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Li-ion battery 18650 3.7V 4400mAh for flashlight

Li-ion battery 18650 3.7V 4400mAh for flashlight

Place of Origin : China
Brand Name : PINSUM
Certification : UL,CE,ROHS, UN38.3
Model Number : 18650 4400mAh 3.7V
MOQ : 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
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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 voltage3.7v
Nominal capacity4400mah
Main characteristicsHigh 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 environmentCharging, 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 AttentionCharging 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.

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