72v 40ah 32.5kw race compaq
72v 40ah 32.5kw race compaq
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Description
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Sur Ron 72V 40Ah Race Compaq Battery (32.5kW) + Charger
Engineered for agility and raw performance, the Sur Ron 72V 40Ah Race Compaq Battery delivers uncompromising power in a lightweight, compact design. Designed specifically for high-performance riders — racers, stunters, and short-circuit specialists — this battery is a direct-fit, plug-and-play upgrade built to outperform.
Key Features
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Voltage & Capacity: 72V, 40Ah
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Peak Power Output: 32.5kW
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Constant Output: 18kW @ 250A (BMS limited)
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Peak Amperage: 550A (BMS limited to 450A)
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Battery Chemistry: 20s9p Molicel P45B-equivalent 21700 cells
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Weight: 15.5kg
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Height: 310mm (Direct OEM fit – no spacers or hinges required)
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Charging Port: XT60
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Bluetooth BMS: Advanced monitoring, balancing, and on/off control via mobile app
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Casing: Marine-grade 316 stainless steel, powder-coated inside and out
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Warranty: 12 months (18 months on cell performance)
Performance & Build
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Race-Grade Power: A 9-parallel cell configuration allows sustained output with minimal voltage sag. Optimized for up to 32.5kW until thermal or BMS-based rollback.
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Durable Construction: Fully enclosed in marine-grade 316 stainless steel, the exoskeleton is rust-proof, impact-resistant, and powder-coated for enhanced protection.
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Upgrades Included:
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Enhanced internal configuration
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Upgraded high-power Bluetooth BMS
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Stainless steel handle for easy removal
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Refreshed exterior graphics
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Installation & Compatibility
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Direct Fit: Installs directly into OEM Sur Ron frames with no modification.
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Wiring: Includes upgraded QS8 connectors with 6AWG wiring and a custom loom for direct connection to the controller.
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72V System: Requires use of an aftermarket power loom (included) – simply swap the red and black power cables using the included trip switch assembly.
Note: This battery is not compatible with the original stock Sur Ron controller.
Battery Activation
⚠️ Battery Activation Required Upon Delivery
Once the battery is delivered, please contact us to activate it. This step also serves as confirmation of delivery and initiates your warranty coverage.
Charging Guidelines
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Initial Charge:
First-time charging is critical. Always plug the charger into the mains first, then connect to the battery to prevent connection arcing. Allow 12 hours for the initial balance charge. -
Safe Charging Practices:
Always charge in a safe, supervised environment.
🔋 Charger Included: 72V (84V) 8A high-speed charger
Connection Instructions
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Before connecting to your bike, ensure the red trip switch is OFF.
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Connect the battery's power cable, then switch the trip switch ON to avoid sparking.
Specifications Summary
| Feature | Details |
|---|---|
| Voltage | 72V nominal (84V fully charged) |
| Capacity | 40Ah |
| Peak Power | 32.5kW |
| Cell Configuration | 20s9p using Molicel P45B equivalents |
| Bluetooth BMS | 450A limit, 250A constant, app-enabled |
| Charging Port | XT60 |
| Casing | 316 Stainless Steel, powder coated |
| Weight | 15.5kg |
| Height | 310mm (OEM Direct Fit) |
Warranty
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12 Months Standard Warranty on manufacturing defects
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18-Month Extended Warranty on cells
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First 6 Months (UK only): Return shipping covered by us
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After 6 Months or International Orders: Return shipping responsibility falls on the customer
🏍️ Bike not included
⚠️ This battery will not function with the original stock Sur Ron controller
We strive to provide fast and reliable shipping for all orders. All products are processed and shipped within 1-2 business days after order confirmation. Shipping times may vary depending on your location, but typically, you can expect your order to arrive within 3-7 business days for domestic shipments. We offer international shipping to select countries, and delivery times will vary based on location. You’ll receive a tracking number once your order has been shipped, so you can follow your package’s journey. Please note that any customs fees or import duties for international shipments are the responsibility of the customer. For more details or if you have any questions, feel free to contact our customer service team.
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Frequently Ask Questions
What types of electric bikes do you offer?
We offer a range of electric bikes, including city bikes, mountain bikes, and off-road bikes. All our bikes are designed for comfort, power, and efficiency, providing an eco-friendly and enjoyable riding experience.
How long does it take to charge an electric bike?
Our electric bike batteries typically take 4-6 hours to fully charge, depending on the battery size and charger used. We recommend charging your bike overnight for convenience.
What is the range of your electric bikes?
Our electric bikes have a range of 30-60 miles on a full charge, depending on the model, riding conditions, and level of assistance chosen during your ride.
Are your electric bikes suitable for off-road use?
Yes, many of our models are designed with off-road capabilities in mind. With strong suspension, durable frames, and powerful motors, they are perfect for mountain trails and rugged terrains.
Can I test ride an electric bike before buying?
Yes, we offer test rides at our store. Please contact us to schedule an appointment and experience the comfort and power of our electric bikes firsthand.