48V 15Ah High-Capacity Folding E-Bike Replacement Lithium-Ion Battery Pack –

 Extended 25–40 Mile Range with Integrated Anti-Theft Lock, Mounting Slide Rails, Built-in BMS & UL Safety Certification

Restore peak range and performance to your electric folding bike with this high-efficiency 48V 15Ah Rechargeable Lithium-Ion Battery Pack. Engineered specifically to fit standard folding e-bike frames, this compact power module delivers an extended 25 to 40 miles of riding range per charge (depending on terrain, rider weight, and pedal-assist levels), making it the ultimate replacement or spare pack for daily urban commutes and leisure trips.

Built with an integrated Battery Management System (BMS) to actively guard against short circuits, overcharging, and thermal spikes, this complete battery kit comes equipped with a key-operated anti-theft locking mechanism, heavy-duty mounting slide rails, installation hardware, and a dedicated charging port for hassle-free indoor or on-bike charging.

⚠️ Compatibility & Frame Fitment Guide

IMPORTANT FITMENT & RANGE CHECKLIST:

• Folding Frame Compatible: Specifically designed to fit standard folding electric bike frame compartments, rear racks, or seat-post slide rails.

• 25–40 Mile Real-World Range: 15Ah energy storage capacity provides up to 40 miles of pedal-assist travel on a single full charge cycle.

• Anti-Theft Security: Integrated mechanical key lock secures the battery firmly to the slide rail base to prevent theft when parked in public.

• UL Certified Safety: Manufactured and tested to meet strict UL electrical safety standards for lithium battery systems.

🚀 Key High-Performance Features

• High-Density 48V 15Ah Capacity: Delivers stable, continuous 48V power to eliminate voltage sag during hill climbs and heavy acceleration.

• Integrated Anti-Theft Locking System: Key-operated frame lock keeps your battery secured to the bike frame while allowing quick key-release for indoor charging.

• Complete Mounting Hardware Kit: Includes slide rail mounting bracket and essential installation accessories for simple plug-and-play setup.

• Built-in Smart BMS Protection: Real-time cell balancing safeguards against over-voltage, under-voltage, over-current spikes, and short circuits.

• Dual Charging Flexibility: Charge the battery while mounted directly on your folding bike or key-unlock and remove it for convenient desktop charging.

📊 Technical Specifications Matrix

⚙️ Installation & Charging Sequence

1. Mount Slide Rails: Secure the included slide rail mounting bracket onto your folding bike frame using the provided mounting hardware.

2. Slide & Lock Pack: Align the battery along the tracks, slide it into place until fully seated, and turn the key to the locked position to engage the power contact pins.

3. Connect to Controller: Attach the discharge output lead directly to your folding e-bike motor controller inputs (ensure matching polarity).

4. Charging Procedure: Insert the charger lead into the battery port before plugging into an AC wall outlet. The charger indicator light turns green when fully charged.

📦 Package Contents

• 1 x 48V 15Ah Lithium-Ion Battery Pack with Integrated Smart BMS

• 1 x Heavy-Duty Slide Rail Base & Hardware Mounting Accessories

• 2 x Anti-Theft Security Keys

• 1 x User Care & Maintenance Manual

Restore long-distance range and security to your electric folding bike. Verify your frame dimensions, click Add to Cart, and get back on the road today!