Roborock E2 - Manual (Page 10)

Battery and Charging
Please keep the dock charger away from heat (such as heating plates)
The battery must be removed from the appliance before it is scrapped
Do not wipe or clean the chargers shrapnel with a piece of wet cloth or wet hands
Please make sure the cleaner is powered off in shipment and original packaging is advised
If left unused for a long period, please store the cleaner in a cool and dry place after having it fully charged and
switched off, charge it at least every three months to avoid the battery being over discharged
Please do not use the product when the temperature is higher than 40℃ or lower than 4℃, or there is any
liquid or sticky substance on the floor
The battery is to be disposed of safely.Please do not discard waste batteries. Leave them to a professional recycling
organization
The appliance must be disconnected from the supply mains when removing the battery
8
Battery pack charging temperature
Battery pack using temperature
4℃~40℃ @Max Charging Current:0.5C
4℃~40℃ @Max Discharge Current:0.5C
Battery pack storage
temperature
Storage(1month)
-20℃~60℃
@Less than 70% RH
If the battery pack store at 25℃over the 3
months period, it should be recharged.
Long Storage(3months)
-20℃~45℃
@Less than 70% RH
Long Storage(1year) -20℃~20℃
@Less than 70% RH