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

Basic Information
Place of Origin:CHINA
Brand Name:HB
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 

TBattery pack Thickness max.4.3mm
WBattery pack Width max.20.5mm
HBattery pack Height max.27mm
AWire Length35± 3mm
Pack Impedance ≤ 200mΩ



2. Basic Performance

No.Item Specification Note 
2Nominal Capacity 165 mAh0.2C discharge 
3Min. Capacity 150 mAh0.2C discharge 
4Cell Weight ≈4.5g 
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 Current30mA (0.2C) 
12Standard Charging Time6~7 hoursCC charge to 4.2 V, then CV charge till
13Rapid Charging Current150 mA (0.5C) 
14Rapid Charging TimeAbout 3.5hours 
15Standard Discharging Current 30mA (0.2C)


CC discharge to 2.75 V 

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

Charging:0 ~ 45℃

Discharging:-20 ~ 60℃

18Operating humidity Range ≤ 90%RH 


3.Pack List

14220251Li-ion polymer cell165mAh

Fiber glass polymer compound

circuit board

Pass RoHS
3Plug wire1Polythene and copperSUHR-02V-S-B UL3767 28#


4.PCB Parts List

No.Location Part Name Specification Pack Type Quantity 
1U1Battery protection ICDW01SOT23-61
2U2Silicon MOSFET8205ASOT23-61
3R1Resistor 100Ω±5%06031
4R2Resistor 1KΩ±5%06031
5C1Capacitor 0.1μF06031
6PCBPrint 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