SPS 사이트입니다.


SPS 메인메뉴입니다

  • About US
  • Products
  • Technology
  • Contact US

왼쪽메뉴입니다


Reliability test
Home > Development/Quality > SPS Reliability test

Battery Safety Test

Product Line up/Specification
TEST TITLE PARAMETERS CRITERIA VIDEO
Altitude Simulation Pressure corresponding to altitude of 50k feet for 6hours @RT No gassing, leakage or distortion
Temperature Cycling Temperature cycling from 70℃ to -40℃ per UL criteria No fire, explosion, venting or leaking
Vibration 10~55Hz @.06” displacement
(1~10G)95minutes per each of 3 axis
No mechanical/electrical defects
OCV drop < 15mV/cell
Short Circuit-1 External Short @RT Tmax < 150’C @case surface.
No fire/explosion
-
Tmax < 150’C @case surface. Tmax < 150’C @case surface.
No fire/explosion
-
Short Circuit-2 External Short @RT with no pack safety
protection(bypass)
No fire/explosion
Overcharge 2C@RT for 24hours No fire or explosion, Charge FET should trip  
Forced Discharge Discharge one cell in a pack’s string of cells. Discharge pack at maximum current that will not activate safety device through 0.05 ohm max R. No fire or explosion -
Deep Discharge Discharge at 1C @RT to 0.0Volts No fire/explosion
Discharge FET should trip @ specified voltage
-
Limited Power Source Discharge at current which is initially > 8 < 8.5A No fire/explosion,
Max current 8A @ 60sec,
Max pwr=5 X OCV@60sec.
-
Mold Stress Store packs for 7hours @70’C No distortion to plastic, No leakage -
Drop Impact 1 meter onto concrete. 3 drops in weakest direction or once on each axis. No electrical/mechanical defects. No cells or safety devices shall be exposed, OCV drop < 15mV/cell -
Projectile Expose to direct flame No protrusion of cells or part of exploding cells through screen
Heating Heat to 130℃, at 5℃/min., hold at 130℃ for 10 min. No fire or explosion
250N Crush Crush between parallel plates of Maple at 250N for 60 sec No leakage or cracking
Abusive Charge Charge at 10 X C Rate until cell or battery explodes, vents or temperature reaches steady state. No fire or explosion -
Abnormal Charge Charge at 3C for 48 hours Current limiting device limits current to C rate maximum. No fire or explosion -
Rated Capacity 0.2C charge to 4.2V/cell for 8 hours @RT,
0.2C discharge to 3.0V/cell @RT,
Rest time 30min, Repeat 5cycles
Typical Capacity = Mean Capacity
Minimum Capacity
= Mean Capacity - 3σ
-
Cycle Life 0.8C(2.5A Max) charge to 4.2V/cell for 2 hours @RT,
1C(2.5A Max) discharge to 3.0V/cell @RT,
Rest time 30min, Repeat 150cycles
Minimum Cycles to 80% Capacity
≥ 150
-


Adapter Safefy Test

Product Line up/Specification
TEST TITLE PARAMETERS CRITERIA VIDEO
Function Test Load regulation, Inrush Current, Output Ripple, Output Dynamic Response, Output Rise Time, Output Voltage Profile Base on Specification
Protection Test Input under/over voltage protection, Output over voltage protection, Over current protection, Over temperature protection, Output Short circuit protection Base on Specification
Environment Test Efficiency test, RoHS verification CEC IV, V and VEEE, EN50419
Safety Test Hi-Pot test, Leakage current test, Thermal test, Drop test, Vibration test meet IEC60950-1 D.1. and UL60950
Reliability Test Component De-rating, Capacitor Life time, MTBF 25,000hrs operating time, 3 years guaranty -
EMC Test EMI test : over 3dB margin, ESD test : 4KV contact, 8KV air CISPR22, EN55022 Class B and IEC61000-4-2
Cable Bending Test 30 times/min, +/- 75 degree, 200g load condition No discontinuity after 2000 cycles of 75 degree bending -

SPS 주소 부분 입니다