As for the deterioration diagnosis of the battery, BEST device is very effective !
HS400_12.pdf
3) Facilities replacement is nesseary
2) Example : beyond the life period (Continuation use is possible)
HS200_52.pdf
DIagnosis technology
Outline of the device
Safety of the device
Internal resistance
VRLA battery
CS battery
HS battery
Nickel cadmium batt
Measurement method
TOP
1) Diagnosis results