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Kokam has fully-equipped testing laboratories in factory that can perform the lithium battery safety tests and verification of compliance now required by UL1642, UL2054 and SBA G1101 as below;Comparison of Ni-cd, Ni-MH with Kokam battery
Description Contents UL criteria (UL1642/UL2054) Kokam criteria
Impact test spec
1. Diameter of bar :5/8inch (15.8mm)
2. Weight : 20 lbs (9.1kg)
3. Height : 24¡¾1 inch (610¡¾25mm)
¡ç same
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
¡ç same
Cell status Full charge (4.2V) ¡ç same
Criteria
No explosion, No fire ¡ç same
Nail penetration
test

spec Nail diameter : 5mm ¡ç same
Method Penetrate completely on the center of cell with 5mm dia. nail.
(Penetrated side is longitudinal and wide axis.)
¡ç same
Cell status Full Charge(4.2V) ¡ç same
Criteria No explosion, No fire ¡ç same
Heating test spec Raise at a rate of 5 ¡¾ 2¡ÆC per minute to 150 ¡ÆC ¡ç same
Method 1. Raise at a rate of 5 ¡¾ 2 ¡ÆC per minute to 150 ¡ÆC
2. Stand for 10minutes at 150 ¡ÆC
¡ç same
Cell status Full Charge(4.2V) ¡ç same
Criteria No explosion, No fire ¡ç same
Crush test spec 1. Hydraulic ram: 1.25inch(32mm) ? Diameter of piston
2. Pressure: 2500psig (17.2MPa)
3. Force: 3000 pounds (13kN)
¡ç same
Method Crush with force of 13kN.
(Crushed side is longitudinal and narrow axis.)
¡ç same
Cell status Full Charge(4.2V) ¡ç same
spec No explosion, No fire ¡ç same
Over charge test spec 12V/1C Spec.
SBA G1101
¡ç same
Method Charge for 2.5hrs at 12V/1C ¡ç same
Cell status Full Charge(4.2V) ¡ç same
Criteria No explosion, No fire ¡ç same