Skip to content

In-depth review

Wahl Lithium Ion Pro Rechargeable Cordless Hair Clippers Review (2027)

The Lithium Ion Pro offers up to 2 hours of cordless run time and twelve guards. Our research-based verdict for regular home cutting.

TGBy TrueGear Research TeamIndependent editorial teamLast updated How we researchResearch-based assessment · Hair Clippers
Specs verified against manufacturer docs
No paid placements
Independently funded by readers
Updated 2026-10-29
Wahl Lithium Ion Pro Rechargeable Cordless Hair Clippers Review (2027) featured graphic
Wahl Lithium Ion Pro Cordless Hair Clippers (79470)

Wahl Lithium Ion Pro Cordless Hair Clippers (79470)

The long runtime cordless Wahl for homes that cut hair often but not professionally.

Check priceAdd to cart

Our verdict

The Lithium Ion Pro is the easiest cordless clipper to live with at home. Up to 2 hours of run time means the battery is rarely the reason a cut stops, cord or cordless use provides a fallback, twelve guards plus ear tapers cover short and longer styles, and a smart charge light removes charging guesswork. It is not the lightest clipper once guards are fitted, and the taper lever can be knocked by an inexperienced hand, but for a household that cuts hair regularly, those are small notes against a very forgiving package.

What we like

  • Up to 2 hours of run time, so a charge covers several haircuts, not just one
  • Cord or cordless use means a flat battery does not end a cut if an outlet is nearby
  • Twelve snap on guards from 1/16 inch to 1 inch plus ear tapers cover short and longer tidy ups
  • A smart charge light removes guessing about when to plug it in

What to watch out for

  • The clipper is not as light as the box weight suggests once guards are added
  • The included detail trimmer in some kit versions feels secondary to the main clipper
  • The taper lever can be knocked mid cut by an inexperienced hand

What owners report: Wahl Lithium Ion Pro Cordless Hair Clippers (79470)

Synthesized from recurring themes in long-term owner feedback.

Most praised

  • The long battery life means the clipper is ready even after weeks in a drawer.
  • The smart charge light removes the guessing about when to plug it in.
  • The guard range covers short buzz cuts and longer tidy ups in one kit.

Common complaints

  • The clipper is not as light as the box weight suggests once guards are added.
  • The included detail trimmer in some kit versions feels secondary to the main clipper.
  • The taper lever can be knocked mid cut by an inexperienced hand.

Who it is for

Home users and families who cut hair regularly and want a cordless clipper that is ready, versatile and hard to get wrong.

Run time that removes planning

Most cordless anxiety comes from short run times: a 40 minute clipper must be charged before every cut, and a 60 minute clipper covers one cut with little margin. Up to 2 hours changes the habit entirely. Owner reports say the clipper is ready even after weeks in a drawer, which means cutting hair becomes a decision, not a charging project. For a family with several heads to cut, that readiness is the feature that matters most.

Guard range for real households

Twelve snap on guards from 1/16 inch to 1 inch, plus ear tapers, cover the range a household actually uses: short buzz cuts, medium tidy ups and longer styles that still need trimming. Ear tapers help around the ears, which is where home cuts most often look uneven. The guard range is why this clipper suits a household better than a pro model shipping with only three guides, even though the pro model may cut a single style better.

Weight and lever: the small print

Once guards are added, the clipper is not as light as the box weight suggests, which matters during longer cuts and self haircuts. The taper lever, useful for blending, can be knocked mid cut by an inexperienced hand, moving the length unintentionally. Both are manageable with awareness: check the lever position before starting a section, and treat the stated weight as a bare tool figure, not a working figure. The included detail trimmer in some kit versions feels secondary, so buyers should judge the purchase on the main clipper alone.

Key specifications

Power
Cord or cordless lithium ion
Run time
Up to 2 hours
Blades
Self-sharpening precision ground blades
Taper
Adjustable taper lever
Guards
12 snap on, 1/16 inch to 1 inch, plus ear tapers
Kit
22 pieces

Also consider

Research-based assessment. TrueGear has not hands-on tested this product; this evaluation synthesizes manufacturer specifications, retailer documentation, and published expert reviews.

Questions, answered

Is 2 hours of run time realistic?

Up to 2 hours is the maker figure, and real run time depends on hair thickness, guard length and cutting style. Even allowing for variation, it covers several routine haircuts, which is the practical point: this is not a clipper that must be charged before every single cut.

Can I use it plugged in if the battery is flat?

Yes, it is a cord or cordless model, so it can keep cutting on corded power while charging. That fallback is especially useful for a second haircut in the same session, where a cordless only clipper would need a recharge break.

Does it suit thick hair?

It suits thick hair for home cutting, with self-sharpening precision ground blades and an adjustable taper lever. For very thick hair cut professionally all day, a pro motor model such as the GoldFX or Senior is the stronger choice, but for household thick hair this clipper is well matched.

Every guide on Hair Clippers15 pages