EXALZ Hailong Down-Tube Lithium-Ion Battery Pack
EXALZ Hailong Down-Tube Lithium-Ion Battery Pack
EXALZ High-Capacity Down-Tube Hailong E-Bike Battery Pack –
36V / 48V / 52V Options (9Ah to 20Ah Capacities) with Integrated 30A BMS, USB Port & Smart Fast Charger (Optimized for Bafang BBS02, BBS03 & BBSHD Motors)
Supercharge your mid-drive conversion or custom electric bicycle build with the high-performance EXALZ Hailong Down-Tube Lithium-Ion Battery Pack. Available in 36V, 48V, and high-voltage 52V options with capacities ranging from 9Ah up to 20Ah, this energy module is specifically engineered to power high-torque hub and mid-drive motor kits, including the Bafang BBS02, BBS03, and BBSHD.
Equipped with an integrated 30A Smart Battery Management System (BMS) for active thermal and voltage regulation, this battery features a built-in 5V USB charging port to power your smartphone or GPS unit on the go. Complete with a lockable quick-release mounting bracket and matching lithium charger, the EXALZ Hailong series delivers maximum range, stable voltage output, and dependable power for your daily commutes and off-road trails.
⚠️ Mid-Drive Compatibility & Dimensions Guide
IMPORTANT FITMENT & SYSTEM MATCHING CHECKLIST:
Bafang Mid-Drive Approved: Fully tested and compatible with Bafang BBS02 (500W/750W), BBS03, and BBSHD (1000W+) motor controllers, as well as hub motor setups and trolling motors.
Physical Dimensions: Compact Hailong frame housing measures 360mm x 90mm x 110mm (14.17" L x 3.54" W x 4.33" H). Fits standard water bottle cage mounting bosses.
30A Smart BMS Protection: Integrated 30A BMS ensures high continuous discharge currents with zero voltage sag under heavy motor loads.
Includes Charger & USB Port: Every battery includes a matching smart AC fast charger and a built-in 5V USB output port.
🚀 Key High-Performance Features
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Tailored Voltage & Capacity Selection: Choose between 36V, 48V, or 52V platforms across capacities from 9Ah to 20Ah to match your speed, torque, and range requirements.
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Optimized for Bafang BBS Series: Engineered to handle the sustained current draws demanded by Bafang BBS02, BBS03, and BBSHD motor systems.
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Built-in 30A Smart BMS: Real-time cell monitoring protects against over-charging, deep discharge, short circuits, and thermal spikes while maintaining balanced cell voltage.
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Integrated 5V USB Power Port: Onboard USB port allows convenient charging for mobile phones, cycle computers, and bike lights during rides.
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Quick-Release Frame Mount & Key Lock: Securely bolts to your down-tube water bottle bosses with a key-locking mechanism for theft protection and easy indoor charging.
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CE & KC Safety Certified: Built to rigorous European and Asian international safety and quality standards.
📊 Technical Specifications Matrix
| Specification Parameter | EXALZ Hailong Battery Specifications |
| Brand Name | EXALZ |
| Casing Style | Down-Tube Hailong Case with USB Port |
| Voltage Options | 36V / 48V / 52V DC |
| Capacity Range | 9Ah / 12Ah / 15Ah / 17.5Ah / 20Ah Options |
| Protection System | Integrated 30A Smart BMS Board |
| Motor Compatibility | Bafang BBS02, BBS03, BBSHD, Hub Motors, Trolling Motors |
| Dimensions | 360mm × 90mm × 110mm (14.17" × 3.54" × 4.33") |
| Unit Weight | 2.9 kg – 4.4 kg (6.4 lbs – 9.7 lbs depending on capacity) |
| Auxiliary Ports | 5V USB Charging Port for Mobile Devices |
| Included Accessories | Matching Fast Charger & 2 Locking Keys Included |
| Certifications | CE, KC Certified |
⚙️ Installation & Operating Instructions
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Mount Bracket: Screw the Hailong base bracket securely onto your frame's down-tube bottle cage bosses.
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Connect Controller: Join the base plate’s power output cable to your motor controller (Bafang or standard controller), ensuring correct polarity (+ to +, - to -).
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Lock & Ride: Slide the battery pack onto the track until fully seated, turn the key to the locked position, and switch the battery power button ON.
📦 Package Contents
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1 x EXALZ Hailong Lithium-Ion Battery Pack with Integrated 30A BMS & 5V USB Port
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1 x Lockable Down-Tube Base Mounting Plate with Discharge Lead
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1 x Smart Automatic Lithium Battery Fast Charger
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2 x Security Lock Keys
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1 x User Installation & Care Sheet
Power your Bafang mid-drive setup with reliable EXALZ Hailong power. Select your voltage and capacity options below, then click Add to Cart to upgrade your ride today!
36V/48V/52V 18650 Hailong E-bikeLithium-Ion Battery Pack
• 36V/48V/52V multi-voltage compatibility for electric vehicles
• 25A-30A continuous discharge capacity with 60A peak performance
• Advanced thermal management (-15°C to 65°C operational range)
• Five-layer safety protection system (OVP/OCP/SCP/Short Circuit/Balancing)
Parameter Details
36V Specification
Voltage: 36V (Nominal) / 42V (Charge) / 28V (Cut-off)
Cells: 18650 Lithium-ion
Dimensions: 360×90×110mm
Way of Charge: CC/CV
Charge Temperature:-15-65℃
Discharge Temperature:-15-65℃
Discharge Current: 25A (Continuous) / 60A (Peak)
Cycle Life: 1000 cycles (≥80% capacity retention)
Protection: Overcharge/Over-discharge/Overcurrent/Short Circuit/Balancing
48V Specification
Voltage: 48V (Nominal) / 54.6V (Charge) / 36.4V (Cut-off)
Cells: 18650 Lithium-ion
Dimensions: 360×90×110mm
Way of Charge: CC/CV
Charge Temperature:-15-65℃
Discharge Temperature:-15-65℃
Discharge Current: 30A (Continuous) / 60A (Peak)
Cycle Life: 1000 cycles (≥80% capacity retention)
Protection: Overcharge/Over-discharge/Overcurrent/Short Circuit/Balancing
52V Specification
Voltage: 52V (Nominal) / 58.8V (Charge) / 39.2V (Cut-off)
Cells: 18650 Lithium-ion
Dimensions: 360×90×110mm
Way of Charge: CC/CV
Charge Temperature:-15-65℃
Discharge Temperature:-15-65℃
Discharge Current: 30A (Continuous) / 60A (Peak)
Cycle Life: 1000 cycles (≥80% capacity retention)
Protection: Overcharge/Over-discharge/Overcurrent/Short Circuit/Balancing
Usage Scenarios
✓ Electric bicycles & scooters
✓ eMTB,eRoad, eTour, and eCity bikes
✓ Commercial delivery vehicles requiring high torque output
✓ Emergency power backup for outdoor equipment
✓ Safety Assurance: Cell balancing system maintains voltage consistency
✓ Temperature Control: Operates reliably in extreme climates (-15°C to 65°C)
✓ Universal Compatibility: Supports multiple vehicle models through adjustable terminals
Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.
We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.
