Cordless
COBRA-RM40SPC
Cobra

RM40SPC

"40V Cobra cordless with self-propel and roller"

4.2 (144) · Value score: 7.8 / 10
RRP New
£449
Manufacturer
Buy Now
£399
Lowest UK retailer
Used Avg
£230
Facebook / eBay UK avg

Our verdict

The bottom line

Cobra's answer to the EGO LM1900E for buyers who want self-propel + stripes from a battery mower. The kit is fine; the brand is the question. Cobra batteries lose half their resale by year 3, so don't expect to recoup much used.

Pros & cons

Pros

  • Self-propelled cordless with rear roller — uncommon combination
  • Battery and charger included in price
  • Cobra UK warranty support
  • Mulch plug standard

Cons

  • Cobra 40V batteries depreciate fast
  • 40cm cut narrow for what costs £400
  • Self-propel drive belt wear is common
Ad · Sponsored
Mid-article responsive ad
slot: detail-mid

Full specs

TypeCordless
Cut width40 cm
Engine / PowerCobra 40V brushless
Weight18 kg
DeckPlastic
Self-propelledYes
Rear rollerYes (stripes)
MulchingYes
Cutting heights6 positions
Bag capacity50 L
Suited to lawnMedium
Noise level75 dB

Buying second-hand

Used-market tip

£140–240 used. Always insist on a runtime test — Cobra battery cells degrade faster than EGO/Makita. Self-propel belt slip under load is common; budget for a £25 belt swap if needed. Roller bearings same story as the petrol Cobras — check for play.

Where to look: Facebook Marketplace and Gumtree are usually 20–30% cheaper than eBay UK for petrol mowers because most sellers want local pickup. eBay tends to win on cordless and electric (lighter, easier to ship). Always insist on a starting demonstration before paying.

Related mowers