Corded vs cordless angle grinder
Updated: October 2026
You have a socket on the garage wall, or a shelf of DeWalt packs from other jobs, and the amazon.co.uk grid mixes mains grinders with bodies that do not include a battery. This corded vs cordless angle grinder page sorts that choice inside the twelve listings in our [angle grinder comparison](/hub/tools/angle-grinder), captured on 20 October 2026. Corded tools in this set start at about £25.99 and keep cutting while the lead reaches. The only complete cordless kit includes a battery and a charger. The three cheaper cordless titles are bare bodies, and they are not DeWalt tools. There is no lab runtime test. A qualifying purchase can earn a commission at no extra cost to you.
You have a socket on the garage wall, or a shelf of DeWalt packs from other jobs, and the amazon.co.uk grid mixes mains grinders with bodies that do not include a battery.
You have a socket on the garage wall, or a shelf of DeWalt packs from other jobs, and the amazon.co.uk grid mixes mains grinders with bodies that do not include a battery. This corded vs cordless angle grinder page sorts that choice inside the twelve listings in our angle grinder comparison, captured on 20 October 2026. Corded tools in this set start at about £25.99 and keep cutting while the lead reaches. The only complete cordless kit includes a battery and a charger. The three cheaper cordless titles are bare bodies, and they are not DeWalt tools. There is no lab runtime test. A qualifying purchase can earn a commission at no extra cost to you.
Our top picks
| Badge | Product | Supply | Battery | How long it runs | Note | Price | Offer |
|---|---|---|---|---|---|---|---|
| Best overall |  Bosch Professional Bosch Professional GWS 7-115 | Corded, 720 W | No | While the lead reaches | 8.6 | about £67.55 | View offer |
| Alternative |  DCA DCA ADSM06-125 | 20 V kit, 630 W | 4.0 Ah included | About 20–30 min in reviews | 7.5 | about £56.98 | View offer |
| Best value |  DCA DCA ASM18-115 | Corded, 860 W | No | While the lead reaches | 7.8 | about £29.99 | View offer |
On this page
When corded is the default
If the work stays beside a UK socket, buy corded. Screwfix’s buying guide puts the practical difference in one line: a mains grinder runs for as long as you need it, while a cordless grinder is the easier tool up a ladder. Electrical Safety First makes the same split from the other side. Corded tools are often lighter and cheaper, and they are tied to a socket. Cordless tools cost more, weigh more once the pack is fitted, and stop when the pack is flat.
In this set the corded prices begin at about £25.99. That sort of tool does not fade in the middle of a cut because a cell is empty. It does need a lead you can live with, a UK plug, and a place to stand that is not a wet patio at the bottom of the garden. A long grinding session, a stack of brackets, or a gate you can wheel next to the bench all favour the cord. Norton’s orientation figures, which are typical values and not a specification for any listing here, put a corded grinder near 12,000 rpm with no runtime limit. Use that as a picture of mains work, not as the speed printed on a particular model. The moment the cut is on a roof, up a ladder, or across a drive with no safe extension, the socket argument stops. Watts and the carton are on the angle grinder buying guide.
The one kit that includes a battery
The DCA ADSM06-125 at about £56.98 is the only listing here that puts a battery and a charger in the box. It is a 20 V kit with a 4.0 Ah pack and a 2 A charger. The listing’s own charger line says about two hours for that pack. The tool is 125 mm, listed at 8,500 rpm, with anti-restart wording, and the motor is described as brushless. It is the tool you buy when there is no socket and you do not already own a pack. Skip it for a long grinding session.
Runtime needs three numbers kept apart. Reviewers of this kit put a working run near 20–30 minutes. One manual claim sits near 120 minutes. Norton’s guide, written for cordless grinders in general and illustrated with an 18 V 4 Ah example, says up to about 30 minutes depending on the model, the disc, and the job. That Norton figure is a typical value. It is not this kit’s specification, and the 120-minute manual claim is not what the reviews describe. A second pack is not included, so a job longer than one charge means a wait of about two hours or a return to a corded tool. The 125 mm disc is a diameter question, not a reason to treat the kit as more powerful than a mains grinder. Who should skip a thin review sample is on the best angle grinder UK page.
Bare bodies are a different sum
SnowVolt at about £26.99, Kistrba at about £38.95, and YWNYT at about £45.99 all say the battery is not included. Each title names DeWalt 18 V or 20 V Max pack codes. Those are seller compatibility claims. They are not DeWalt products, and they are not a statement that every DeWalt pack will fit. Electrical Safety First warns against treating another manufacturer’s batteries or adapters as safe.
