|
Description |
Description |
Criteria description |
|
Impact test |
spec
|
1. Diameter of bar :5/8inch (15.8mm)
2. Weight : 20 lbs (9.1kg)
3. Height : 24¡À1 inch (610¡À25mm)
|
|
Method |
1. Place 7.9mm dia. Bar across the center of cell
(Impacted side is longitudinal /wide side)
2. Drop 9.1Kg weight from height of 61cm onto the cell
Full charge (4.2V)
|
|
Cell status |
No explosion, No fire
|
|
Criteria |
Nail diameter : 5mm
|
|
Nail penetration
test |
spec
|
Penetrate completely on the center of cell with 5mm dia. nail.
|
|
Method |
(Penetrated side is longitudinal and wide axis.)
Full Charge(4.2V) |
|
Cell status |
No explosion, No fire
|
|
Criteria |
Raise at a rate of 5 ¡À 2¡æ per minute to 150 ¡æ
|
|
Heating test |
spec
|
1. Raise at a rate of 5 ¡À 2¡æ per minute to 150 ¡æ
2. Stand for 10minutes at 150 ¡æ
|
|
Method |
Full Charge(4.2V)
|
|
Cell status |
No explosion, No fire
|
|
Criteria |
1. Hydraulic ram: 1.25inch(32mm) Diameter of piston
2. Pressure: 2500psig (17.2MPa)
3. Force: 3000 pounds (13kN)l
|
|
|
spec
|
Crush with force of 13kN.
|
|
Crush test |
Method |
(Crushed side is longitudinal and narrow axis.)
|
|
Cell status |
Full Charge(4.2V)
|
|
Over charge test |
spec |
No explosion, No fire
|
|
spec
|
12V/1C
|
|
Method |
Charge for 2.5hrs at 12V/1C
|
|
Cell status |
Full Charge(4.2V)
|
|
|
Criteria |
No explosion, No fire |
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