ShenZhen Pinsum Tech Co.,Ltd

Sales & Support
Request A Quote - Email
Select Language
About Us
Factory Tour
Quality Control
Contact Us
Request A Quote
Home ProductsLi-ion battery

Li-ion battery 18650 3.7V 4400mAh for flashlight

Good quality Li-polymer batttery for sales
Good quality Li-polymer batttery for sales
Patient, High quality, nice price and nice after services.

—— Japan JTT company CEO Kenzo

Very good quality, fast lead time, we cooperate each other for many years.Many tks for Pinsum's team great support our business.

—— From one of USA company

I'm Online Chat Now

Li-ion battery 18650 3.7V 4400mAh for flashlight

China Li-ion battery 18650 3.7V 4400mAh for flashlight supplier

Large Image :  Li-ion battery 18650 3.7V 4400mAh for flashlight

Product Details:

Place of Origin: China
Brand Name: PINSUM
Certification: UL,CE,ROHS, UN38.3
Model Number: 18650 4400mAh 3.7V

Payment & Shipping Terms:

Minimum Order Quantity: 500 PCS
Price: 2-8 USD
Packaging Details: OEM or natural box packing
Delivery Time: 10-25 days
Payment Terms: TT/West Union/Paypal
Supply Ability: 10000000 per month
Contact Now
Detailed Product Description

Li-ion battery 18650 3.7V 4400mAh for flashlight


Size,capacity,voltage,rate discharge all could be customized, welcome enquiry


Product Description

Specification of li-ion battery


Nominal voltage 3.7v
Nominal capacity 4400mah
size  16±0.2;650±0.5mm
Main characteristics High energy density,good capacity,light and thin,safe and reliable(with PCM) ,long circle life,no memory,environmental,stable performance,reasonable low price,capacity and size could be customerized.
Operating environment Charging, 0°C ~ 45°C ; 65±20%RH
Discharging, -20°C~60°C ; 65±20%RH
Storage environment -20°C~45°
storage for a long time(>3 months) and the storage condition shall be:<35°C;65±20%RH;3.7~3.9V
CycleLife (80% Prime Capacity) : >500times
Charging Attention Charging current and charging voltage should be less than specified in the Product Specification.
The charger shall be designed to comply with Specification.
It is dangerous that charging with higher current or voltage than Product Specification may cause damage to the cell electrical,mechanical safety performance.



1.Light: headlamp, emergency light, sloar flashlight, searchlight, lanten,bicycle light, LED light, military flashlight, high-end flashlight, high power flashlight, bright flashlight.

2.Outdoor sports products: camping light, mountain bike light, solor emergency light, self-defense flashlight,

3.Customer electronics: MPS, Tablet PC. laptop, Bluetooth earphone, power bank, portable DVD player, 

speaker, microphone, sound equipment, audio, Digital camera, vidican.

4.Home appliances products: electric mop, electric vacuum cleaner, electric children toys, electric shoes, electric blanket.

5.Medical devices

6.Instruments and meters: water meter, gas meter.

7.Electric transportation vehicles: electric bike, electric car, e-scooter, e-motor

8.Power tools: electric drill, mower




Why choose Pinsum?
(1) OEM services are welcome, welcome to visit our factory firstly before you place an order.
(2) High Quality Control with ISO9001, CE,ROHS,UL,MSDS approve.
(3) 15 years battery manufacture whose products export to 60 countries.
(4) Cooperate with many famous battery brand in the world.
(5) New product output every month with Best price and quality.
(6) Our mission is to help our customers achieve success, then fulfill our dreams.
Pinsum Export market:
our products are widely accepted in North America such as USA,Canada; European countries such as UK, Germany, France, Netherlands, Greece, Russia, Sweden, Ireland, Swiss, Austria, Luxembourg, Belgium, Italy, Spain, etc.

Pinsum main products:


1.Rechargeable battery:Lithium battery,Lifep04 battery,Li-ploymer battery,Ni-MH battery.


2.Power bank:solar power bank,Li polymer power ank,18650 battery power bank.


3.Car Jumper starter.


4.Self Balance Scooter.


Contact Details
ShenZhen Pinsum Tech Co.,Ltd

Contact Person: Ms. Jenny

Tel: 86-755-36327010

Send your inquiry directly to us (0 / 3000)