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3.7V 606090 4000mAh Lithium Polymer Battery For Power Bank

3.7v 606090 4000mah lithium polymer battery for power bank Personalized lipo battery customization Cell thickness:2-9mm Cell width:10-60mm Cell length:15-150mm Above

3.7v 606090 4000mah lithium polymer battery for power bank

Personalized lipo battery customization

Cell thickness:2-9mm

Cell width:10-60mm

Cell length:15-150mm

Above the range can be produced according to your requirement



606090 3.7V 4000mAH



Normal Voltage


Normal Capacity


Full Charged Voltage


Discharge Cut-off Voltage


Charging Method

CC-CV (constant voltage with limited current)

Charging Current

Standard charge:0.2C, Rapid charge: 1C


H x W x L: (60mm x 60mm x 90mm)

Operating Temperature

Charge: 0 to 45 C Discharge:-20 to 60C

Detailed Images

Pictures for reference only, through different configuration of series/parallel connect, we 

can offer ideal voltage and capacity and size of Lithium battery pack you need. Scroll down 

the page and contact us for more details


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 poly switch 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


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


1. GPS, MP3, MP4, PDA, PMC, PMP, PSP, portable pc, laptop, tablet pc;

2. Lights, model aircraft, miner's lamp, safety helmets, safety headlights;

3. Bluetooth headsets, e-books, mobile DVD, mobile TV, mobile scales,

positioning devices, inter-phone, storing power, family power storing station;

Trade terms: 

1) EXW,FOB,CIF price

2) Shipment: Ups/DHL/Fedex usually takes 4-8 working days to your country.

3) Packing:Using blister or as your requirement


Battery knowledge

●What is mAh rating mean?

Answer:If you are comparing batteries to a AA with a 2000mAh rating ,it will have twice

capacity of a 1000mAh rating .

What is application for NI-MH battery?

Answer:Any appliance need high energy consumption.Such as Baby toys ,video devices ,

calculator,Camera,microphone, remote controls etc.

Why should I use higher rated mAh battery in my electronic devices ?

Answer:Because higher rated mAh will give you longer run times between recharges ,but no

bad effect on your electronic devices .

Knowledge of battery  

Answer:Do not use different capacity batteries together  ,do not use battery with different

chemical material together ,do not expose battery to heat frequently.

When I receive batteries what should I do first?

Answer:You had better to use it first ,because it has 60% power .

Specializing in researching, developing and manufacturing quality and creative 3.7v 606090 4000mah lithium polymer battery for power bank, it is acknowledged as one of the most professional 3.7v 606090 4000mah lithium polymer battery for power bank manufacturers and suppliers. We also have productive factory and a group of excellent personnel at your service.

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