Engwe L20 3.0 vs Heybike Mars 3.0 e‑bike

• BatteryEngwe L20 3.0: 8 (higher)Heybike Mars 3.0 e-bike: 6

  Engwe L20 3.0

  • 684 Wh (48 V, 14.25 Ah) on the folding ladder
  • Page: 48 V, 15 Ah, 720 Wh printed on the product page

  Heybike Mars 3.0 e‑bike

  • 624 Wh removable pack on the folding ladder
• Ride HardwareEngwe L20 3.0: 7Heybike Mars 3.0 e-bike: 9 (higher)

  Engwe L20 3.0

  • hydraulic discs, lockout fork, torque sensor, anti-puncture tires
  • Rear: 30 mm travel, not counted on a folding bike

  Heybike Mars 3.0 e‑bike

  • hydraulic discs, 180 mm rotors, 65 mm coil fork, torque sensor, puncture-protection tires
  • Rear: Horst-link rear suspension, not counted on the folding tier
• VerificationEngwe L20 3.0: 6 (higher)Heybike Mars 3.0 e-bike: 4

  only the Engwe L20 3.0: UL 2849 listed; only the Heybike Mars 3.0 e-bike: UL 2271 pack listed.

  Engwe L20 3.0

  • TÜV Rheinland CU 72605445 names the L20 3.0 under UL 2849 (ENGWE's maker)
  • Searched: Certipedia Brand-hosted TÜV Rheinland of North America certificate (Certipedia read pending) Intertek UL SGS TÜV SÜD CSA CPSC Health Canada Certipedia (EN 15194, rung 8)
  • Record: TÜV Rheinland Certipedia, ANSI/CAN/UL 2849:2022A (Electric System for Electric Bike), L20 3.0, Shenzhen Zhiqu Vehicle Industry Co., Ltd, 1001 Building B, No. 7 Huanping Road, Pingdi Street, Longgang District, Shenzhen
  • Record: Brand-hosted TÜV Rheinland of North America certificate (Certipedia read pending), ANSI/CAN/UL 2849:2022A (Electric System for Electric Bike), Addition: Model Designation: L20 3.0, Shenzhen Zhiqu Vehicle Industry Co., Ltd, 1001 Building B, No. 7 Huanping Road, Pingdi Street, Longgang District, Shenzhen

  Heybike Mars 3.0 e‑bike

  • UL 2271 pack file MH66825; UL 2849 claimed, no certificate names Mars 3.0
  • Searched: UL Certipedia Intertek SGS TÜV SÜD CPSC Health Canada
  • Record: UL Product iQ, UL 2271 (BBCA, Batteries for Use in Light Electric Vehicles - Component), (guest view shows no model), Heybike INC
  • Record: UL Product iQ, UL 2849 (QGNS, Electrical Systems for E-Bikes), (holder file; guest view shows no model), Galaxy Mobility Inc
• FeaturesEngwe L20 3.0: 8Heybike Mars 3.0 e-bike: 10 (higher)

  Engwe L20 3.0

  • removable pack, lights, colour display, GPS, throttle, rack and fenders
  • IP: IPX4, below the IPX5 point

  Heybike Mars 3.0 e‑bike

  • removable battery, lights, turn signals, colour display, app lock, throttle, rack and fenders, IPX5
  • IP: manual and FAQ say IPX5; feature panel says IP65
• MotorEngwe L20 3.0: 6Heybike Mars 3.0 e-bike: 7 (higher)

  Engwe L20 3.0

  • 90 Nm rear hub, 750 W rated
  • Peak: 1,500 W claimed, not scored

  Heybike Mars 3.0 e‑bike

  • 95 Nm rear hub, 750 W nominal
• WeightEngwe L20 3.0: 2Heybike Mars 3.0 e-bike: 3 (higher)

  Engwe L20 3.0

  • 76.1 lb with the battery

  Heybike Mars 3.0 e‑bike

  • 70 lb (manual)
  • Load: 440 lb total payload; rack rated 100 lb
• Warranty & SupportEngwe L20 3.0: 3Heybike Mars 3.0 e-bike: 5 (higher)

  Engwe L20 3.0: 1 Year · Heybike Mars 3.0 e-bike: 2 Years.

  Engwe L20 3.0

  • one year on battery and motor
  • Extension: paid one-year extension ($50.00)

  Heybike Mars 3.0 e‑bike

  • two years on battery and motor, heybike.com purchases

Not scored for either

• ValueEngwe L20 3.0: —not scoredHeybike Mars 3.0 e-bike: —not scored

• RedditEngwe L20 3.0: 4Heybike Mars 3.0 e-bike: 6 (higher)

  The Engwe L20 3.0 reading covers the whole brand.

  Engwe L20 3.0

  Read the full summary

  • r/ebikes: an EP-2 owner said the bike seemed well made and met its specs for the money (2024)
  • r/ebikes: a buyer of an EU-store bike reported a two-month delivery and a broken visor after 22 emails with support (Jul 2023)

  Heybike Mars 3.0 e‑bike

  Liked

  • strong motor
  • fast

  Complaints

  • heavy to lift
  • ghost pedaling above 22 mph

  Read the full summary

  • Product. r/ebikes: a Mars 3.0 owner calls it fast with a strong motor, but heavy to lift and prone to ghost pedaling above 22 mph (Nov 2025)
• GoogleEngwe L20 3.0: 7Heybike Mars 3.0 e-bike: 7

  The Engwe L20 3.0 reading covers its product line.

  Engwe L20 3.0

  Read the full summary

  • Product-line.
  • Neowin (affiliate link to the maker's store; how the unit was obtained not stated) tested the EU L20 3.0 Boost, a 250 W sibling, and praised its Shimano parts and full suspension (May 2025)

  Heybike Mars 3.0 e‑bike

  Liked

  • hill climbing
  • torque sensor feel
  • full lighting kit

  Complaints

  • heavy to carry
  • short seatpost

  Read the full summary

  • Product.
  • Ebike Escape (affiliate links, stated) averaged over 14 mph on a throttle-only hill climb and reached about 32 mph unlocked (Sep 2025)|The same test found it heavy to carry and the stock seatpost short for a 33 in inseam (Sep 2025)
• YouTubeEngwe L20 3.0: 8Heybike Mars 3.0 e-bike: —not scored

  No usable source for the Heybike Mars 3.0 e-bike.

  Engwe L20 3.0

  Liked

  • torque sensor
  • brakes
  • fold and app

  Complaints

  • stiff rear suspension
  • motor a little loud
  • runs out of gears above 25 mph

  Read the full summary

  • Product.
  • Gary's E-Bike Adventures (review unit, Engwe discount codes and affiliate links, stated) rated the torque sensor among the best he has ridden and liked the Tektro brakes; rear suspension barely moved (May 2026)

  Heybike Mars 3.0 e‑bike

  Nothing recorded.

• AmazonEngwe L20 3.0: —not scoredHeybike Mars 3.0 e-bike: 4

  No usable source for the Engwe L20 3.0; the Heybike Mars 3.0 e-bike reading covers its product line.

  Engwe L20 3.0

  Nothing recorded.

  Heybike Mars 3.0 e‑bike

  Read the full summary

  • Product-line.
  • A Heybike brand-store Amazon listing titled Mars 2.0 that also sells the Mars 3.0 shows 3.7 stars on 9 ratings, 17% one-star (Oct 2026)