402030 403450 502030 250mAh 602030 300mAh 3.7V Li-ion Polymer Battery for Audio Player
403450 3.7V Polymer li-ion battery 680mAh
small ultra thin 3.7V 550mAh li-ion rechargeable lithium polymer battery
Specification:
| NO. | Item | Specifications |
| 1 | Nominal capacity | 680mAh 0.5C Discharge |
| 2 | Nominal voltage | 3.7V |
| 3 | Charge current | Standard Charge ：0.5C Rapid charge ：1.0C |
| 4 | Standard Charging method | 0.5C CC （ constant current ） charge to 4.2V,then CV(constant voltage 4.2V)charge till charge current decline to ≤0.01C |
| 5 | Charging time | Standard Charging Approx 3.5 hours Rapid charge Approx 2 .5hours |
| 6 | Max.charge current | Constant Current 1C Constant Voltage 4.2V 0.01 C cut-off |
| 7 | Max.discharge current | Constant current 2 C end voltage3.0V |
| 8 | Standard Discharge Current | Constant current 0.2C end voltage3.0V |
| 9 | Discharge cut-off voltage | 3.0V |
| 10 | Charge cut-off Voltage | 4.2V |
For li-polymer battery, we have below categories:
1, small battery: 301015-20mAh, 381018-35mAh, 451220-70mAh, 502030-250mAh,603030-500mAh etc;
2, Normal battery: from 300mAh to 5000mAh, we have over 500 types battery modules;
3, High capacity battery: from 5Ah to 20Ah single cell, laminated cell technology;
4, High discharge rate battery: such as 3C charge rate and 25C discharge rate battery.
Application:
Widely used for Telecommunications, Household Appliances or Personal Care Products, Apparatus and Meter, LED Optical Lighting, Dynamic Model or Toys, Digital Products, Security Equipments, and Power Tools or Electric Bicycle etc.
Advantages:
1) Environmental friendly
2) High density of energy
3) Light weight
4) Low self-discharge
5) Low internal resistance
6) Long cycle life, chargeable up to 500 or 1000 times
7) No memory effect
8) Doesn’t contain Mercury, No fire, No explosion, No leakage
9) Very good and quick charge, capability can be charged to 90% within 10 min.
10) Thickness can be adjusted while width and height keep the same
1 YEAR WARRANTY AFTER YOUR PURCHASING OUR BATTERY.
