Skip to content

100% Lowest Price Guarantee

Electric Bikes On Sale Now

Have a Question?
1-877-669-9909

9am - 11pm EST

FREE SHIPPING

Skip to product information

SKU: 52V-17AH-B05-RA4

EUNORAU

Down/Top Tube eBike Batteries - Flash Model

Down/Top Tube eBike Batteries - Flash Model

100% PRICE GUARANTEE

100% LOWEST PRICE GUARANTEE

🏷 100% Price Match Guarantee

  • We work very hard to ensure that we offer the absolute best prices online. If you find another online store that offers a lower price than us within six months of your purchase date, please let us know and we will refund your original payment for the difference.
  • We want you to feel confident that you're getting the absolute best price. If our own website has a lower price for the same item you’ve already purchased within six months, we'll refund the difference as well.

⚠️ Limitations of the Price Guarantee

  • ✅ You must purchase the item from our website before requesting a Price Match
  • 🚫 Promotions like rebates or BOGO offers are not eligible
  • 📦 The item must be in stock on the competitor’s website
  • 🌐 The competitor must be an online store only (no retail locations)
  • 🛑 No discount or auction sites (e.g. eBay, Overstock, etc.)
  • 🧩 The competitor must be an Authorized Retailer of the product
  • 🚚 Price Match covers item price + shipping (excludes sales tax)
  • 🧾 To request your partial refund, simply email us a link to the same product either on our website or on a competitor’s website within six months from the date of your order. We’ll process the credit accordingly.

Regular price
Price: $809.00
Regular price
List Price: $809.00
Sale price
Price: $809.00
FLASH-Moped 52 Volt Top Tube | Down Tube

SPECIFICATIONS

52V21AH:

Model: 52V21Ah HYFX-D LG3500 lithium ion battery

Nominal Voltage: 52V

Rated Capacity: 21Ah

Weight: 13.9 lbs

Standard Charge: 4A

Type: Down tube battery

Color: Black

Cycle Life: 500-800 cycles

Charger: 4A charger

Application: EUNORAU Flash

BMS and Balance: Short-circuit, over-charge, over-discharge, over-current protection, and balance.

52V17AH:

Model: 52V17Ah Hailong lithium ion battery

Nominal Voltage: 52V

Rated Capacity: 17Ah

Weight: 10.5 lbs

Standard Charge: 4A

Type: Top tube battery

Color: Black

Cycle Life: 500-800 cycles

Charger: 4A charger

Application: EUNORAU Flash

BMS and Balance: Short-circuit, over-charge, over-discharge, over-current protection, and balance.

Upgrade your EUNORAU Flash today with the FLASH THIRD 52V17AH and SECOND 52V21AH BATTERY and enjoy a longer, safer, and more enjoyable ride. 220 miles when using all three batteries.

FEATURES & BENEFITS

Extends your riding range significantly.

Durable and reliable for long-term use.

Enhances the safety and stability of your ride.

SHIPPING POLICY

Shipping & Returns Policy

✅ Order Confirmation

  • As soon as you place your order, you’ll receive an order confirmation email. This means we’ve received your order and pre-authorized your credit card. We contact our suppliers to confirm stock availability. If the item is on backorder or unavailable, we void the pre-authorization and contact you. If the item is available to ship within 5 business days, we charge your card and begin processing.

📦 Order Shipment

  • If your item is in stock and charges have been processed, your order ships in 1–3 business days. We’ll email you tracking info within 24 hours of shipment. If no tracking is received after 6 business days, contact us at info@wattwheelsebike.com.

🌎 Shipping Regions & Carriers

  • E-Bikes ship to USA and Canada via UPS from Las Vegas or Lachine warehouses. Estimated delivery: 1–10 days. Accessories & batteries ship via FedEx or UPS. Estimated delivery: 9–15 days.

📍 Remote Area Shipping Note

  • If your location is classified as remote by the carrier, additional fees may apply. If the item is out of stock locally, it may ship from overseas. In such cases, tracking info may be delayed until customs clearance. Estimated delivery: 10–15 business days.

🔐 Final Sales Policy

  • All sales are final, unless there is a verifiable defect upon delivery. If so, Watt Wheels will provide specific return procedures. Returns allowed within 14 days only for serious quality issues.

🛡 Warranty

  • 24-month warranty on all E-Bikes. Warranty is handled directly by Eunorau with the customer.

🏢 Delivery & Shipping Requirements

  • Customer must ensure accurate shipping information, availability during delivery, clear access to delivery point, and staff/equipment for unloading if needed. If a residential address is used and requires extra services (e.g. lift-gate), customer must notify Watt Wheels in advance. Failure to do so may result in delays or extra fees. Missed deliveries due to customer negligence will result in return shipping charges and possible re-delivery fees.

📦 Damages

  • Please inspect your package on arrival. If damaged, note it when signing, take photos, and email info@wattwheelsebike.com. We will file an insurance claim on your behalf.

💳 Cancellations & Refunds

  • Orders canceled after 48 hours incur a $20 admin fee. If already shipped, customer is responsible for return shipping. Refunds issued only to the original credit card used at purchase.
View Cart

Low stock: 7 left

52V 21Ah Lithium Battery for EUNORAU Flash

 

Premium Cell Technology

This down tube battery features original LG LG3500 cells, engineered for dependable performance and long cycle life. Crafted with durable materials, it withstands daily use and challenging conditions, ensuring consistent power delivery over hundreds of charge cycles.

 

High Capacity for Long-Distance Adventures

With a rated capacity of 21Ah and a power output of approximately 1092Wh, this battery supports extended trips and heavy loads. Its large capacity makes it ideal for long-distance riding, delivering up to 220 miles when combined with other batteries for maximum range.

 

Reliable Performance & Safety

Built with advanced BMS and balancing systems, it offers comprehensive protections against short-circuits, over-charging, over-discharging, and over-current conditions. It supports operating temperatures from -20°C to 60°C and provides a cycle life of 500-800 cycles, ensuring safety, longevity, and reliable operation for demanding applications.



52V 17Ah Lithium Battery for EUNORAU Flash

 

Superior Cell Quality

Utilizing original LG LG3500 cells, this top tube battery ensures steady power, durability, and an extended cycle lifespan. Made from high-quality materials, it’s built for consistent performance in daily and demanding use.

 

Optimized for Long Rides

Rated at 17Ah with approximately 884Wh of energy, this battery enables long-range riding for daily commuting or extended adventures. When combined with additional batteries, it can support up to 220 miles of travel, offering unmatched freedom.

 

Enhanced Safety and Durability

Featuring a sophisticated BMS that provides protections against short-circuits, over-charge, over-discharge, and over-current, this battery guarantees safe operation. It performs well in temperatures from -20°C to 60°C, supporting up to 800 cycles, making it a durable and trusted choice for your eBike.