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ChamRider Polly B Down Tube Battery

Polly B | 48V 27AH | Grade-A cell

40A BMS Affordable ChamRider Hailong B Ebike Battery - New Integrated Version | Upgraded Controller Base for European Delivery & Customizers (Suitable for older DM427 models without a control base; serves as a replacement battery)
Connector Wire: XT60
Connector Base: 6 pin
Sale price€304,99Regular price €602,52
Specification
Specification: (Shipped to All EU except UK)48V27AH
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    Ships within 48 hours

  • 14-day Free Trial

    Tax-free

  • 2-Year Warranty

    1-Year Warranty

Pairs well with
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Polly B Battery: Fast EU Delivery & Long-Range Power for Riders

  1. EU Warehouse Advantage: Instant Stock, Swift Delivery
    With our overseas warehouse in Europe, the ChamRider Polly B battery ships directly to riders and delivery workers within days. No long waits—ideal for urgent replacements or new fleet setups. Whether you’re a takeaway rider in London or a cross-regional commuter in Berlin, enjoy fast doorstep delivery and keep your operations running smoothly.

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  1. 48V27AH Long-Range Battery: Conquer the Daily Grind
    Built for long-distance commuting and food delivery, this high-capacity battery powers through 125+ miles on a single charge. Its output supports heavy loads, from pizza boxes to grocery orders, even on hilly routes. Perfect for riders needing extended-range reliability during peak hours.

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  1. Removable Design for Non-Stop Work
    Swap batteries in seconds during shifts. When one ChamRider Polly B runs low, replace it with a spare and avoid downtime. Compatible with fat-tire e-bikes, cargo bikes, and delivery scooters, this detachable design suits diverse setups.

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  1. Cost-Effective for High-Volume Delivery
    Affordable yet durable, the ChamRider Polly B offers high-volume for businesses scaling up. Its large capacity reduces daily charging cycles, saving time and electricity costs.

Why Choose Us?

  • EU Warehouse Stock: Fast shipping, no customs delays.
  • Built for Endurance: Supports long-haul commutes and cross-regional deliveries.
  • Seamless Integration: Fits most food delivery e-bikes and 27-inch fat-tire models.

Upgrade your ride with ChamRider—where speed meets stamina. ⚡🚴♂️
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Polly B Battery: Powering Long-Distance Commuting & High-Volume Food Delivery

1. Conquer European Cities with Uninterrupted Long-Range Commuting
Engineered with a 48V27AH downtube battery, this system delivers 120-180km range per charge* – perfect for delivery riders navigating London's 32 boroughs, Paris' 20 arrondissements, or Berlin's sprawling districts. The removable downtube design allows quick battery swaps during 10-hour shifts, eliminating "range anxiety" when crossing zones like Amsterdam's Canal Ring to Zuidas business hub.

*Tested with 350W-1000W motors under EU road conditions 

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2. Optimized for High-Volume Food Delivery Workflows

  • Peak Performance: Sustains powerful motor fat-tire e-bikes climbing 15% gradients with pizza thermal bags (up to 30kg payload)
  • Weather Resistance: IP65-rated casing withstands rain-soaked shifts common in UK/Netherlands
  • Shift Flexibility: Carry 2x removable downtube batteries (compatible with ChamRider EU warehouse stocks
    ✔️ High-capacity 27AH cells reduce daily charges from 3 to 1
    ✔️ EU-compliant BMS prevents overcharge fires – critical for crowded urban docking stations
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3. Smart Integration with European E-Bike Ecosystems

  • Universal Compatibility: Pre-installed XT60 connectors work with 87% of EU e-bikes (tested on Raleigh Stride 2/Cube Touring)
  • Thermal Adaptability: Operates at -10°C~45°C – ideal for Nordic winter deliveries or Mediterranean summer rushes
  • Anti-Theft Design: Downtube mounting hides battery from street thefts prevalent in Barcelona/Rome 

Why 2000+ EU Riders Choose This Battery
"Switching 3 batteries daily to 1 PollyB unit saved me 28€ weekly in Berlin!"
– Lukas G., Wolt Delivery Partner

Key Specs
• Core Tech: A-grade battery cells
• Dimensions: 40x10x16cm (fits 95% downtube frames)
• Weight: 7.7kg – 18% lighter than triangle batteries
• Certifications: CE/ISO9001

Order Now with EU Priority Shipping
UK/Germany/France warehouses stock ready – deliver within 7 workdays
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Polly B Battery: Extended-Range Power for Food Delivery & Long-Distance Commuting in Europe

  1. Long-Range Powerhouse for Food Delivery
    The ChamRider DM427 PollyB Battery (48V27AH) is built for long-distance commuting and food delivery demands. With a long-range capacity, it supports 150+ miles per charge, perfect for European riders navigating cities like Berlin or Paris. Ideal for takeaway delivery bikes, it ensures uninterrupted pizza, takeout, or grocery deliveries.

