2S2P18650 7.4V 4400Mah Lithium Rechargeable li-ion Battery Packs

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  • 1000 - 9999 Pieces
    US $7.10
  • >=10000 Pieces
    US $7.00
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Overview
Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Hongshanjie
Model Number:
18650-A
Type:
Li-Ion
Nominal Voltage:
6V
Size:
AAA
Nominal Capacity:
4400Mah
Max. constant charging current:
1C
Certificate:
UN38.3/MSDS
Internal resistance:
<180mΩ
Standard charging current:
0.2C
SIZE:
can be customized
Sample:
available
Application:
E-bike, motors pump
SupplyAbility
SupplyAbility:
5000 Piece/Pieces per Day
Packaging & Delivery
Packaging Details
Hanging window color box with inner tray
Port
Shenzhen
Lead Time :
20-30 days
 
Product Description

Item

Specification

Name

7.4V 4.4Ah Li-ion Battery Pack 4400mah

Nominal Capacity

4.4Ah 

Charging Voltage

8.4±0.15V

Nominal Voltage

7.4V

Charging Method

CC-CV (constant voltage with limited current)

Max. Discharge Current

4A  (ambient temperature 25°C)

Discharge Cut-off Voltage

5.0V

Cell Weight

46g  

Cell Dimension

Height: 65.00mm max. Diameter: 18.25 mm max.

Operating Temperature

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


 

Lithium-ion polymer battery advantages:

1. All kinds of size, type and capacity to choose from, the applicability is strong, can be made according to request of customer. According to the different requirements for various combination. Excellent quality, low price.

2. Warranty: adopt A batteries, high capacity, low internal resistance, voltage stability. Cycle

3. Stable performance, long service life.

4. No memory effect, can charge and discharge at any time.

5. High safety: built-in protection board, had overcharge protection, to ensure the safety of batteries used.

6. Green environmental protection: do not contain mercury, cadmium, lead and other harmful substances, comply with ROHS, SGS, CE, UL and other certification, suitable for the European and American market demand.

Rechargeable7.4V 4400mAh Li-Po Battery 18650 Made In China Alibaba Product Parameter :

Discharge cut-off voltage: 2.75 V

Maximum charge voltage: 4.2 V

Standard charging current: 0.2 C

Standard discharge current: 0.2 C

Fast charging current: 1.0 C

Quick discharge current: 1.0 C

Charging temperature: 0 ~ 45 °C

Discharge temperature: - 20 ~ 45 °C

Storage temperature: - 20 ~ 45 °C

Main applications:

 1.Portable electronic devices.2.Bluetooth headset.3.Digital camera.4.MP4 player.5.Cellular phone,Digital phone,mobile phone.6.PDA.7.DMB.8.DVD,portable DVD.9.MID.10.Digital camcorder,Digital camera.11.Electronic cigarette.12. computer.13.Electronic pen.14.E-book.15.Flashlight.16.GPS

Product Pictures

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Certifications

2 

Contact Us

CONTACT INFO:


Contact: Jolin Pang
Email: jolin.pang @hoomsam.com

Tel: 86 755 27863620-6021
QQ: 755528116

Skype: jolinpm @hotmail.com
Website:
www.hoomsam.com

Packing&Shipping

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Company Information

Company Information

Shenzhen Hongshanjie Technology Co., Ltd. founded in October, 2012, located in Bao'an District, Shenzhen, China, with nearly 5000 square meters and 100 employees, is an industry and trade integration company who specializes in electronic products.
Power bank is main product of Hoomsam. Being specialized in this area for many years, we have lots of experience. What worth mentioning is that, with 3 electronic engineers,1 ID engineer ,1 Structure engineer, 1 mechanical engineer, 1 process engineer and 1 project engineer, we can take both OEM&ODM orders and meet different requirements of national and international customers.
Our company has been servicing customers from different countries, and we have applied all kinds of certificates like
CE, RoHS, FCC, UL, etc. Good quality is what we’ve always been pursuing, and so does the service. We respect integrity, objectivity, innovation, and philosophy of dedication. We advocate teamwork, service and pursue excellence in work style. Our team is dedicated to meeting customers’ various requirements and solving every problem that might occur. Till now, we have kept a very good reputation with no complaint among customers.
Not only care about the products and service, our company also concerns about social problems and environmental problems. We have BSCI and ISO certification, we believe we can power the word someday, even we are not strong enough now, but someday we will.
With production capacity about 5000pcs/day and unremitting efforts of the whole company, we have become supplier of many famous brands at home and abroad. Due to our hard working and serious attitude, we have not only earned good reputation in China but also earned respects overseas.
We take every customer as our god and cherish every chance of communication. You are much more than customers for us, but our partners and friends. We are looking forward to your valuable suggestions.

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Our Services

 Why Choose Us:
1. Long-term cooperation strategy for trustable business; 
2. Professional manufacturer and supplier for 5 years; 
3. Strict quality control for stable quality; 
5. Prompt delivery: 7-10 days, suitable for urgent sourcing; 
6. Great experience for OEM/ODM orders; 
7. 12 months guarantee, After-sale service