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3.7v Li-polymer Battery Cell With 2500mah 5V 7.4V 11.1V 12V 14.8V 505573 for Credit Card Power Bank
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Product: Views:1713.7v Li-polymer Battery Cell With 2500mah 5V 7.4V 11.1V 12V 14.8V 505573 for Credit Card Power Bank 
Unit price: Negotiable
Delivery date: Since the payment date Days delivery
Valid until: Long-term effective
Last updated: 2017-11-02 01:39

Specifications for Polymer battery:

Battery Model No.

505573  Lithium polymer battery 3.7V with 2500mah

Nominal Voltage(V)


Nominal Capacity(mAh)

2500mAh @0.2C discharge


T 5.0MM* W55MM*73MM

Internal Resistance


Standard Charging Method

0.2C CC(constant current) charge to 4.2V, then CV (constant voltage 4.2V) charge till charge current decline to 0.01C.

Standard Charging Time

8 hours (Ref.)

Charge Temperature


Max. Current



0.2Cmin Max.



0.5Cmin Max.



0.5Cmin Max.


Discharge Temperature


Max. Cureent



0.2Cmin continuous



0.5Cmin continuous



*high energy density
*Safety and reliable(with PCM)
*Long cycle life
*No memory
*Never explosion,stable performance.environment friendly
*Capacity and size could be customized

Ending voltage(discharge)

3.0 V

Advantages for Li-polymer battery:

1, High energy density

2, High capacity

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 for Polymer battery 2500mah:

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

7, The battery module is wrap by PVC

Li-polymer battery 3.7v Real Pictures Show:

3.7v polymer battery Factory and Workshop:

Packing for Lithium polymer battery 3.7V with 2500mah:

1.Neutral packing;

2.AMEEC packing;

3.OEM packing.

Shipping for Li-polymer battery:

Our aim is to recommend the safe way and save money for you.

1.Sample order: Suggest ways include DHL, UPS, FEDEX, TNT,ARAMEX,etc;

2.Quantity order: Shipping by sea can save much cost.

Payment Terms:

1.Small quantity: We suggest you can pay via Paypal, Western Union;

2.Quantity order: It’s better to pay via HSBC bank, save bank charge for you.


Q1: How long  is warranty for items?

A:1 year.

Q2: Could you print LOGO for items?

A: Sure, I can help you print LOGO as your request.

Q3: Can I get the sample to check before placing large quantity?

A: Sure, sample is available.

Q4: How to order?

A: Contact our sales team, tell us the Items model and quantity you order. We will quote you best offer.

Q5: How can I send  inquiry ?

A: You can inquiry online or send email in our website: www.ameecbattery.com.

Q6: How about the delivery time?

A: Sample order: 1-3 working days after receiving full payment; Quantity order: 7-15 working days.

Q7: Do you accept OEM and ODM order?

A: Yes.

Contact us:

Ameec Shenzhen Techonology Co.,Ltd

Add: Room 510,Wisdom Valley, Zhongnuo Industrial Park, NO 1010,Bulong Road, Longhua New District, Shenzhen, Guangdong Province, China

Web: www.ameecbattery.com

WhatsApp/Wechat: +86-182 1944 0331

Tel: +86 755 23707566

TAX NO: 440300060297846

Skype: cassie18219440331@163.com

QQ: 664291013