English 
Specifications for Polymer battery:
Battery Model No. | 906667 Lithium polymer battery 3.7V with 4000mah | ||
Nominal Voltage(V) | 3.7V | ||
Nominal Capacity(mAh) | 4000mAh @0.2C discharge | ||
Dimension(mm) | T 5.0MM* W55MM*73MM | ||
Internal Resistance | ≤50Ωm | ||
Standard Charging Method | 0.2C CC(constant current) charge to 4.2V, then CV (constant voltage 4.2V) charge till charge current decline to 0.01C. | ||
Standard Charging Time | 8 hours (Ref.) | ||
Charge Temperature | Temperature | Max. Current | Voltage |
0°C-15°C | 0.2Cmin Max. | 4.2V | |
15°C-45°C | 0.5Cmin Max. | 4.2V | |
45°C-60°C | 0.5Cmin Max. | 4.1V | |
Discharge Temperature | Temperature | Max. Cureent | Voltage |
-20°C-25°C | 0.2Cmin continuous | 3.0V | |
25°C-60°C | 0.5Cmin continuous | 3.0V | |
Advantage | *high energy density | ||
Ending voltage(discharge) | 3.0 V | ||
Advantages for Li-polymer battery:
1, High energy density
2, High capacity
3, Pollution-free
4, Long cycle life
5, No memory effect
6, Capacity, resistance, Voltage, platform time consistency is good
7, With short-circuit production function, safe and reliable
8, Factory price& High quality
9, Good consistency, low self discharge
10, Light weight, small size
Features for Polymer battery 2500mah:
1, Longer storage life than NiMH Batteries
2, Light weight and higher energy density than any rechargeable battery
3, Installed IC chip will prevent the battery pack from over charge and over discharge.
It helps protect battery chemistry integrity and prolongs battery life.
4, Installed poly switch will cut off power if battery discharge current more than 6.6Ah
5, Perfect for building up battery pack for medical equipment Back-up or EPS Emergency Power
6, Supply which requires compact size and lighter weight
7, The battery module is wrap by PVC
Li-polymer battery 3.7v Real Pictures Show:
Nicholas Lee
WhatsApp/Wechat: +86 13823727650
Tel: +86 13823727650
Skype: lee394948
QQ: 394948557