Lenovo Cleaner E2 Pro, User Manual, Page: 22 / 28

Routine Maintenance
(Recommended cleaning frequency: monthly)
Clean the signal transmission zone
·The machine is equipped with a high-performance rechargeable
lithium battery pack. To maintain battery performance, keep the
machine in charging state in daily use.
·If you do not use the machine for a long time, power it off and
store it properly. Charge the machine at least once every 3 months
to avoid damage to the battery due to excessive discharge.
Battery
Start the mobile app, and enter the firmware upgrade page. After
the new firmware is detected, follow the instructions to upgrade the
firmware. To upgrade the firmware, the power must be equal to or
greater than 50%. It is recommended that you place the
machine on the docking station for upgrade.
Upgrade the firmware
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