Description
SilverFish 36‑72V Downtube Lithium Battery – 20‑40 Ah, 2000 W
Upgrade your e‑bike’s power and range with the brand‑new SilverFish downtube lithium battery. Designed for high‑performance electric bikes, this robust 2000 W battery delivers consistent torque, longer rides, and fast charging—all packed into a sleek, low‑profile downtube design.
Key Highlights
- Wide voltage compatibility: 36 V, 48 V, 52 V, 60 V, and 72 V systems
- Capacity options: 20 Ah, 25 Ah, 30 Ah, 35 Ah, and 40 Ah for extended range
- High‑output 2000 W motor support – perfect for hill climbing and off‑road adventures
- Advanced lithium‑ion cells provide up to 1,500 cycles with minimal capacity loss
- Integrated Battery Management System (BMS) ensures safety, over‑charge, over‑discharge, and short‑circuit protection
- Quick charge capability: 0 % to 80 % in under 3 hours with the supplied charger
- Low‑profile downtube fit preserves bike aesthetics and maintains handling balance
- Water‑resistant (IPX4) rating protects against splashes and light rain
Why Choose SilverFish?
The SilverFish battery combines premium German‑engineered lithium chemistry with a rugged, lightweight aluminum housing. Its modular design allows easy upgrades or replacements, while the built‑in BMS extends lifespan and keeps your ride safe. Whether you’re commuting, touring, or tackling rugged trails, SilverFish delivers reliable power when you need it most.
Technical Specifications
- Voltage: 36 V / 48 V / 52 V / 60 V / 72 V (selectable)
- Capacity: 20 Ah, 25 Ah, 30 Ah, 35 Ah, 40 Ah
- Energy: 720 Wh – 2,880 Wh (depending on voltage & capacity)
- Continuous Power Output: 2000 W
- Cell Type: High‑density Li‑ion (NCM/NCA)
- Dimensions (L × W × H): 460 mm × 70 mm × 30 mm (varies by capacity)
- Weight: 5.8 kg – 10.2 kg (depending on capacity)
- Operating Temperature: –10 °C to +45 °C
- Connector: Standard XT‑60 / XT‑90 (compatible with most e‑bike controllers)
Compatibility
Designed for a broad range of electric bikes, the SilverFish downtube battery fits most frame styles that support a downtube or rear‑triangle mount. Ideal for:
- City commuters
- Mountain e‑bikes
- Fat‑tire adventure bikes
- Custom build e‑bike projects
Installation & Maintenance
Installation is straightforward with the included mounting brackets and hardware. Simply slide the battery into the downtube, secure with the brackets, and connect the plug. For optimal performance, store the battery in a cool, dry place when not in use and perform a full charge cycle every 2‑3 months.
Package Includes
- SilverFish downtube lithium battery (selected voltage & capacity)
- High‑speed charger (compatible with chosen voltage)
- Mounting brackets and hardware
- User manual & safety guide
Boost your e‑bike’s performance with the SilverFish 36‑72V downtube lithium battery – the ultimate blend of power, reliability, and sleek design.
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