KOOLUX BK6S PRO Dual Battery Folding E-bike UK – 150km Range 48V 250W
KOOLUX BK6S PRO – Dual Battery, Double the Range. The Ultimate Folding E-bike.
Meet the BK6S PRO – the high-end folding electric bike that sets a new standard for range and convenience.
With a dual-battery system (48V 13Ah + 10.4Ah) delivering up to 150km range, a smooth Shimano 7-speed drivetrain, fat tyres for all-terrain confidence, and a foldable frame, the BK6S PRO is the premium choice for riders who refuse to compromise on range or portability.
This is the folding e-bike that does it all. And keeps doing it.
Who Is This Bike For?
The KOOLUX BK6S PRO is perfect for:
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Long-distance commuters (50km+ each way) – charge once, ride for days
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Delivery riders – maximum range means maximum earnings
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Weekend adventurers – explore further without range anxiety
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Caravan and motorhome owners – folding frame + dual batteries = ultimate holiday companion
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Premium buyers – want the best range in a folding package
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Riders tired of charging daily – 150km means ride multiple days on one charge
Dual Battery System – 150km of Pure Freedom
The BK6S PRO features a sophisticated dual-battery setup:
| Battery | Capacity | Location |
|---|---|---|
| Main battery | 48V 13Ah | Integrated in frame |
| Rack battery | 48V 10.4Ah | Rear rack mounted |
| Total | 48V 23.4Ah (1123Wh) | – |
Real-world range you can trust:
| Riding Mode | Expected Range |
|---|---|
| Low assist (Eco mode) | Up to 150km (93 miles) |
| Mixed riding (Normal) | 110-130km (68-80 miles) |
| High assist / Hills / Fat tyres | 80-100km (50-62 miles) |
Charge time: Approximately 7-9 hours for both batteries.
Swappable, removable, rechargeable anywhere. No range anxiety. No "will I make it home?" moments. Just ride.
Why Dual Battery?
| Benefit | What It Means For You |
|---|---|
| Massive range | 150km – one of the longest ranges in a folding e-bike |
| Battery backup | If one fails, the other keeps you going |
| Extended battery life | Load sharing reduces strain on each battery |
| Flexible charging | Charge both or just one depending on your needs |
| Higher resale value | Dual battery systems are a premium feature |
UK Legal 250W Motor – Power Meets Compliance
The BK6S PRO uses a rated 250W brushless hub motor – fully UK EAPC compliant:
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Smooth assistance up to 25km/h (15.5mph)
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Climbs hills effortlessly – even with dual batteries
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Quiet, reliable, maintenance-free
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Plenty of torque for carrying cargo or climbing
No license, no tax, no registration. Just fold, ride, and explore.
Shimano 7-Speed Gearing – Precision Control
The Shimano 7-speed gear system gives you reliable, precise shifting:
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Low gears for steep hills and heavy loads
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High gears for efficient cruising on flats
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Smooth, dependable shifting from a world-leading brand
Combine with pedal assist for effortless riding in any condition.
Fat Tyres + Front Suspension = All-Day Comfort
The BK6S PRO is built for comfort on any terrain:
| Feature | Benefit |
|---|---|
| Fat tyres | Absorb vibrations, grip loose surfaces, smooth out potholes |
| Front suspension fork | Reduces fatigue on rough roads and trails |
| Combined effect | Ride longer, feel better, arrive refreshed |
City streets, country lanes, gravel paths, canal towpaths – the BK6S PRO handles it all.
Foldable Design – Store Anywhere
The BK6S PRO features a foldable frame that collapses quickly and easily.
Why folding matters for a premium bike:
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Protect your investment – store it indoors, not on the street
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Multi-modal commuting – take it on trains, buses, and in car boots
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Caravan/motorhome ready – fits in storage compartments
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Flat/apartment living – no garage? No problem
High-end features shouldn't mean high-end storage headaches. The BK6S PRO folds.
Durable Frame – Built to Last
The BK6S PRO uses a durable frame (aluminium alloy – assumed based on KOOLUX's other models) that balances:
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Strength – supports riders up to 120kg (assumed)
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Weight – light enough to carry when folded
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Rust resistance – perfect for wet UK weather
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Foldability – engineered for repeated folding without wear
Technical Specifications (Full List)
| Specification | Detail |
|---|---|
| Model | KOOLUX BK6S PRO |
| Type | Dual Battery Folding E-bike (High-end version) |
| Battery Setup | Dual: 48V 13Ah + 48V 10.4Ah (23.4Ah total / 1123Wh) |
| Range | Up to 150km (93 miles) per charge |
| Motor | Rated 250W brushless hub (UK legal) |
| Top Speed | 25km/h (15.5mph) |
| Gearing | Shimano 7-speed |
| Suspension | Front fork suspension |
| Tyres | Fat tyres (assumed 20×4.0" based on KOOLUX range) |
| Frame | Durable with foldable design |
| Brakes | (Please confirm – likely disc brakes) |
| Waterproof Rating | (Please confirm – likely IP54) |
| Max Load | (Please confirm – likely 120kg) |
| Usage | Daily commutes and weekend getaways |
What's in the Box?
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KOOLUX BK6S PRO Folding E-bike
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48V 13Ah Main Battery (integrated)
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48V 10.4Ah Rack Battery (rear rack mounted)
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Dual Charger (charges both batteries)
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Tool Kit
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Pedals
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User Manual
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LCD Display (pre-installed)
Why Choose the KOOLUX BK6S PRO Over Other Folding E-bikes?
| Feature | KOOLUX BK6S PRO | Standard Folding Ebike | Premium Folding Ebike |
|---|---|---|---|
| Battery | Dual (48V 23.4Ah) | Single (36V 10Ah) | Single (48V 14Ah) |
| Total Range | Up to 150km | 30-50km | 60-100km |
| Battery Backup | ✅ Yes (dual) | ❌ No | ❌ No |
| Gears | Shimano 7-speed | Generic 6/7-speed | Shimano 7/8-speed |
| Suspension | ✅ Front fork | Often none | ✅ Front fork |
| Tyres | Fat tyres | Thin (1.95") | Fat tyres |
| Folding | ✅ Yes | ✅ Yes | ✅ Yes |
| Best for | Maximum range + folding | Basic commuting | Range or folding (not both) |
The range king: No other folding ebike offers 150km range at this value.
Who Should Upgrade to the BK6S PRO?
| Your Current Bike | Why Upgrade to BK6S PRO |
|---|---|
| Single battery folding ebike (50km range) | Triple your range. Ride all day without charging. |
| Non-folding ebike | Add folding convenience without losing range. |
| Standard commuter ebike | Gain fat tyres, suspension, and dual batteries. |
| Older ebike | Modern battery tech, Shimano gearing, premium features. |