user login

7.2V 250H Nickel Metal Hydride Rechargeable Battery of 280mAh

Place of Origin: Zhejiang

Company Profile

Location: Guangzhou, Guangdong, China (Mainland)
Business Type: Manufacturer
Main Products: Lithium Ion Cylindrical Battery, 3.2V LiFePO4 Battery, LiSOCl2 Battery

Product Detail

Model No.: 250H6A

Product Description

7.2V 250H Nickel Metal Hydride Rechargeable Battery of 280mAh

  1. Nominal Voltage is 7.2V and the rated capacity is 280mAh
  2. The max dimension: D:25.2mm±0.3mm, H:46.6mm±1mm

Model

Voltage

Capacity

Recommended

Trickle Charge Current

Nominal

Charge Current

Normal

Charging Time

Nominal

Discharge Current

Weight

250H6A

7.2V

280mAh

8.4~14mA

28mA

14~16h

56mA

70 g

 

Pictures:

 

 

  1. CELL AND TYPE
    1. Cell  : Sealed Ni-MH Button Cell
    2. Type  : Button type

 

  1. RATINGS
    1. Nominal voltage   :  7.2V
    2. Nominal capacity  :  280mAh
    3. Typical weight    :  70g
    4. Standard charge   :  28mA×14hours
    5. Rapid charge     :  56mA×6hours

Trickle current    :  8.4mA

  1. Discharge cut-off voltage: 6.0V
  2. Temperature range for operation (Humidity: Max.85%)

      Standard charge       0 ~ +45

      Rapid charge       +10 ~ +45

      Trickle charge        0 ~ +45

      Discharge          -10 ~ +45

3.8  Temperature range for storage    (Humidity: Max.85%)

     Within 2 years         -20 ~ +35

     Within 6 months        -20 ~ +45

     Within a month         -20 ~ +45

     Within a week          -20 ~ +55

 

  1. ASSEMBLY & DIMENSIONS

 Per attached drawing

 

  1. PERFORMANCE
    1. TEST CONDITIONS

The test is carried out with new batteries (within a month after delivery)

ambient conditions

    Temperature:  +25 ± 5

Humidity:     60 ± 20%

Note 1

    Standard charge     :  28mA×14hours

    Standard discharge   :  56mA to 6.0V

 

  1. TEST METHOD & PERFORMANCE

Test

Unit

Specification

Conditions

Remarks

Capacity

mAh

≥280

Standard

Charge/discharge

Up to 3 cycles

Are allowed

Open Circuit

Voltage (OCV)

Voltage

(V)

≥7.8

After 1 hour standard

Charge

 

Internal

Impedance

mΩ/cell

≤800

Upon fully charge

(1KHz)

 

High rate

Discharge (140 mA)

Minute

≥60

Standard charge

Before discharge

 

Discharge

Current

mA

140

Maximum continuous

Discharge current

 

Over charge

 

No leakage

Not explosion

8.4mA charge

one year

 

Charge

Retention

mAh

224

Standard charge;

Storage: 28 days;

Standard discharge

 

Cycle Life

Cycle

≥400

IEC/CEI61951-2:2001. 4.4

 

Leakage

 

No leakage nor

Deformation

Fully charge at 28mA,

Stand 14 days

 

Post Buying Request