Questions And Answers On Models Uc 18Yrl And Uc 18Yfl - Hitachi UC 18YRL Technical Data And Service Manual

7. QUESTIONS AND ANSWERS ON MODELS UC 18YRL AND UC 18YFL

Q1 What are typical charging methods?
A1 The most recent electronic charging methods are outlined below.
Method A
UC 18YRL
UC 18YFL
The Model UC 18YRL/UC 18YFL
automatically stops recharging
upon detection of the stop current
only when recharging a lithium-ion
battery.
Method C
UC 18YRL
UC 18YFL
The descending voltage ( ---
the battery in the final stage of
charging is detected, and charging
is automatically suspended.
---
Voltage
Stop current
detection
Current
Charging time
Charging time
) of
charging method
Method B
UC 14YFA
UC 24YFA
UC 24YFB
UC 24YC
UC 18YRL
UC 18YFL
Sudden temperature rise just
before full charging is detected and
charging is suspended (Ni-MH and
SUPER Ni-MH batteries)
dT/dt charging method
10
dT/dt
Charging time