Question: what is the difference between oral b 1000 and 1500?
Answer: The Pro 1500 has 2 cleaning modes (Daily Clean and Sensitive) compared to the 1 cleaning mode of the Pro 1000 (Daily Clean). ... The Pro 1500 has a Lithium-Ion (Li-Ion) battery offers a 14 day life compared to the Pro 1000's Nickel Metal Hydride (NiMH) and 7 days. The Pro 1500 has a more powerful brush motor.