aimjin 52V 17.5Ah (17500mAh) 14S5P 18650 High-Power Lithium-Ion E-Bike & Scooter Battery Pack –

Built-in Smart BMS Protection Board for 500W–1500W Motors (CE Certified)

Power up your off-road trail rides, mountain bikes, and high-performance commuters with the aimjin 52V 17.5Ah 14S5P High-Power Lithium-Ion Battery Pack. Constructed using a premium 70-cell configuration (14 series × 5 parallel) of grade-A 18650 lithium-ion cells, this compact 52V pack delivers sustained discharge output for e-bike hub motors, mid-drives, and electric scooters rated from 500W up to 1500W.

At just 260 × 110 × 70 mm and weighing under 6.5 lbs (2.94 kg), this energy-dense pack provides a sleek form factor for custom soft-pack installations, frame bags, or under-deck scooter compartments. Equipped with an integrated smart Battery Management System (BMS), it continuously monitors cell balance while safeguarding against short circuits, overcharging, over-discharging, and thermal overload.

⚠️ Charger & Voltage Compatibility Notice

CRITICAL VOLTAGE & CHARGING GUIDANCE:

• 52V NOMINAL / 58.8V MAX: Designed strictly for 52V systems requiring a maximum charge cut-off voltage of 58.8V DC. Always use a matching 58.8V Li-ion charger.

• 500W – 1500W Motor Support: Optimized for motor controllers pulling continuous current within 500W to 1500W ratings.

• Integrated Smart BMS: Built-in circuit protections automatically cut off power during high-temperature anomalies or over-current conditions to prevent thermal runaways.

🚀 Key High-Performance Features

• 52V 17.5Ah High-Density Capacity: Delivers 17,500mAh of continuous energy for extended range on mountain bikes, cargo builds, and commuters.

• Robust 14S5P Cell Architecture: Built with 70 premium 18650 cells to balance high current delivery with long cycle stability.

• Built-in Smart BMS Protection: Protects against over-charge, over-discharge, over-current, short-circuits, and cell imbalances.

• Compact & Lightweight Design: Compact dimensions (260 × 110 × 70 mm) make it ideal for frame bags, rear racks, or custom enclosure builds.

• Long Service Life: Engineered for 1000+ deep recharge cycles with minimal capacity fade over time.

📊 Technical Specifications Matrix