A high-quality 72V ebike battery ensures you get consistent power delivery for faster speeds, longer range, and better hill-climbing ability. It also keeps your battery safe from overheating, overcurrent, and other common risks, thanks to advanced Battery Management Systems (BMS). Plus, the right battery design makes installation simple and convenient, seamlessly fitting into your bike’s frame without added bulk.
At KirbEbike, we prioritize premium components and smart engineering. Our 72V 20Ah lithium battery uses top-tier Samsung 21700 cells known for their durability and thermal stability providing you with a battery that not only powers your ride but also stands the test of time.
Whether you’re a daily commuter, an off-road adventurer, or a speed enthusiast, choosing the right 72V battery is the foundation for a reliable, powerful, and enjoyable ebike journey.
72V 20Ah Lithium Battery Overview
KirbEbike’s 72V 20Ah lithium battery is engineered to deliver exceptional power, long-lasting performance, and reliable safety features for high-voltage ebike systems. Designed with premium Samsung 21700 50S cells, this battery combines cutting-edge technology with practical design to meet the demands of modern riders.
Premium Cell Technology: The Samsung 21700 50S cells are renowned for their high current discharge capabilities, low heat generation, and outstanding cycle life. These cells ensure that your battery maintains stable performance even during intense rides, providing steady power without overheating.
Capacity and Voltage: With a nominal voltage of 72V and a substantial 20Ah capacity, this battery offers a robust energy reserve that supports long-range rides. When fully charged, it reaches 84V, delivering consistent high voltage output that’s perfect for powering motors rated between 3000W and 5000W.
Compact Triangle Design: The battery’s unique triangle shape is crafted for easy and secure installation within the bike frame. This space-saving design enhances weight distribution and helps maintain the sleek look of your ebike.
Fast Charging Capability: KirbEbike includes a 5A fast charger with this battery, allowing a full charge in just 4-5 hours. This means less downtime and more time on the road.
Long Cycle Life: Rated for over 800 full charge-discharge cycles, this battery promises years of dependable use without significant loss in capacity, giving you excellent value over time.
Key Battery Features Explained
KirbEbike’s 72V 20Ah lithium battery comes packed with thoughtful features designed to enhance your riding experience, safety, and convenience. Understanding these features will help you appreciate why this battery stands out as a top choice for high-performance ebike setups.
1. High-Power 3-Pin Charge Port: The battery uses a robust 3-pin charge port that supports high current input, allowing for faster and safer charging. This ensures that the battery can handle the 5A fast charger efficiently without overheating or voltage drops.
2. Stainless Steel Power Switch: Built with durability in mind, the battery’s power switch is crafted from stainless steel and offers a simple on/off function. This gives you easy control to safely power down your battery when not in use, protecting it from accidental drains or damage.
3. Built-in USB Type-C Port: For added convenience, the battery includes a 1A USB Type-C port, allowing you to charge your mobile phone or other small electronic devices on the go. This feature makes your ebike battery a versatile power source beyond just riding.
4. Battery Voltage Indicator: The integrated voltage indicator provides a quick visual check of your battery’s charge level. When the indicator reaches 100%, it means the battery is fully charged to approximately 84V. This helps you plan your rides and charging sessions efficiently.
5. Advanced 60A Battery Management System (BMS): Safety is paramount with KirbEbike’s battery, which features a 60 Amp continuous discharge BMS. This system protects against overheating, overcurrent, overvoltage, and short circuits, ensuring your battery operates reliably and safely even under heavy loads of 3000W to 4000W power.
6. Compact Triangle Design for Easy Installation: The triangle shape is optimized to fit securely within a variety of bike frames, providing a clean and balanced look. Its compact size (360.6159.340mm) allows for efficient space use without adding excessive weight.
7. Rapid Charging Time: Thanks to the high-quality cells and charger, the battery can reach full charge in just 4 to 5 hours, ideal for riders who need quick turnaround times between rides.
Performance Benefits for Different Ebike Kits
KirbEbike’s 72V 20Ah lithium battery is designed to be highly versatile, delivering outstanding performance across a range of ebike kits from powerful 2000W motors up to high-output 5000W setups. Here’s how it enhances your ride no matter the kit you choose:
1. High Voltage for Increased Power and Speed: The 72V nominal voltage (up to 84V fully charged) allows your motor to draw more power efficiently. This means smoother acceleration, higher top speeds, and better torque perfect for hill climbing, off-road riding, or fast commuting.
2. Consistent Performance Over Long Distances: With a substantial 20Ah capacity, this battery supports longer rides without frequent recharging. Expect ranges between 50 to 100+ kilometers depending on terrain and motor efficiency, giving you the freedom to explore further without range anxiety.
3. Efficient Power Delivery for Mid-Drive and Hub Motors: Whether you’re running a 3000W mid-drive kit for trail adventures or a 4000W hub motor for street speed, the battery’s high current discharge capability ensures stable and continuous power, preventing voltage sag and maintaining performance even under heavy loads.
4. Fast Recharge Minimizes Downtime: The included 5A fast charger means you can get back on the road in just 4–5 hours. This is especially beneficial for daily commuters or multi-ride adventurers who need quick turnarounds.
5. Enhanced Safety for High-Power Systems: The advanced 60A BMS protects your battery and ebike system during intense power draws, ensuring reliable performance without overheating or damage even on aggressive rides with high wattage demands.
