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Specification Approval Sheet - page 5 / 11

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5 / 11

TENERGY

CO

4.6 Safety Test

No.

Item

1

Over-charge

Testing Conditions and Method

Charge

is

conducted

for

8

hours

while

the invariable voltage is 4.6V.

Standard

No deformation and leakage

2

Short-circuit

The charged battery f hrour at 100 m.

is

short-circuited

No explode or fire

Put box,

the battery into the heat the temperature is rising to 120±2

at

3

Heat shock

the rate of (5±2/min minutes.

and

maintain

for

10

No explode or fire

4

Humid and heat test

Put the charged battery into box for 48 hours, the temperature is 40±2and the relative humidity is 90%95% .

No smoke or explode

4.7 High and low temperature test

No

Item

Testing Conditions and Method

Standard

1

High

Temperature

Put the charged battery into the high temperature box for 2 hours at 55±2. And

discharge the battery at 0.5C current until the

voltage is 2.75V.

Discharge 90 percent o f t h e o r i g i n a l

capacity.

2

Low

Temperature

P u t t h e c h a r g e d b a t t e r y i n t o t h e l o w t e m p e r a t u r e b o x f o r 1 6 h o u r s 2 4 h o u r s a t D i s c h a r g e m o r e t h a n 45 percent of the original capacity. -10±2. And then discharge the battery at 0.1C until the voltage is 2.75V

4.8Electricity maintenance

No

Item

Testing Conditions and Method

Standard

1

Electricity

maintenance

Rest at

the charge the ambient

battery for temperature

28 of

days 25

±0.5 .

And then discharge the battery

until the voltage is ended.

Discharge more than 85 percent of the original capacity.

  • 5.

    Storage and others

    • 5.1

      Long Period Storage

If the cell has been stored for 3 month, it should be transfer to a dry and cool environment. Storage Voltage is between 3.6V and 3.9V and the storage conditions as Item 4.1.

5.2 Any matters that this specification does not cover should be conferred between the customer and Tenergy.

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