36V 40AH Smart Lithium Battery

Power Redefined with Samsung Cells & Bluetooth Control

• Experience unparalleled power and endurance with our 36V 40AH lithium battery, engineered with 80 authentic Samsung 21700 50G cells in a precise 10S 8P configuration. This high-capacity powerhouse, housed in a robust metal shell, is designed for demanding applications like e-bikes and electric scooters, delivering reliable energy and long-lasting performance. For your convenience, it comes complete with a 42V 5A fast smart charger to minimize downtime and keep you on the move.

• Elevate your user experience with advanced smart technology. The integrated Bluetooth BMS allows for real-time monitoring of key metrics such as voltage, current, and temperature directly from your smartphone. Gain peace of mind and ultimate control with the ability to remotely manage charge and discharge functions, ensuring both optimal performance and enhanced safety for your equipment.

• We prioritize your safety without compromising on convenience. This battery features excellent waterproofing and multiple built-in protection circuits. As an added bonus, we include a free explosion-proof safety bag, which not only provides a critical layer of safety but also protects the battery's sleek metal exterior from scratches and damage, maintaining its pristine look over time.

Premium Power, Guaranteed

Authentic Samsung 50G Cells Inside

We believe your battery is only as good as the cells inside. That's why at the heart of our 36V 40AH battery, you'll find 80 genuine Samsung 21700 50G cells—not generic or recycled alternatives. This commitment to premium components ensures you get unmatched performance, safety, and longevity.

Why This Matters for You:

• Extended Runtime & Range: Each Samsung 50G cell boasts a high 5000mAh capacity, directly translating to longer usage time and greater distance on a single charge for your e-bike, scooter, or other devices.


• Uncompromised Safety & Reliability: Samsung is a globally trusted brand in battery technology. By using authentic cells, we guarantee stable power output, built-in safety mechanisms, and peace of mind that off-brand cells cannot match.


• Next-Generation Efficiency: The modern 21700 format offers superior energy density compared to older 18650 cells, meaning you get more power in a compact and robust package.


• Long-Term Investment: Designed for a high cycle life, these cells ensure your battery delivers reliable power for years, making it a smarter and more durable investment.

Smart Bluetooth BMS: Total Control at Your Fingertips

Monitor, Protect, and Manage Your Power Remotely

Go beyond a basic battery. Our integrated Smart Bluetooth BMS (Battery Management System) transforms your power source into an intelligent, connected device. Simply connect to the free mobile app to gain unprecedented insight and control over your battery's performance and health.

Why Our Smart BMS is a Game-Changer for You:

• Real-Time Data Monitoring: See it all, right on your phone. Track voltage, current, remaining capacity (State of Charge), temperature, and cycle count. No more guessing how much power you have left or how your battery is performing.
• Proactive Safety & Protection: Your peace of mind is our priority. The BMS actively guards against over-charging, over-discharging, short circuits, and over-current. It also monitors cell balance to ensure long-term health and prevent damage.
• Remote Control Freedom: Take full command. Use the app to remotely turn your battery ON or OFF. This is perfect for preventing drain during storage, enhancing security, or conveniently cutting power to your device without physical contact.
• Diagnostics & History: Be an informed owner. Access historical data and performance logs to understand your usage patterns and identify any potential issues before they become serious problems.

Safety First: Our Uncompromising Commitment

Built with Protection, Designed for Peace of Mind

Your safety is our top priority. Every aspect of this battery, from its core components to its external armor, is engineered with multiple layers of protection. To ensure years of reliable and safe operation, please adhere to the following guidelines.

Essential Safety Guidelines for Optimal Use:

• Use Only the Provided Charger: Always use the included 42V 5A smart charger. Incompatible chargers can cause overcharging, fire, or permanent damage to the battery and void the warranty.
• Store and Use in a Dry, Cool Place: Avoid exposing the battery to direct sunlight, rain, or temperatures outside the range of -10°C to 45°C (14°F to 113°F) for extended periods. Never charge a battery that is below freezing (0°C / 32°F).
• Avoid Physical Abuse: While our metal shell is highly durable, do not puncture, crush, or disassemble the battery. Severe physical damage can compromise internal safety systems.
• Utilize the Explosion-Proof Bag for Storage & Transport: We provide a free safety bag for a reason. Please use it during prolonged storage or transportation to add a critical layer of containment and protection.