S039-3 Downtube 48V 13Ah Ebike Battery with 2A Charger

The Sojo-3 downtube battery delivers a sophisticated energy solution for modern 48V electric bike systems. Designed to mount cleanly along the frame, its streamlined profile enhances both visual refinement and riding balance, integrating naturally into premium e-bike builds.

With a 13Ah capacity, this battery is ideally suited to daily commuting and leisure riding, providing consistent, efficient output across varied terrain. Power delivery remains smooth and controlled, supporting confident riding whether navigating urban environments or extended weekend routes.

Constructed using high-grade 18650 lithium-ion cells and managed by an advanced 30A battery management system, the Sojo-3 is engineered for stability, longevity and refined performance. Supplied with a matched charger and mounting base, it offers a complete premium power solution ready for seamless integration.

Key Benefits

• 13Ah high-efficiency capacity ideal for daily and leisure riding
  
• Stable 48V output for smooth, responsive motor performance
• High-grade lithium-ion cells for dependable long-term operation
• Advanced 30A battery management system for controlled power delivery
• Streamlined downtube design for clean integration and improved balance
• Supplied with charger and mounting base for complete installation

Technical Specifications

• Nominal voltage: 48V
• Nominal capacity: 13Ah
• Battery cell type: premium 18650 lithium-ion cells
• Battery chemistry: Li(NiCoMn)O₂
• Compatible motor range: 250W to 1000W
• Battery management system: 30A
• Discharge cut-off voltage: 36.4V
• Charge cut-off voltage: 54.6V
• Charger output: 2A
• Discharge connector: small Anderson
• Battery dimensions: 365 × 90 × 110 mm
• Gross battery weight: approximately 6kg
• Cycle life: up to 1000 charge cycles
• Charging temperature range: 0°C to 45°C
• Discharging temperature range: −20°C to 60°C
• Warranty: 1 year