xsto CT420S, Operation Manual

Page: 39 / 58

35
prevent excessive vibration, shock or extrusion in transport process
and prevent the sun and rain.
(3) Maintenance
a) The battery pack should be stored in 40%
〜
60% charged capacity.
b) If battery pack is not used for a long period, it should be charging
completely and discharging completely one time for every three month
，
then charge the battery pack to about 50% capacity, use the specific
charger.
c) In the maintenance process, please do not disassemble the battery
pack, otherwise battery performance will decline.
d) Forbid to remove any cell in the battery pack. Unauthorized
dissembling of batteries is prohibited, and may invalidate your
warranty.
e) Problem handling
Symptom Trouble Reason Troubleshooting
Battery with no-
output
Battery output cable
is not connected.
Battery pack is out
of power
Connect the output
line properly in
accordance with the
specifications.
Charging the battery
pack
Charger power light
is off
Input charger plug
is not properly
Enter the charger
plug into the mains
supply plug according