3.7v 3000mah lithium ion battery for sale
USD $1 - $3.8 /Piece
Min.Order:2000 Pieces
Shenzhen Delong Energy Technology Co., Ltd.
3.7v rechargeable 714370 3000mah lithium ion battery for tablet pc,power bank,GPS,PDA and other digital devices
Specification:
Nominal Voltage | 3.7V |
Nominal Capacity | 3000mAh |
Discharge cut-off voltage | 3.0V |
Standard charge | constant current:0.5C 5A;constant voltage:4.2V;0.01C 5A cut off |
Standard discharge | constant current:0.2C 5A;End voltage:3.0v |
Fast charge | constant current:1C 5A;constant voltage:4.2V |
Fast discharge | constant current:1C 5A;constant voltage:3.0V |
Max Continuous charge | 1C 5A |
Max Continuous discharge current | 1.5C 5A |
Operation Temperature range | charge:0-45°c;discharge:-20-60°c |
Storage Temperature range | less than one year:-20-25°c;less tha 3 months:-20-40°c |
Certificates | CE,ROHS,FCC,UL,MSDS,UN38.3 |
Products show:
Application:
*Portable electronic devices
*Bluetooth headset,mobile phone,mp3/mp4 player,GPS
*Electronic cigarette,E-book,DVD
*Tablet pc,PDA,mini speaker
*DVD,portable DVD
Main Features:
1)Low internal resistance,fast charger
2)Parameter of protection IC:over-charge protection voltage 4.20V±0.05V
3)Over-discharge protection voltage:2.7V±0.1V
4)Over-current protection:3.0±1.0A(2.7V-4.25V)
5)Temperature of discharge:-20--+60°c
6)High energy density
7)Long cyclelife
5)Environment friendly
6)No memory effect
7)Capacity,resistance,voltage,platform time consistency is good
8)High safety,over-charge,over-discharge,over-current,short circuit protection circuit
9)Low self-discharge
10)Light weight
11)1.2m drop testing passed
12)Thickness can be adjusted white the width and length keep the same
Cycle life test
Carry out 500cycle
Charging/Discharging in the below condition.
*Charge:Standard Charge, per 3.3.1
*Discharge:0.5 C5A to 3.0 V
*Rest Time between charge/discharge:30min.
*Temperature:20±5°C
Leakage Proof
After full charge with standard charge, store at 60±3°C, 60±10%RH for 1 month no leakage(visiual inspection)
Vibration Test
After standard charging, fixed the cell to vibration table and subjected to vibration cycling that the frequency is to be varied at the rate of 1Hz per minute between 10Hz an 55Hz, the excursion of the vibration is 1.6mm. The cell shall be vibrated for 30 minutes per axis of XYZ axes.
Drop Test
The cell is to be dropped from a height of 1 meter twice onto concrete ground
Certificates and prduction process:
About US:
1.Products line:Shenzhen Delong Energy Technology Co.,Ltd isa professional manufacture,specilized in power bank,li-polymer battery,Electronic scootor battery,heating clothing battery and other related products
2.OEM/ODM service:solution design,can produce different shape and capacity lithium polymer battery
3.Payment:30% deposit for volume production,and balance before delivery
4.Main markets:40% in domestic,60% in oversea markets
5.We are 100% confident that our quality,price and service will satisfy you
Precautions:
*Install the battery correctly
*Do not touch the battery poles and do not short circuit the battery
*Do not disassemble the battery
*Do not expose the battery to a temperature higher than 45°c and lower thank 0°c
*Do not place the battery in water
*Recharge the battery within the limiting voltage of 4.2v
*Do not discard the battery in a fire
*Use only the battery charger assigned by the factory