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Polymer Lithium-Ion Battery 3.7V 25 Ah

Polymer Lithium-Ion Battery 3.7V 25000mAh

Polymer Lithium-Ion Battery 3.7V 25 Ah (75212223)


Untitled Document

Features:

  • Tenergy Unique High-Capacity Li-Po Single Cell
  • High operating voltage
  • Energy density is high,volumetric energy density of 350Wh/L and gravimetric energy density of 135Wh/kg.
  • No memory effect
  • Self-discharge is less than 10% per month
  • Charge/discharge cycle characteristics are excellent
  • Safety characteristics are excellent
  • The battery has a wide discharging temperature range of -20 °C to +60 °C
  • The capacity in amp-hours is guaranteed, and will be exceeded most of the time.

Item

Spec

Note

Model

75212223/25000mAh

Charge
Voltage

4.2V

End-of-charge voltage

4.2V

CC\CV

Nominal
Voltage

3.7V

Cell Voltage between 3.6V ~3.9V before shipping

Nominal
Capacity

≥25000mAh@ 0.2C Discharge

Nominal Capacity refers to the capacity of
0.2C discharge with 2.75V cut-off voltage, after charging with standard method.

Cycle Life

≥ 300 Times

One cycle refer to one charge period and Then one discharge period.
Test condition:
Charge: 0.2C to 4.2V Discharge: 0.2C to 2.75V
The cycle life is the cycle times when
the discharge capacity is about 80% of the rated capacity.

Self-discharge

Residual Capacity>90%

After standard charging, storied at
25°C±0.5°C for 30 days, then measure the capacity as item 4.

Impedance

Typical:10mΩ
Max: 15mΩ

After standard charging, measure th internal resistance with AC1KHz

Max. Charge
Current

1.0C

Max. Discharge Current

1.0C

Discharge Cut-off Voltage

2.75V

Operating
Temperature

Discharge:-10℃~ +60℃
Charge: 0 ℃~ +45℃

Cells must be storied at 3.6V-3.9V. During long period storage, cells should be maintained every 90 days. The method is to do a charge-discharge cycle with standard method, then charge to
3.7—3.9V.

Storage
Temperature

-20 ℃~+45℃

Cell Weight

Approx 0.65Kg

Cell
Dimension

Length：223mm Max Width：212mm Max Thickness：7.5mm Max

Measured with weighting 300gf at
25℃ 0.5℃ Not including Tabs

Cautions

  • Use special caution when working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mishandled.
  • Make sure user has enough knowledge on Li-Ion rechargeable batteries in charging, discharging and assembly before use.
  • We are not responsible for any damage caused by misuse or mishandling of these Polymer Li-Ion batteries

3.7V 25000mAh (75212223): Datasheet

Price: $119.99
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