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 Electric Bike easy to assemble?

The Engwe L20 Boost Electric Bike arrives mostly assembled. Final setup normally includes aligning and securing the handlebars, fitting the pedals and completing essential safety checks. Allow approximately 20–30 minutes, or select our professional assembly and PDI service.

Is the Engwe L20 Boost water resistant?

The Engwe L20 Boost is not fully waterproof. Avoid prolonged exposure to heavy rain, and never submerge or pressure wash the bike or its electrical components. After riding in wet conditions, wipe the bike dry and store it in a dry, sheltered location.

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 250W 48V 13Ah

Engwe L20 Boost Electric Bike - Trail Surge

Engwe L20 Boost Electric Bike

Motor

250W

Battery

48V 13AH

Speed

25 KM/H

Range

80 KM

€1.553,95 €1.254,95

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Returns

30-day returns on unused items
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Collection options

Collection timing depends on whether the product is already held at our Nuneaton workshop. You can contact us before ordering to check, or we will confirm the collection estimate after your order is placed.

In stock at Nuneaton Same or next day

If the product is already at the workshop, collection is usually available the same day or next day. We will contact you as soon as it is ready.

Transfer to Nuneaton workshop 5–7 working days

If the product is held at our main warehouse, allow up to 5–7 working days for it to be transferred to the workshop.

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Payment Options at Checkout

From 3 to 12 months, product dependent

Options shown at checkout.

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Warranty, Parts & Support Covered View warranty details

Warranty period

12 months on the frame, fork and cockpit parts, controller, charger, wiring, display, brakes, throttle, brake levers, pedal-assist sensor, motor and battery; 6 months on lights and specified accessories; 3 months on the saddle, plastic parts, brake rotors, pads and cable; 1 month on tyres for manufacturing faults only.

What’s covered

Verified manufacturing faults such as frame or weld failure, electrical open or short circuits, controller/display failure, motor internal faults, charger failure and qualifying battery defects.

Replacement parts

We sell replacement parts and accessories for many products. Contact us with the model and part required.

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
Brand	Engwe
Bike Type	City & Commuter, Fat Tyre
Motor Power	250W
Battery	48V 13AH
Top Speed	15.5 MPH
Acceleration Method	Regular Pedalling + Pedal Assist + Throttle 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
Box Dimensions	148.5 × 32 × 78 cm (L × W × H)

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.