Powertool Centre is a hardware store at 146 Tahunanui Dr, listed under Tata Beach in the Tasman district, with a Google rating of 3.5. Tahunanui Dr is more usually associated with Nelson, so check the address before you travel. By its name, it specialises in power tools.
A good power tool shop helps you buy the right tool for the job, not just the most powerful. Tell staff what you plan to do and how often, since a drill, saw or sander for occasional home use differs from one for daily trade work, and ask about corded versus battery tools, battery platforms and spares. Check the warranty, what servicing and repairs are available and whether replacement blades, bits and batteries are in stock. Safety gear, such as eye and ear protection, gloves and dust masks, matters as much as the tool. Regulars stick to one battery brand so batteries can be shared, ask about trade discounts and read the manual before the first use.
For builders and home renovators in Nelson and the Tasman region, Powertool Centre on Tahunanui Drive is worth contacting about tools and servicing.