Unleash a Roomba for 40% off with this iRobot Essential deal
The iRobot Roomba Essential Vac is an advanced robot vacuum system. Get it for $149 and save 40%, or $101.
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Hacklet 87 – Roomba Projects
First introduced in 2002, The iRobot ... Roomba’s power cell. Early Roombas were designed to use Nickle Metal Hydride (NiMH) batteries. The individual cells are built into a proprietary iRobot ...