Battery Notice

NOTICE
This unit is equipped with a Lithium-Ion battery pack,
however it may not power-on due to battery discharge
as a result of storage.
In case of the above situation, connect the unit to the
MR550’s power adapter and recharge unit for at least 16
hours to fully charge the battery.
The MR550 can operate normally for about 6 hours
(without backlight) and can backup data for 7 days
without external power.
MR550 User’s Manual