ROHS 422025 Lithium Polymer Battery 165mAh 3.7 Volt Li Poly Battery Pack

Basic Information
Place of Origin: CHINA
Brand Name: HB
Certification: ROHS
Model Number: 422123-215mAh
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

422025 Li Polymer Battery 165mAh 3.7 v li poly rechargeable battery pack
The size of battery is small, and it mainly used in MP3, MP4, watches, earphones,Small flashlight and some digital production, etc.


1. Size 

Item Description Dimension
T Battery pack Thickness max. 4.3mm
W Battery pack Width max. 20.5mm
H Battery pack Height max. 27mm
A Wire Length 35± 3mm
Pack Impedance  ≤ 200mΩ



2. Basic Performance

No. Item  Specification  Note 
2 Nominal Capacity  165 mAh 0.2C discharge 
3 Min. Capacity  150 mAh 0.2C discharge 
4 Cell Weight  ≈4.5g  
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 30mA (0.2C)  
12 Standard Charging Time 6~7 hours CC charge to 4.2 V, then CV charge till
13 Rapid Charging Current 150 mA (0.5C)  
14 Rapid Charging Time About 3.5hours  
15 Standard Discharging Current  30mA (0.2C)


CC discharge to 2.75 V 

16 Max. Discharging Current  150mA (1C)
17 Operating Temperature Range 

Charging:0 ~ 45℃

Discharging:-20 ~ 60℃

18 Operating humidity Range  ≤ 90%RH  


3.Pack List

No. Item Quantity Material Specification
1 422025 1 Li-ion polymer cell 165mAh
2 PCB 1

Fiber glass polymer compound

circuit board

Pass RoHS
3 Plug wire 1 Polythene and copper SUHR-02V-S-B UL3767 28#


4.PCB Parts List

No. Location  Part Name  Specification  Pack Type  Quantity 
1 U1 Battery protection IC DW01 SOT23-6 1
2 U2 Silicon MOSFET 8205A SOT23-6 1
3 R1 Resistor  100Ω±5% 0603 1
4 R2 Resistor  1KΩ±5% 0603 1
5 C1 Capacitor  0.1μF 0603 1
6 PCB Print circuit board  / / 1


5.Drawing of battery

ROHS 422025 Lithium Polymer Battery 165mAh 3.7 Volt Li Poly Battery Pack 0


6.Circuit Diagram

ROHS 422025 Lithium Polymer Battery 165mAh 3.7 Volt Li Poly Battery Pack 1