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805080 pl805080 3.7v 4000mah battery rechargeable lithium polymer battery for

805080 pl805080 3.7v 4000mah battery rechargeable lithium polymer battery for

Brand Name : ACCX/OEM
Model Number : pl805080
Certification : UL/UN/CE/ROHS
Place of Origin : China
MOQ : 100PCS
Payment Terms : T/T or Paypal, Western Union
Supply Ability : 50000pcs/ day
Delivery Time : 5-30 DAYS
Nomnal Voltage : 3.7V
Nominal Capacity : 4000mAh
Size : 8*50*80mm
Battery with PCB size : 8*50*82mm
Charge Voltage : 4.2V
Cycle life : 500 times
Standard Charge Current : 0.2C/0.5C
Cut Off Voltage : 3V
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805080 pl805080 3.7v 4000mah battery rechargeable lithium polymer battery for power bank, mobile phone, GPS tracker


1Nominal Capacity4000mAh (0.2C Discharge)
2Nominal Voltage3.7V
3Charge voltage4.2V
4Dimensions≤ 8mm (T)* ≤50mm(W)* ≤80mm(L)
5End-of-charge Current0.02C
6Discharge cut-off voltage3.0V
7Standard Charging method0.2C/0.5C constant current charge to 8.4v, then constant voltage 8.4v charge till charge current decline to ≤0.02C
8Charge current

Standard charging: 0.2C/0.5C

Rapid charge: 1.0C

9Charging time

Standard charging: 5.0 hours (Ref.)

Rapid charge:1.0 hours (Ref.)

10Maximum Continuous Charge Current1.0C(4A)
11Maximum Continuous Discharge Current1.0C(4A)
12Operating Temperature RangeCharge: -20 ~ 45’ C
Discharge: – 20 ~ 60’ C
Temperature range for storageLess than 1 month-20 – +60’ C
Less than 3 month-20 – +40’ C
Less than 1 year0 - +25’ C
13Operating And Storage Humidity RangeLess than 75%RH
15Overcharge protection voltage4.30V
16Over discharge protection voltage2.7V
17Weight

  • rc car,rc helicopter
  • Toys, gifts, medical apparatus and instruments, usb electric heating products, calculator
  • Razor, electric tools, digital recorder
  • Massage, hairdressing, vacuum cleaner
  • Straight iron, electric fan, watches, led emergency lights
  • Digital products, electrical products, flashlight, scientific instruments
  • mp3,mp4 player,cordless phone
  • Intelligent lock ,DVD
  • Digital product







Contact Person: Cindy

Mobile Phone No. : + 86 18682165797 (same as wechat)

Skype ID: 2837702705@qq.com

QQ: 2837702705

Email: sales11@accx.cc or info@accx.cc





Contact Person: Cindy

Mobile Phone No. : + 86 18682165797 (same as wechat)

Skype ID: 2837702705@qq.com

QQ: 2837702705

Email: sales11@accx.cc or info@accx.cc


FAQ and Answers :


Q. Can you explain in detail how you match cells for a battery pack before you assembling the pack?


A: We will do the following things before assembling the pack:

a. Select capacity, same capacities cells for one pack

b. Measure the voltage, same voltage cells for one pack(difference is under 0.02v per cell)

c. Measure the inner resistance,same IR cells for one pack (difference is under 1m Ohm)

All above steps are very strict to make sure the pack performance is perfect.


Q:What&rsquos your advantage compared with other suppliers?


A: a. High quality batteries: Our batteries are in enough capacity, and lower in RI,

Before shipment, we will inspect the products and ensure the quality which are well approved by our clients.

b. Better service: We always offer what our clients need. Reply client&rsquos questions timely. Supply best projects solution for clients. We ship out the products on time&hellip


Q: What&rsquos you payment and delivery items?


A: Payment items: By T/T, 30% for deposit, and balance all before shipment. For small

amount, we also accept payment via PayPal.


Q: What company will be used for making the shipments? DHL? UPS or others?


A:Normally, we ship our battery via TNT,UPS and FedEx, DHL. We also have some special line of special countries like US, Africa, India, Korea, Japen, Malaysia and so on. Pls contact us for details.


Q:How long can I store it?


A: To ensure the long-term (more than a month) storage battery, you need to follow some simple rules: Transfer to battery-storage mode (3,8 V-3, 9V);

  • During storage, once a month, check the voltage with a voltmeter
  • If the voltage is different from 3,8 V-3,9V, recharge to the required performance; Store in a cool, dry place with a temperature of 5-20C
  • To maximize battery performance closely matched the factory, do not recommend storing batteries for over a year
  • We hope that these recommendations will help you to always be ready to work, even after a long break

Q:Do the operating lithium-polymer battery-zero temperatures?


A: In the battery, during the recoil energy, chemical reactions take place. When operating in sub-zero temperatures, the process is slowed down, the consequence is a decrease battery performance. When used in temperatures above zero, features restored to working values.


Q:How many cycles of the life of lithium-polymer batteries?


A:There is no single answer to this question is no. Battery lifetime depends on how well she enjoyed. We can not allow a full battery discharge, over-charge, and charge higher current than specified by the manufacturer. If you do not violate the manufacturer's recommendations and rules of operation, the number of cycles of charge discharge will be at least 300 over the life of the battery.



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