Battery Type:Ni-MH / Voltage:14.4V / Capacity:3800mAh. Package comes with 1*Roomba replacement battery

High quality, high capacity battery for longer running time(2-3hours).convenient to use

Brand New Replacement Product, Works as Genuine Parts.Easy to charge and connect APS battery compatible with all Roomba models.

Safeguard features against incorrect voltage, short circuit, internal overheating.

All DTK products come with a 30-day money back and a 12-month limited seller's guarantee against manufacturer defects from date of purchase, and 24 hours' friendly customer service!