What range can the L20 Boost do on one charge?

Up to 126 km in pedal-assist (PAS) under test conditions.

How fast does it go — and is there a throttle?

The L20 Boost is designed as a pedal-assist e-bike. Assistance is intended to cut out at the UK/EU legal limit (25 km/h / 15.5 mph), and it does not offer a continuous throttle mode.Boost Button gives a short power boost only while you’re pedalling (great for hill starts and quick pull-aways).Top assisted speed: 25 km/h (15.5 mph).Best range comes from lower assist levels and steady cadence.

How long does the battery take to charge?

About 6.5 hours with the standard charger.

Who is the L20 Boost best for (fit & carrying)?

It’s a step-through fat-tyre bike aimed at comfort and everyday carrying (commuting, errands, light cargo).Rider height: 5.0–6.0 ft (approx. 152–183 cm).Payload capacity: up to 120 kg.Bike weight: about 34 kg (so plan for storage if you have stairs).

Is the Engwe L20 Boost easy to assemble?

The Engwe L20 Boost comes mostly assembled and only minor things need to be assembled. This should not take longer than 20-30 minutes to do.

Is the Engwe L20 Boost water resistant?

The Engwe L20 Boost is water-resistant and suitable for riding in light to moderate rain. It is not fully waterproof and should not be submerged. Short term, your product can get a little wet and be in the rain, but any long-term exposure can cause serious problems.

Is the Engwe L20 Boost Electric Bike road legal?

Yes — this model is road legal in the UK. It’s classed as an EAPC (electric assist bicycle), so it can be ridden on public roads and cycle paths like a standard bike, without any issues from the police.

Engwe L20 Boost Electric Bike - Trail Surge

Engwe L20 Boost Electric Bike 250W 48V 13Ah

Brand:

Engwe L20 Boost Electric Bike

Motor

250W

Battery

48V 13AH

Speed

15.5 MPH

Range

50 MILES

£1,299.00 £1,049.00

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Cover varies by brand and model. See our warranty page for full terms.
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Batteries, chargers, chains, brake pads, tyres and tubes may have limited cover.
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Road use notice: This bike is over 250W and is for private land/off-road use only. Need a UK road-compliant option? View road legal e-bikes .

Description

Quick Summary
The ENGWE L20 Boost offers a balance of portability and performance. Its compact foldable frame, fat‑tyre stability, and legal‑limit 250 W motor make it ideal for city commutes, campus runs, or light trail excursions.

Smooth Power Delivery
With five levels of pedal assist plus throttle mode, the L20 Boost provides smooth, responsive acceleration. The 250 W motor delivers consistent support on flats and gentle climbs without sudden surges.

Comfort & Control
Fat 4″ tyres and front suspension absorb bumps on pavement or gravel paths for a comfortable ride. Dual disc brakes ensure reliable, controlled stopping in all conditions.

Smart Battery System
The lockable 48 V 13 Ah battery is easily removable for convenient charging anywhere. Integrated protection circuits guard against over‑charge, over‑discharge, and overheating for safe, long‑lasting performance.

Tech You Can Trust
A clear backlit LCD shows your speed, battery level, trip distance, and assist mode at a glance. Handlebar controls let you switch between assist levels or engage the thumb throttle with ease.

Built for Everyday Use
Weighing around 25 kg and folding in seconds, the L20 Boost stows neatly in car boots, train luggage racks, or small apartments. Its durable components and straightforward design make it a low‑maintenance companion for daily riding.

Review Video

Specifications

Collection	Electric Bikes
SKU	BL2B-EURD01
Brand	Engwe
Bike Type	City & Commuter, Fat Tyre
Motor Power	250W
Battery	48V 13AH
Top Speed	15.5 MPH
Acceleration Method	Regular Pedaling + Pedal Assist + Boost Button Acceleration
Max Range	50 Miles
Charging Time	5+ Hours

Shock Absorbers	Front
Brakes	Dual Mechanical Disc Brakes
Bike Weight	27KG
Max Climb	15 degrees
Max Rider Weight	150KG
Dimensions

Side-by-side close-up images of a black front basket and a rear rack mounted on an electric bike, highlighting their sturdy metal construction and storage capacity for carrying cargo or groceries.

Front Fork Suspension & 20x4-Inch Fat Tires

The robust front fork suspension absorbs shocks and bumps, providing a comfortable ride on rough terrains. With a travel distance of 50 mm, enjoy smoother handling and better control. The 20x4.0 inch fat tires offer superior traction and stability, allowing you to ride confidently on sand, snow, and rough trails. These wide tires enhance comfort and safety, reducing the impact of uneven surfaces.

Close-up of a bicycles front fork suspension and fat tire, highlighting features such as shock absorption and improved traction on rough terrain, with text descriptions detailing their benefits.

Front Basket & Rear Rack

The spacious front basket offers convenient storage with a capacity of up to 10 kg, making it perfect for carrying groceries or personal items. Its durable design ensures stability and easy access while riding. The sturdy rear rack can support loads up to 25 kg, providing ample space for larger cargo or panniers. Its robust construction enhances your e-bike's utility, allowing you to transport heavier items effortlessly.

Portable Battery & Colorful Display

ENGWE's portable battery ensures consistent power for up to 126 km on a single charge in PAS 1 mode. With a capacity of 13 Ah, enjoy extended rides without the worry of frequent recharging. The intuitive colour display keeps you informed with real-time data on speed, battery level and distance. Easily monitor your ride statistics and choose from 5 levels of pedal assist for a customised experience.