Description
Upgrade your ride with the Original Electric Bike Chamrider Down Tube Battery. Engineered for performance and reliability, this high‑capacity lithium battery delivers seamless power across a range of voltages—36 V, 48 V, 52 V, 60 V, and 72 V—making it the perfect match for any electric bike conversion or OEM build.
Key Highlights
- Versatile voltage options: 36 V, 48 V, 52 V, 60 V, 72 V
- Multiple capacity choices: 25 Ah, 30 Ah, 40 Ah, 45 Ah, 50 Ah, 60 Ah
- Powerful 2000 W output for smooth acceleration and hill‑climbing
- Compact down‑tube design saves frame space and maintains bike aesthetics
- Premium 18650 lithium cells ensure long life and consistent performance
- Built‑in Battery Management System (BMS) protects against over‑charge, over‑discharge, short‑circuit, and temperature spikes
Why Choose Chamrider?
Chamrider is a trusted name in electric‑bike accessories, known for rigorous quality testing and durable construction. Our down‑tube battery integrates seamlessly with most frame styles, providing a clean look without compromising on power.
Compatibility
- All standard electric bike frames with a down‑tube mounting point
- Works with popular motor kits from Bafang, Tongsheng, and others
- Ideal for DIY conversions, commuter e‑bikes, and off‑road models
Technical Specifications
- Nominal Voltage: 36 V / 48 V / 52 V / 60 V / 72 V (selectable)
- Capacity Options: 25 Ah, 30 Ah, 40 Ah, 45 Ah, 50 Ah, 60 Ah
- Maximum Continuous Power: 2000 W
- Cell Type: 18650 Li‑ion, high‑energy density
- Operating Temperature: –20 °C to 60 °C
- Weight: 6.5 kg – 12 kg (depending on capacity)
- Connector: XT60 / Anderson Powerpole (included)
- Charging Voltage: 42 V – 84 V (compatible charger required)
Easy Installation
The battery’s low‑profile housing slides into the down tube and secures with two stainless‑steel bolts. No drilling or permanent modifications are needed—install in minutes and enjoy instant power.
Safety & Warranty
- Integrated BMS for real‑time monitoring and protection
- IP54 water‑resistance rating guards against splashes and light rain
- 5‑year limited warranty covering cell degradation and manufacturing defects
Boost Your Ride Today
Whether you’re commuting, touring, or tackling steep trails, the Original Electric Bike Chamrider Down Tube Battery gives you the range and torque you need. Click “Add to Cart” now and experience the freedom of a powerful, reliable electric bike.






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