6. Flexibility Across Multiple Ebike Configurations: Thanks to its compact triangle design and universal compatibility, this battery fits a wide range of frames and setups. It’s equally suited for fat bikes, mountain bikes, or custom builds, allowing riders to upgrade or switch kits without changing their power source.
Compatibility with 72V 3000W, 2000W, and 5000W Kits
KirbEbike’s 72V 20Ah lithium battery is engineered to seamlessly integrate with a variety of high-performance ebike kits, ensuring you get the most out of your electric ride no matter the motor size:
1. 72V 3000W Ebike Kits
Ideal for riders who want a powerful boost without going to extreme levels, the 72V 20Ah battery delivers stable current output to maintain consistent speed and torque. It supports mid to high-discharge rates needed for demanding terrains and fast acceleration, making it a perfect match for 3000W motors used in urban or light off-road riding.
2. 72V 2000W Ebike Kits
For riders seeking a balance between power and efficiency, the battery provides more than enough capacity and voltage to ensure smooth operation. It helps 2000W motors achieve sustained speeds and longer distances without voltage drops, maximizing the kit’s range and reliability.
3. 72V 5000W Ebike Kits
When paired with ultra-high-power 5000W kits, the 72V 20Ah battery supports high current discharge rates needed for extreme acceleration and torque. Its robust BMS and premium Samsung cells provide essential protection and stability, making it suitable for aggressive off-road riders or those requiring top-tier performance.
- 60A Continuous Discharge: Supports high current demands across all compatible motors.
- Triangle Frame Fit: Easy installation in most bike frames.
- Fast Charging: Ensures minimal downtime between rides regardless of kit power.
- Safety and Longevity: Advanced BMS protects battery health during intense use.
Safety and Reliability: Why KirbEbike Stands Out
KirbEbike prioritizes rider safety and battery reliability above all. Our 72V 20Ah lithium battery is built with premium Samsung 21700 50S cells known for their superior thermal stability and low heat generation. This means safer rides with minimal risk of overheating or battery failure.
The advanced 60A Battery Management System (BMS) actively monitors voltage, current, and temperature to prevent overcharging, overcurrent, and short circuits. This robust protection ensures your battery maintains optimal health and performance over hundreds of charge cycles, providing peace of mind for daily commuting or rugged adventures.
Charging Convenience and Longevity
Charging your KirbEbike 72V 20Ah battery is both fast and hassle-free thanks to the included 5A charger that fully recharges the battery in just 4 to 5 hours. The charger supports wide input voltage (100-240V AC), making it compatible across different power sources in the UK and beyond.
The triangle battery’s compact design fits snugly within most bike frames, simplifying removal and charging. Plus, with a remarkable cycle life of up to 800 charges, you can expect years of reliable power without significant capacity loss.
A handy USB Type-C port lets you charge mobile devices on the go, adding an extra layer of convenience for long rides.
Comparison with Competitor Batteries
Compared to many competitor 72V ebike batteries, KirbEbike’s 20Ah lithium battery delivers unmatched value:
- Superior Cell Quality: Uses Samsung 21700 50S cells, while many competitors rely on lower-quality or generic cells that heat up faster and degrade sooner.
- Higher Continuous Discharge: Our 60A BMS supports more sustained power output, ideal for powerful motors up to 5000W.
- Faster Charging: The 5A charger outperforms typical 2A-3A chargers common in other brands, reducing downtime.
- Built-in Safety Features: Advanced BMS, stainless steel power switch, and battery indicator ensure safer operation compared to simpler battery packs.
- Longer Cycle Life: Rated for 800 full charge cycles versus many competitors’ 500-600, offering more usage before replacement is needed.
Who Should Choose the KirbEbike 72V 20Ah Battery?
The KirbEbike 72V 20Ah lithium battery is perfect for riders who demand maximum power, extended range, and reliable performance from their ebike setup. It’s ideal if you:
- Own or plan to upgrade to a high-performance 3000W, 4000W, or 5000W ebike kit.
- Need a battery that delivers consistent power for long commutes or off-road adventures.
- Value fast charging and a compact design that fits easily on most bike frames.
- I want peace of mind with advanced safety features and durable Samsung cells.
- Are looking for a battery that supports multiple power levels with a robust BMS for safer rides.
Frequently Asked Questions
Is the KirbEbike 72V 20Ah battery compatible with all 72V ebike kits?
Yes, it’s designed to work seamlessly with KirbEbike’s 3000W, 4000W, and 5000W kits, providing reliable power and smooth performance.
How long does it take to fully charge the battery?
With the included 5A charger, a full charge takes about 4–5 hours.
What is the expected range on a single charge?
Depending on terrain, rider weight, and motor power, you can expect 70–120+ km per charge.
Can I charge my phone from the battery?
Yes, the battery features a built-in USB Type-C port for charging devices on the go.
How long will the battery last?
The battery is rated for up to 800 full charge cycles, meaning years of reliable use with proper care.
Power, Safety, and Value in One Package
The KirbEbike 72V 20Ah lithium battery stands out as a top-tier choice for riders seeking maximum power and reliability. Its use of premium Samsung cells, advanced safety systems, and fast-charging capabilities makes it a dependable powerhouse for ebikes ranging from 3000W to 5000W.
This battery not only delivers outstanding performance and long range but also prioritizes rider safety and convenience with thoughtful features like the stainless steel power switch and USB charging port.
For anyone looking to upgrade their ebike setup with a battery that combines raw power, smart technology, and durability, the KirbEbike 72V 20Ah lithium battery is an investment that pays off ride after ride.
