xsto DC Series Operation Manual page 49

（2） Transportation
The battery pack and charger should be packaged for transport,
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
Battery
no-output
Charger power light
is off
Battery pack can not
be charged
Trouble Reason
with Battery output cable
is not connected.
Battery pack is out
of power
Input charger plug is
not
inserted
Charger
plug loose；
Battery pack is fully
Troubleshooting
Connect the output
line
accordance with the
specifications.
Charging the battery
pack
Enter
properly plug into the mains
supply plug according
to
manual
output Check
output
battery plug is firm or
45
properly
the charger
the operation
the charger
plug and
in