Storage environment	-20°C~45°C 65±20%RH
Storage environment	storage for a long time(>3 months) and the storage condition shall be:<35°C;65±20%RH;3.7~3.9V
Weight (Approx)	90 g
Dimension (Max)	26x65mm

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, Factory price& High quality
9, Good consistency, low self discharge
10, Light weight, small size

Features:
1, Longer storage life than NiMH Batteries
2, Light weight and higher energy density than any rechargeable battery
3, Installed IC chip will prevent the battery pack from over charge and over discharge.
It helps protect battery chemistry integrity and prolongs battery life.
4, Installed polyswitch will cut off power if battery discharge current more than 6.6Ah
5, Perfect for building up battery pack for medical equipment Back-up or EPS Emergency Power
6, Supply which requires compact size and lighter weight
7, The battery module is wrap by PVC

Others:
1, OEM orders are available
2, Superior quality and cost-performance ratio
3, Tags, plugs and connectors are available
4, We could design and produce the battery pack with plastic shell and assembly procession for customized configurations is available (we could design and develop Li-ion battery according to your product work performance & structure apprearance)

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.