18650 in Series

18650 3.7v 4000mah 2pieces in Series for 3.7v 4000mah Lithium ion Battery Pack 1S2P with Li ion 18650 cells with ROHS, MSDS, UL, CE BIS ,KC approved, the following is the battery cell 3.7v , if you need other capacity cells or battery pack please contact with us . 18650 Li-ion Battery...

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Product Details

18650  3.7v 4000mah 2pieces in Series for 3.7v 4000mah Lithium ion Battery Pack 1S2P  with Li ion 18650 cells with ROHS, MSDS, UL, CE BIS ,KC approved,the following is the battery cell 3.7v , if you need other capacity cells  or battery pack please contact with us .

 

18650 Li-ion Battery  Specification:


Product Name

3.7v 4000mah Lithium ion    Battery Pack

Battery Model

3.7V 4000mAh 18650 Lithium ion battery

Nominal Capacity

4000mah

Nominal Voltage

3.7V

Battery Size

36*65mm

Charging Method

CC-CV (constant voltage with limited current)

Charging Current

0.5C

Max. Discharge Current

1C

Operating Temperature

Charge: 0 to 45 °C 


Discharge:-20 to 60°C


Safety Performance  with PCB


Item

Test name

Result

1

Over charge

No fire,no explosion

2

Over discharge

No fire,no explosion

3

Short Circuit

No fire,no explosion

4

Drop

No fire,no explosion,no leakage

5

Hot oven

No fire,no explosion

6

Crush

No fire,no explosion

7

Needle puncture

No fire,no explosion


3.7V Li-ion Battery  Feature & Advantage

1.Safety: safest Li-Ion battery, CE ROSH approved, built in  PCM/PCB, none fire or explosive
2. Clean and Green energy, no toxic material  contained
3. Powerful battery
4. Long life cycle, 80% capacity remain after  500 times deep cycle. 
5. No memory effect,highly efficient charge  anytime, no reduction of capacity
6. Operation temperature: -20~70°C
7.Small size, light weight: 
8. Good performance at high temperature and  high temperature resistance
9. Low self-discharge rate: < 3% monthly


18650 Li-ion Battery Application
 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, electric motor
 8.Power tools: electric  drill, mower
 9.UPS, GPS



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Safety Precaution 

1.Do not throw battery into water or make it wet

2.Keep the battery away from heat source(like fire or heater)

3.Do not throw the battery into fire or heat the battery

4.Forbid to hammer to trample the battery

5.Forbid disassembling the battery in anyway

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