SPECIFICATIONS

36V13Ah 468Wh Hailong Battery: Grade A 18650 2600mah 10s5p 50PCS (2A Charger)

36V15.6Ah 561.6Wh Hailong Battery: Grade A 18650 2600mah 10S6P 60PCS (4A Charger)

36V24Ah 864Wh Hailong MAX Battery: L-G 21700 4800mah 10s5p 50PCS (4A Charger)

48V13Ah 624Wh Hailong Battery: Grade A 18650 2600mah 13S5P 65PCS (2A Charger)

48V16Ah 768Wh Hailong Battery: Grade A 18650 3200mah 13S5P 65PCS (4A Charger)

48V20Ah 960Wh Hailong MAX Battery: Sa-m*sung 21700 5000mah 13S4P 52PCS (4A Charger)

48V25Ah 1200Wh Yingwu Battery: EVE INR21700-50E 5000mAh 13S5P 65PCS (3A Charger) 40A BMS

48V30Ah 1440Wh Hailong Battery: L-G INR21700M50LT 5000mAh 13S6P 78PCS (4A Charger) 40A BMS

52V20Ah 1040Wh Yingwu Battery: Sa-m*sung 21700 5000mah 14S4P 56PCS (3A Charger)

52V25Ah 1300Wh Yingwu Battery: L-G INR21700M50LT 5000mAh 14S5P 60PCS (3A Charger) 40A BMS

Applicable Motor Model: BBS02B / BBS01B / BBSHD / TSDZ2B / TSDZ8 / TSDZ16 / H400B / G020 / G0900 / G062 / SUTTO / JYLT / Varstrom Motor

Applicable Motor Power: 250W 350W 500W 750W 1000W 1200W 1500W 2000W

Battery Version: Downtube Battery

Brand Name: varstrom

Capacity: 21 - 30Ah

Certification: CE

Charing competitor: 2A - 4A

Delivery Time: 1 - 7 Day Delivery

High-concerned chemical: none

Life Cycle: 1000 Times+

Maintain Point: United States

Origin: Mainland China

Product Type: Electric Bicycle Battery

Protection Function: over-current protection, over-voltage protection, overload protection, over-charging protection, over-discharge protection, temperature control protection, short circuit protection, cell voltage balance

Temperature Discharge: -15-65 ℃

Temperature load: 0-45 ℃

Type: Lithium battery

Voltage: 36V/48V/52V

Warranty: One Year

Way of Charge: CC/CV

Varstromx Hai-long

E-Bike Battery

Power Your Journey with Confidence & Smart Design

Tired of range anxiety and complicated setups? Meet your e-bike's perfect partner. The Varstrom x Hai-long Downtube/Rack Battery isn't just a power source; it's the heart of a smarter, longer, and more secure riding experience, built with the quality you expect from a trusted name.

📦 Sleek Design, Universal Fit & Substantial Power

We've engineered this battery with a compact form factor to integrate seamlessly with most bicycle frames, whether you prefer the sleek, low-profile downtube mounting or the versatile rear rack setup. Its unassuming size belies the substantial energy within. Built with high-grade, genuine 18650 or 21700 lithium-ion cells, it delivers a robust capacity of up to 1440 Watt-hours. This translates to extended range for your adventures, allowing you to explore farther, commute without frequent recharges, and truly enjoy the freedom of electric assist.

🔌 Wide Compatibility & Ready to Connect

Designed for versatility, this battery is the universal key to unlocking your e-bike's potential. It works flawlessly with popular conversion kits from BAFANG and TONGSHENG, whether you have a mid-drive or hub motor system. Available in 36V, 48V, and 52V configurations, it suits a wide array of DIY e-bike projects and ready-made electric bicycles. It comes standard with a secure XT60 female connector for reliable performance. Need a different connector? Our team is just an email away to provide a tailored solution.

🛡️ Built-in Safety & Intelligent Protection

Your safety is our priority. The battery installs securely in its designated mount (a locking key is provided for theft deterrence), but the real peace of mind comes from within. We've integrated a comprehensive multi-protection circuit management system. It diligently guards against over-current, over-voltage, over-discharge, short circuits, and temperature extremes. This multi-layered protection actively ensures safe operation, preserves the battery's long-term health, and protects your valuable e-bike system.

💡 Multi-Feature Convenience for the Modern Rider

This battery is designed for real-world use. Charging is simple and secure via the reliable XLR charging port. The removable design offers ultimate flexibility: charge it conveniently anywhere, or even carry a spare for ultra-long journeys. A clear charge level indicator LED lets you check the remaining power at a glance, while the physical power switch adds an extra layer of safety and control, preventing accidental discharge during storage or transport.

⚡ Why This Battery is Your Best Choice:

· Trusted Power: High-capacity, genuine cells for reliable, long-lasting performance.

· Universal Partner: Broad compatibility with major motor systems and voltages.

· Safety First: Advanced electronic protection for worry-free riding.

· User-Centric Design: Removable, lockable, and easy to monitor.

Ready to upgrade your ride with dependable, high-performance power? The Varstrom x Hai-long Battery is the intelligent foundation for your next e-bike adventure. 🚴♀️✨

2026 NEW Yingwu 25Ah Battery & Hailong 30Ah BatteryBatteryPackingList📝:

1 pc Battery (Optional)

1 pc Battery Charger

1 pc Battery Manual

1 pc XT60 Port Motor Battery Connector Cable

1 set of Screws

2 pcs Battery Keys

Global Warehouse & Service Commitment

Our Commitment to You

🔹 Delivered Duty Paid(DDP)Assurance

For customers in the following countries, all taxes and import duties are pre-paid by us, ensuring a hassle-free delivery experience:

France, Spain, Netherlands, Italy, Bulgaria, Belgium, Latvia, Poland, Denmark, Finland, Portugal, Sweden, Slovakia, Slovenia, Greece, Hungary, Czech Republic, Lithuania, Luxembourg, Romania, Ireland, Estonia, Croatia.

🔹 Rapid, ReliableDelivery

Your order will be dispatched from our nearestEU or UKwarehouse for lightning-fast transit. Most deliveries arrive within2–7business days (excluding remote regions).

Note:For logistical reasons, we currently cannot deliver to island addresses. If your location is on an island, kindly provide an alternative mainland address during checkout.

🔹 ComprehensiveWarranty& Support

 Motor & Battery:12months quality warranty for motor and battery

 Accessories & Parts:30-daywarranty for quality assurance.

Local Expertise:Our network of certified service centers across the EU and UK ensures prompt repairs and support.