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

Basic Information
Place of Origin: CHINA
Brand Name: HB
Certification: ROHS、CB、BIS、UN38.3
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


Item Description Dimension
T Battery pack Thickness max.  3.5mm
W Battery pack Width max. 34mm
H Battery pack Height max. 42.5mm
L Wire Length 18± 2mm
Pack Impedance  ≤ 200mΩ
Battery Weight  about8.6g 



No. Item Specification Note 
2 Nominal Capacity  420 mAh 0.2C discharge 
3 Min. Capacity  410 mAh 0.2C discharge 
4 Cell Weight  ≈8.5g  
5 Cell Initial Impedance  ≤ 80mΩ 3.7V AC 1KHz measured 
6 Normal Voltage  3.7 V  
7 Initial Voltage  ≥3.8V  
8 Limited Charge Voltage  4.2 V Voltage 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 

10 Cut-off Voltage  2.75 V Load Voltage when discharge ended 
11 Standard Charging Current 84mA (0.2C)  
12 Standard Charging Time 6~7 hours CC charge to 4.2 V, then CV charge till
13 Rapid Charging Current 210 mA (0.5C)  
14 Rapid Charging Time 约3.5hours  
15 Standard Discharging Current 84mA (0.2C)


CC discharge to 2.75 V 

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

Charging:0 ~ 45℃

Discharging:-20 ~ 60℃

18 Operating 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.