303442 Polymer Lithium Battery , 420mah 3.7v Infrared Thermometer Battery

Basic Information
Place of Origin:CHINA
Brand Name:HB
Model Number:303442 420mAh
Minimum Order Quantity:Contact sales to get
Price:Contact sales to get
Packaging Details:Contact sales to get
Delivery Time:Contact sales to get
Payment Terms:T/T
Supply Ability:Contact sales to get
Detail Information

Product Description

303442 Polymer Lithium Battery , 420mah 3.7v Infrared Thermometer Battery


TBattery pack Thickness max. 3.5mm
WBattery pack Width max.34mm
HBattery pack Height max.42.5mm
LWire Length18± 2mm
Pack Impedance ≤ 200mΩ
Battery Weight about8.6g 



2Nominal Capacity 420 mAh0.2C discharge 
3Min. Capacity 410 mAh0.2C discharge 
4Cell Weight ≈8.5g 
5Cell Initial Impedance ≤ 80mΩ3.7V AC 1KHz measured 
6Normal Voltage 3.7 V 
7Initial Voltage ≥3.8V 
8Limited Charge Voltage 4.2 VVoltage of CC charge to CV charge 



Standard Charging Method 

0.2C CC current charge to 4.2V, then CV charge till current declines to 0.01C 

10Cut-off Voltage 2.75 VLoad Voltage when discharge ended 
11Standard Charging Current84mA (0.2C) 
12Standard Charging Time6~7 hoursCC charge to 4.2 V, then CV charge till
13Rapid Charging Current210 mA (0.5C) 
14Rapid Charging Time约3.5hours 
15Standard Discharging Current84mA (0.2C)


CC discharge to 2.75 V 

16Max. Discharging Current 420mA (1C)
17Operating Temperature Range

Charging:0 ~ 45℃

Discharging:-20 ~ 60℃

18Operating humidity Range ≤ 90%RH 




Q1. Can I have a sample order?

A. Sure, we accept sample order to test and check quality.


Q2. What about the lead time?

A. Sample needs 10 days, mass production time needs 30-40days, it depends on order quantity.


Q3. Do you have any MOQ limit?

A. Yes, we have MOQ for mass production, MOQ is generally 1000PCS.


Q4. How do you ship the goods?

A. Airline and sea shipping is also optional.