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±1 inch (610±25mm)
← 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
← same
Cell status
Full charge (4.2V)
← same
Criteria
No explosion, No fire
← same
Nail penetration
test
spec
Nail diameter : 5mm
← same
Method
Penetrate completely on the center of cell with 5mm dia. nail.
(Penetrated side is longitudinal and wide axis.)
← same
Cell status
Full Charge(4.2V)
← same
Criteria
No explosion, No fire
← same
Heating test
spec
Raise at a rate of 5 ± 2°C per minute to 150 °C
← same
Method
1. Raise at a rate of 5 ± 2 °C per minute to 150 °C
2. Stand for 10minutes at 150 °C
