Saibaike 48v 25ah Ebike Battery - 40A BMS

The Saibaike 25Ah lithium-ion e-bike battery is a high-capacity energy system developed for riders who demand exceptional range, sustained output and elevated current capability. Equipped with a robust 40A battery management system, it delivers controlled power flow and advanced protection for performance-focused electric bikes.

Designed for endurance riding, cargo applications and high-output motor systems, this battery offers impressive energy density within a durable, refined casing. Its advanced internal architecture supports stable voltage delivery under load, ensuring confident and consistent performance even during demanding riding conditions.

Featuring a modern case design with illuminated capacity indicator, integrated power button and secure frame locking system, the Saibaike battery blends technical excellence with premium usability.

Key Benefits

• Ultra high 25Ah capacity for extended range and endurance riding
• Powerful 40A battery management system for controlled high-current output
• High-density 21700 lithium-ion cells for stability and long service life
• Refined case design with illuminated battery level indicator
• Integrated power button and secure frame locking system
• Water-resistant housing engineered for durability and daily reliability
• Fast-charge capable architecture supporting higher output chargers

Technical Specifications

• Nominal voltage options: 48V or 52V
• Rated capacity: 25Ah
• Cell type: premium 21700 lithium-ion power cells
• Cell configuration: 13S5P (48V) or 14S5P (52V)
• Battery management system: 40A
• Compatible motor range: 500W to 1500W
• Charge current: 3A
• Charge cut-off voltage: 54.6V (48V) or 58.8V (52V)
• Discharge cut-off voltage: 36.4V (48V) or 39.2V (52V)
• Cycle life: retains at least 80% capacity after approximately 800 cycles
• Battery dimensions: 368 × 96 × 155 mm
• Battery weight: approximately 5.8 to 6kg
• Operating temperature (discharge): −20°C to 65°C
• Operating temperature (charge): 0°C to 45°C
• Charging interface: five-pin charging port
• Included charger: 3A charger