Description
Upgrade your ride with the Sixthreeze Rear Rack E‑Bike Battery – a versatile power solution engineered for 48V, 36V, and 52V electric cruiser bikes. Whether you ride a 500W, 750W, or 1000W model, this high‑capacity battery (available in 10.4 Ah, 13 Ah, 14 Ah, 15 Ah, and 17.5 Ah) delivers longer journeys, faster charging, and reliable performance, making it the perfect replacement for your original pack.
Why Choose the Sixthreeze Rear Rack Battery?
- Universal fit for 48V, 36V, and 52V e‑bikes with rear‑rack mounting.
- Multiple capacity options (10.4 Ah‑17.5 Ah) to match your power needs.
- High‑efficiency lithium‑ion cells provide up to 30 % more range.
- Robust, weather‑sealed housing protects against rain, dust, and vibrations.
- Fast charge capability – full charge in 3‑5 hours with a standard charger.
- Integrated Battery Management System (BMS) ensures safety and longevity.
Compatibility & Fit
This rear‑rack battery is designed for a wide range of electric cruiser bikes, including popular models from Sixthreeze, Rad Power, Aventon, and more. It fits securely on standard rear racks and can be easily swapped with the factory‑installed pack.
Technical Specifications
- Voltage: 48 V / 36 V / 52 V (selectable based on bike configuration)
- Power Rating: 500 W, 750 W, or 1000 W motor compatibility
- Capacity Options: 10.4 Ah, 13 Ah, 14 Ah, 15 Ah, 17.5 Ah
- Energy: Up to 875 Wh (48 V × 18.2 Ah)
- Cell Type: High‑performance Li‑ion (NCM/NCA)
- Operating Temperature: -10 °C to +60 °C
- Charging Voltage: 54.6 V (48 V system) / 58.8 V (52 V system)
- Weight: 4.2 kg – 6.5 kg depending on capacity
- Dimensions: Custom‑fit for standard rear rack mounts
Easy Installation
Replace your old pack in minutes:
- Disconnect the old battery and remove it from the rack.
- Slide the Sixthreeze battery into the same mounting brackets.
- Secure with the supplied bolts and connect the power plug.
- Turn on your e‑bike – you’re ready to ride!
Safety & Warranty
The built‑in BMS monitors temperature, voltage, and current to prevent over‑charge, over‑discharge, and short circuits. All Sixthreeze batteries come with a 2‑year limited warranty and 24/7 customer support for peace of mind.
Boost Your E‑Bike Experience
From daily commutes to weekend adventures, the Sixthreeze Rear Rack E‑Bike Battery gives you the power, reliability, and confidence you need to go farther. Choose the capacity that fits your lifestyle and enjoy a smoother, longer ride every time you hit the road.
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