eufy E15 vs C15

Which is better, eufy E15 or eufy C15?

The C15 is the likely pick for a small, flat lawn, though the evidence behind it is thinner than the E15's.

Updated

Our pickeufy C15

eufy

C15

Limited evidence

Not currently sold in the UK

See prices

The short version

E15

For bigger lawns, up to 800m², and gardens with a bank or two. It cuts a wider strip, handles steeper ground, adjusts its cutting height electrically and has 4G built in for lawns where Wi-Fi doesn't reach. You pay more for that, and testers with bumpy or damp grass found it slipped and got stuck.

C15Our pick

For small, flat, well-kept lawns up to 500m². It's the same camera-guided idea as the E15, with no wire to lay, and reviewers found it about as easy to set up as mowers get. You give up area, slope and cutting width, and the cutting height is set by hand on a dial.

What reviewers found

E15

TechRadar called it the easiest robot mower it had set up, and T3 gave it full marks, though the same writer did both reviews. The other two tests were cooler. Trusted Reviews liked it on a flat lawn but saw the front dig in on bumps and slide off a steep border, and Tom's Guide had it slipping on damp grass and leaving path edges uncut. Everyone praised the cut itself; the split comes down to how flat and dry your lawn is.

C15

Expert Reviews found it spectacularly easy to set up, with borders mapped right first time and obstacle avoidance so good it barely needed no-mow zones. Notebookcheck agreed on obstacles, dodging a hedgehog dummy, a hose and a tennis ball, and got more than its claimed area from a charge. Edges are where they differ: Expert Reviews saw it cut to within about 5–10cm of borders, while Notebookcheck was left with 10–20cm strips by raised edges. Both warn it's for flat ground, and tall dandelions and a dry patch interrupted it at Expert Reviews.

Where they differ

  1. 01

    Lawn size: 800m² against 500m²

    This is the real dividing line. The C15 is rated for lawns up to 500m² and the E15 up to 800m². Buy for your lawn plus a margin, not exactly to the number.

    Recommended lawn size
    E15800m²
    C15500m²
  2. 02

    Slopes: 40% against 32.5%

    Measure your steepest bit before you choose. If any part of the lawn is near 30%, the E15 is the safer pick. Neither is a hill climber, though: Trusted Reviews saw the E15 slide off a steep border, and Notebookcheck calls the C15 anything but a mountain goat.

    Maximum slope (claimed)
    E1540%
    C1532.5%
  3. 03

    A wider, taller cut

    The E15 cuts a wider strip, so it needs fewer passes on a bigger lawn. It also cuts taller, 25–75mm against 20–60mm, and adjusts its height electrically, while the C15 has a dial on top that you turn by hand, as Notebookcheck points out.

    Cutting width
    E15203mm
    C15180mm
  4. 04

    4G for lawns out of Wi-Fi range

    Both need a signal across the lawn. The E15 has 4G built in, with a paid data plan if your Wi-Fi doesn't reach, according to Trusted Reviews. On the C15, 4G is an add-on module, per eufy.

  5. 05

    Reviews favour the C15 on flat lawns

    Expert Reviews and Notebookcheck were both impressed by the C15. The E15's results depend on the lawn: TechRadar loved it, but Tom's Guide and Trusted Reviews struggled on damp or bumpy grass. On a flat, tidy lawn under 500m², the cheaper C15 does the same job.

Prices

Up to five shops for each, cheapest first. We read every price on the shop’s own page.

E15

Not currently sold in the UK.

C15

Not currently sold in the UK.

Specs side by side

SpecE15C15
Recommended lawn sizeUp to 800m²Up to 500m²
Maximum slope (claimed)40% (18°)32.5%
Cutting width203mm180mm
Cutting height25–75mm, electric adjustment20–60mm, manual dial Heights from eufy; Notebookcheck says the C15 is set by hand and the E-series electrically
BoundaryCameras only, no wire or aerialCameras only, no wire or aerial
4GBuilt in (paid data plan)Optional add-on module
Area per charge (claimed)150–270m²200m² eufy's figure, as quoted by Notebookcheck, which managed about 250m²
Noise (claimed)56dB56–58dB eufy UK product page says 58dB; eufy's comparison page says 56dB
Charge time90–110min90–110min
Water resistanceIPX6, roof over dock includedIPX6, roof over dock included Expert Reviews' UK sample came with the roof; Notebookcheck says it costs extra in some EU markets

Questions people ask

What is the difference between the eufy E15 and C15?

Mostly capacity. Both find their way with cameras, with no wire and no aerial. The E15 covers 800m² with a 203mm cut on slopes up to 40%, adjusts its cutting height electrically and has 4G built in. The C15 covers 500m² with a 180mm cut on slopes up to 32.5%, and you set its cutting height by hand.

Do either need a perimeter wire?

No. Neither needs a boundary wire or an aerial. They map the lawn with their cameras, which TechRadar and Expert Reviews both found quick. You do need Wi-Fi or 4G across the lawn; the E15 has 4G built in, and the C15 takes an add-on module.

Is the E15 worth the extra money?

Only if you need what it adds: a lawn bigger than 500m², slopes steeper than about 30%, or no Wi-Fi at the far end. On a small, flat lawn you'd be paying for capacity you won't use, and Expert Reviews found the C15 mowed very well.

Can either mow at night?

No. Both need daylight to see, and both head home when it rains or gets dark. TechRadar listed that as one of its few niggles with the E15, and Expert Reviews notes the same automatic recall on the C15.