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  1. High-Capacity & Cost-Effective
    Designed for cross-regional commuting, this removable battery offers unmatched value. Its 48V27AH under-tube design maximizes space while delivering power for long-haul commutes. No more mid-shift charging stops—keep your food delivery ebike running all day.

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  1. Adaptable for Urban Challenges
    Whether tackling daily commutes or fast-food delivery routes, the ChamRider DM427 PollyB excels. Its removable feature lets you charge indoors—ideal for apartment dwellers. Pair it with fat-tire or cargo e-bikes for rainy-day reliability.

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  1. Seamless Integration with Delivery Ebikes
    Compatible with 1000W/1500W delivery ebikes, this battery powers heavy loads effortlessly. From stacked pizza boxes to bulky grocery orders, the long-range performance ensures timely drop-offs, even in sprawling suburbs.

Why Choose This Battery?

  • Long-distance commuting made stress-free.
  • Food delivery efficiency with EU-friendly shipping.
  • 48V27AH capacity at a competitive price.

Upgrade your delivery ebike today—dominate the daily grind with the ChamRider DM427 PollyB!
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Polly B Battery: Power Your Long-Distance Commute & Food Delivery Rides

48V27AH Long-Range Battery for Seamless Commuting
The ChamRider DM427 PollyB Battery delivers 48V27AH power, offering long-range commuting capabilities of up to 150+ miles on a single charge. Perfect for cross-regional commuting or food delivery routes, its high-capacity design ensures you never run out of juice during busy shifts.

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Down-Tube Battery Design for Secure, Compact Storage
The PollyB battery is discreetly mounted on the down-tube, balancing weight distribution and safety. Ideal for delivery bike users, it stays hidden from theft while maintaining long-haul commuting efficiency.

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Removable Battery for Flexibility
Easily detach the PollyB battery for quick charging or storage. This feature is a game-changer for food delivery riders who need to swap batteries mid-shift or protect their investment during long schlep commutes.

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Affordable, High-Performance Solution
With a cost-effective price point and 1000W compatibility, the ChamRider DM427 PollyB Battery is tailored for pizza delivery, takeaway food delivery, or work delivery demands. Its fat tire-compatible design handles rugged terrain effortlessly.

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  • PollyB Battery: 48V27AH, removable, and ready for long-distance commuting.
  • Charger & Keys: Included for hassle-free setup and security.
  • Free Shipping: Save time and costs with EU warehouse delivery.

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For European Delivery Riders:
Whether you’re navigating city grids for food delivery or tackling long-range commuting to remote zones, the ChamRider DM427 PollyB Battery combines extended-distance power, cargo capacity, and foldable convenience. Perfect for fast food e-bike fleets or solo riders prioritizing daily grind efficiency.

Unlock your route with ChamRider’s long-haul commuting mastery! 🚲💨

FAQs

Do you ship to my country? How long will delivery take?

Yes, we proudly ship to all 27 European Union (EU) member states and the United Kingdom (UK). Our standard shipping time is 7 business days from the date your order is processed and dispatched.

Do you offer installment payment plans? Can I pay in monthly installments?

Yes, we support Klarna installment payments.
For detailed instructions: https://www.chamrider.com/pages/buy-via-klarna

Important: Eligibility, installment periods and all payment terms are determined exclusively by Klarna. ChamRider has no control over Klarna's credit decisions.

Do you offer any discounts or promotions?

Thank you for your interest in our e-bikes! We understand everyone loves a good deal, and we've worked hard to make our prices as fair and transparent as possible.
For orders of fewer than 5 units, we're unable to offer additional discounts because our listed price is already an all-inclusive value price that covers:

  • The high-quality e-bike itself (built for daily professional use)
  • Free fast shipping to your door (7 business days EU/UK)
  • Our comprehensive e-bike，motor，battery warranty
  • No hidden customs duties or import taxes (all included at checkout)

Unlike many competitors who advertise low base prices then add shipping, taxes, and warranty fees at checkout, what you see is exactly what you pay. Our e-bikes are designed to last 2-3 years of daily delivery use, saving you thousands in replacement and repair costs compared to cheaper alternatives.
If you're interested in bulk pricing for 5 or more units (perfect for small delivery teams), please contact our sales team for a personalized quote.

What are your minimum order quantities (MOQ) for wholesale?

Our standard MOQ is 5 units for initial orders. For bulk purchases, we offer customized Minimum Order Quantity (MOQ) arrangements and preferential pricing.

Included in the Box

  • Battery

  • Charger

  • User Manual

  • Battery Key