BENZO Energy technology Co.,Ltd !


China Best Lithium Cells Manufacturer Supply BZ 1244147 4000mAh 7.4V Lipo Battery For Medical Equipment

Availability: In stock

  • Buy 5000 for $1.20 each and save 20%

Quick Overview

FOB Price: US $1.2 - 1.5 / Ampere
Min.Order Quantity: 1000 Ampere/
Please contact us for the order !

4000mah 7.4V Lipo Battery

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  • 4000mah 7.4V Lipo Battery
  • 1244147 4000mah 7.4V Lipo Battery리
  • Lipo Battery
  • Lipo Battery For Medical Equipment
  • Battery For Medical Equipment


  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: BZ
  • Model Number: 1244147
  • Type: Li-Ion
  • Nominal Voltage: 7.4V
  • Size: 12*44*147mm
  • Nominal Capacity: 4000mAh
  • Product name: 1244147
  • Warranty: 1 Year
  • Weight: 152g
  • Cycle life: 500 Times
  • Capacity: 4000mah
  • Voltage: 7.4V
  • Application: for medical equipement
  • Certificate: CE/RoHS/UN38.3/MSDS
  • Payment: Paypal.TT.Escrow.Western Union


li-ion battery

 4000mah 7.4V Lipo Battery For Medical Equipment

4000mah 7.4V Lipo Battery For Medical Equipment

4000mah 7.4V Lipo Battery For Medical Equipment

4000mah 7.4V Lipo Battery For Medical Equipment

Product Parameters

No. Item General Parameter Remark
1 Rated Capacity Typical 4050mAh Standard discharge(0.2C C5A) after Standard charge
  Minimum 4000mAh  
2 Nominal Voltage 7.4V Mean Operation Voltage
3 Voltage at end of 6.0V Discharge Cut-off Voltage
4 Charging Voltage 8.4±0.03V  
5 Internal Impedance ≤50mΩ Internal resistance measured at AC 1KHZ after 50% charge
The measure must uses the new batteries that within one week after shipment and cycles no more than 5 times
6 Standard charge Constant Current 0.2C5A Charge time : Approx 6h
Constant Voltage 8.4V  
0.01 C5A cut-off  
7 Standard discharge Constant current 0.2 C5A  
end voltage 6.0V
8 Fast charge Constant Current 0.5C5A Charge time : Approx 2.5h
Constant Voltage 8.4V
0.01 C5A cut-off
9 Fast discharge Constant current 0.5C5A  
end voltage 6.0V  
10 Maximum Continuous Charge Current 1 C5A  
11 Maximum Continuous Discharge Current 1 C5A  
12 Operation Temperature Range Charge: 0~45 60±25%R.H.
Bare Cell
Discharge: -20~60  
13 Storage Temperature Range Less than 1 year: -20~25 60±25%R.H.
  at the shipment state
less than 3 months: -20~40℃  
14 Pack  Dimension


Width: max 4mm

Thickness: max123mm

Initial  Dimension



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1. Q: Where can I get the price?

A:,We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us 

or tell us in your email so that we'll regard your inquiry priority.


2.  Q:  Is OEM/ODM available?
A: Yes, it is. Please feel free to tell us your application and your basic battery requirements. Our R&D team will

provide a full solution to your with these factors taken into consideration: working temperature, dimension,

compound mode, power, capacity, peak current, PCM, fuse, motion control ICs, plug, etc.

3.  Q:  Can you provide samples?
A: Yes, we can. After discussion and designing with our sales and engineer, we encourage client to order samples

to test our battery quality first.


4.  Q: What kind of certificates could you provide for the battery?

A: It’s customized design, no current certificate, but we could apply CE, UL, KC,UN38.3 and other related

certificates for you, but the certificates fee needs to be paid by you, if your quantity is big enough, certificates

fee could be refunded.


5. Q: Shipping terms:

 1.Samples checking: sending by Express ( DHL / UPS / FEDEX/ TNT ,by air)

 2.Bulk production:sending out by cargo shipping / airfreight /Express(DHL/UPS/FedEx/TNT),or we can accept

other shipping terms according to your requirements.


6. Q: Can we visit your factory?
A: we aresincerely welcome you to visit our factory. Once we have your schedule, we will arrange the

professional sales team to follow up your case.


contact us

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