How to Choose Your First Cordless Drill: A Beginner's Buying Guide
Everything a first-time buyer needs to know before spending money on a cordless drill — voltage, chuck size, battery platforms, and the specs that actually matter.

Affiliate disclosure: We may earn a commission on purchases made through links in this article, at no extra cost to you. Learn more.
Buying your first cordless drill is deceptively hard. Walk into any home center and you're staring at forty models across six brands, each promising more torque than the last. This guide cuts through the marketing and tells you what actually matters.
Voltage: what the numbers actually mean
Cordless drills are sold at 12V, 18V, and 20V-Max (which is marketing-speak for the same 18V nominal battery, just measured under no load). Higher voltage means more torque, but also more weight.
The three tiers
- 12V — Compact, light, great for cabinets and light assembly. Underpowered for deck screws.
- 18V / 20V-Max — The sweet spot. Handles 95% of DIY tasks without wearing your arm out.
- 36V+ — For professional framing or masonry. Overkill for a homeowner.
Battery platforms are a decade-long commitment
Here's what tool reviewers won't tell you plainly: the drill is almost a rounding error. The battery platform you pick today determines what you'll buy for the next ten years, because batteries don't cross-shop between brands.
Pros
- One battery type across dozens of tools (drill, saw, sander, weed trimmer, etc.)
- Batteries improve every 3-4 years and remain backward compatible
- Bigger platforms have better resale value
Cons
- Locked in — switching brands later means buying new batteries too
- Off-brand batteries are cheaper but usually worse and can void warranty
Comparing the three major DIY platforms
Wrapping up
Buy the platform, not the drill. Pick a major brand's 18V/20V-Max brushless kit with two batteries, and you're set for the next decade of DIY projects.
Frequently Asked Questions
Do I need an impact driver too, or is a drill enough?
Is a corded drill still worth buying?
How long should a cordless drill battery last per charge?
About the author
Jane DIY
— Senior Reviews EditorJane has been renovating houses for 12 years and writes tool reviews you can actually act on. She currently owns and uses every drill in our roundups and does not accept manufacturer samples she cannot return.