iRobot Roomba i1 Owner's Manual page 5

This symbol on the battery indicates that the battery must not be
disposed of with unsorted common municipal waste. As the end-
user, it is your responsibility to dispose of the end-of-life battery in
your appliance in an environmentally sensitive manner as follows:
(1) returning it to the distributor/dealer from whom you
EN
purchased the product; or
(2) depositing it in a designated collection point
The separate collection and recycling of end-of-life batteries at
the time of disposal will help to conserve natural resources and
to ensure that it is recycled in a manner that protects human
health and the environment. For more information, please contact
your local recycling office or the dealer from whom you originally
purchased the product. Failure to properly dispose of end-of-
life batteries may result in the negative potential effects on the
environment and human health due to the substances in the
batteries and accumulators.
17070:
NOMINAL ELECTRICAL CHARACTERISTICS
Input voltage: 100–240V
Output voltage: 21–22.5 VDC
ADE-N1:
NOMINAL ELECTRICAL CHARACTERISTICS
Input voltage: 100–127V
Output voltage: 20.5 VDC
ADE-N2:
NOMINAL ELECTRICAL CHARACTERISTICS
Input voltage: 220–240V
Output voltage: 20.5 VDC
Input frequency: 50/60 Hz
Current output: 1.25 A
Input frequency: 50/60 Hz
Current output: 1.25 A
Input frequency: 50/60 Hz
Current output: 1.25 A