Kistrba prints 200 W and 18 V, and its tip says 4.0 Ah or higher. A reviewer who tried a 2 Ah pack said it ran out quickly. That 200 W line is far below the corded tools in this set, so the body is not equivalent cutting power even if a large pack fits. SnowVolt looks cheaper than a corded grinder near £30 only on the sticker. Add a battery you do not own and the sum is no longer a saving. YWNYT costs more than several complete corded grinders here and still needs a pack. Brushless is stated on the DCA kit and on all three bare bodies. It describes the motor. It is not a runtime guarantee. The review samples are thin on two of the three. Fitting the guard, once you have a complete tool, is on the how to use an angle grinder page.
Which to buy
Buy corded when a socket is in reach. You get uninterrupted cutting from about £25.99 upwards, with the limit that the lead has to reach the work. Buy the DCA kit when there is no socket and you do not yet own a pack the sellers name. About £56.98 then includes the 4.0 Ah battery and the charger, and you should plan on reviewer runtimes near 20–30 minutes rather than a long session.
Buy a bare body only when you already own a pack that matches the codes on that listing. Even then the review samples are thin, and Kistrba’s printed 200 W is not mains-level power. If you have no batteries at all, a bare body is the expensive route, because the pack and a proper charger still have to be bought, and an adapter is the thing Electrical Safety First tells you not to rely on.
Common questions
Should I buy corded or cordless for a garage with a socket?
Buy corded. The work never leaves the socket, so a battery’s limited run is a cost you do not need. Corded listings in this set start at about £25.99 and keep going until you stop. A cordless tool is the better choice up a ladder or away from a safe lead, which is a different job from a garage bench. If the lead will not reach, move to the DCA kit rather than to a bare body.
How long does a cordless angle grinder run?
On the DCA ADSM06-125, reviewers describe about 20–30 minutes, and the listing says the 2 A charger needs about two hours for the included 4.0 Ah pack. One manual claim near 120 minutes is not the figure those reviews support. Norton’s “up to 30 minutes” is a typical value for cordless grinders in general, illustrated with an 18 V 4 Ah example. It is not this kit’s specification. A long grinding session still belongs on a corded tool.
Does the DCA price include the battery?
Yes. The DCA ADSM06-125 at about £56.98 includes a 4.0 Ah battery and a 2 A charger, and it is a 125 mm brushless tool listed at 8,500 rpm with anti-restart wording. It does not include a second pack. Plan on a pause of about two hours if one charge is not enough, or keep a corded grinder for the jobs that run on. It is the complete cordless option in this set, and it is a poor choice for a long session.
Is a bare body at about £26.99 cheaper than a corded grinder near £30?
Only if you already own a pack the seller names. SnowVolt at about £26.99 has no battery in the box. A corded grinder near £30 is a tool you can plug in the same day. Add the cost of a DeWalt-style pack and a proper charger, and the bare body stops being the cheaper line. Kistrba and YWNYT are the same kind of sum, and YWNYT already costs more than several complete corded tools here.
Will any DeWalt 20 V pack fit the bare tools?
Do not assume that. SnowVolt, Kistrba, and YWNYT name particular DeWalt 18 V or 20 V Max pack codes. Those lines are compatibility claims by the seller, and the tools are not DeWalt products. Kistrba’s tip says 4.0 Ah or higher, and a reviewer found a 2 Ah pack ran out quickly. Match a pack you already own to the codes on that listing. A pack that is merely 20 V is not enough of a match.
Is brushless the same as a long runtime?
No. Brushless is stated on the DCA kit and on SnowVolt, Kistrba, and YWNYT. It is a motor description, not a promise of how long the tool cuts. The DCA reviews still sit near 20–30 minutes on the included 4.0 Ah pack. A brushless bare body with no battery in the box has no runtime at all until you fit a pack, and a small pack shortens that run further.
Can I use a third-party battery adapter?
Electrical Safety First says you should charge with the proper charger and should not treat other manufacturers’ batteries or adapters as safe. A third-party adapter that lets an unmatched pack click on is the case that warning covers. Use the charger supplied with the DCA kit for that pack, or a charger meant for a pack you already own and that the seller lists. An adapter is not a way to make a cheap body into a complete tool.
Related pages
Sources
Public UK sources from the research digest, used for this page in October 2026. Prices, stars and review counts are from the twelve amazon.co.uk listings captured on 20 October 2026. HSE limits and PUWER apply at work. They are not a certificate for a domestic grinder, and none of these scores is a laboratory test.
- HSE, PUWER (retrieved 20 October 2026)
- HSE, HSG17 (retrieved 20 October 2026)
- HSE, vibration regulations (retrieved 20 October 2026)
- HSE, construction noise (retrieved 20 October 2026)
- Electrical Safety First, Angle grinders (retrieved 20 October 2026)
- Screwfix, Angle grinder buying guide (retrieved 20 October 2026)
- OPSS, PSA5 toothed saw blades (retrieved 20 October 2026)
- DTC, Cutting and grinding discs (retrieved 20 October 2026)