Varstrom 2026 NEW Generation High-Capacity Downtube E-Bike Battery Line – Premium 48V / 52V Power Cores with 40A BMS & Genuine Tier-1 21700 Cells (Samsung, LG, EVE)

Unleash pure acceleration and experience elite range capacity. The Varstrom 2026 NEW Generation Electric Bicycle Battery Line represents the pinnacle of micro-mobility power distribution. Engineered explicitly to feed power-hungry 250W to 2000W high-power drivetrains, these premium frameset-mounted packs feature upgraded, continuous 40A Battery Management Systems (BMS) on select high-capacity blocks to comfortably eliminate voltage sag during intense hill climbs.

Ditch unbranded generic cells that leave you stranded. Our 2026 flagship arrays utilize genuine, factory-fresh 21700 and 18650 cylindrical cells from global leaders Samsung, LG, and EVE, guaranteeing over 1000+ deep charge cycles before hitting early performance drop-offs.

🚀 Key High-Performance Features

• Elite Motor & Protocol Integration: Pre-calibrated to deliver stable throttle current into premium mid-drive conversion lines and heavy hub kits, including Bafang BBS01B, BBS02B, BBSHD, TongSheng TSDZ2B, TSDZ8, TSDZ16, and professional Bafang CAN-bus infrastructure.

• Tier-1 Genuine Cell Sourcing: Built with authentic premium cell configurations such as LG INR21700M50LT, Samsung 21700, and EVE INR21700-50E matrices for lower thermal load and rock-solid internal resistance.

• Continuous 40A Heavy-Duty protection BMS: Integrated into our high-capacity models to cleanly handle extreme 2000W instantaneous peak power draws while ensuring balanced cell charging over long-range loops.

• Ultra-Fast 1–7 Day Domestic Dispatch Grid: Processed and dispatched directly from localized regional United States, United Kingdom, France, Poland, and Spain warehouses for near-zero delivery downtime.

• 8-Stage Smart Defense Matrix: Features continuous automated circuit checks that track cell voltage balance, short circuits, deep overdischarges, high temperatures, and structural overvoltages.

📊 2026 Custom Component & Cell Configuration Matrix

Use our variant dropdown options above to choose the exact voltage, amp-hour capacity, chassis profile, and charger bundle required for your controller configuration:

⚙️ Environmental Charging & Discharging Parameters

• Constant Charging Loop Profile: Multi-Stage CC/CV (Constant Current / Constant Voltage) interface.

• Safe Charging Temperature Window: 0°C to 45°C

• All-Weather Extreme Discharging Operating Range: -15°C to 65°C (Engineered to survive blistering summer heat waves and sub-zero winter commutes).

• Safety Certification Standard: Independently verified to pass complete CE quality compliance parameters with no harmful chemicals (High-concerned chemical: None).

📦 What's Inside the Box?

• 1 x Varstrom 2026 NEW Generation Premium Electric Bicycle Battery Pack

• 1 x Heavy-Duty Rigid Docking Plate / Mounting Base with Frame Fasteners

• 1 x Dedicated Multi-Stage Smart CC/CV Wall Charger (2A, 3A, or 4A Model Matching Selection)

• 2 x Ergonomic Anti-Theft Mechanical Lock Keys

• 1 x Factory Discharge Wire Assembly Tailored to Controller Leads

Bring your high-torque Bafang mid-drive motor to its absolute potential with genuine Samsung or LG 21700 cells. Select your performance configuration options below, click Add to Cart, and secure your 2026 upgrade today!

Varstrom x 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 960 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 overcurrent, overvoltage, 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. 🚴♀️✨

BatteryPackingList📝:

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