52V eBike Battery for Maximum Performance
Choose a 52V eBike battery if you want the crispest throttle response and strongest hill-climbing on a compatible controller. These 52V electric bike batteries are popular with Bafang BBSHD, Ultra and high-power hub builds, and are ideal when you want a performance-focused eBike battery upgrade. In other words, a 52V electric bike battery is ideal when your system supports it and you want sharper response without jumping to 72V.
52V Jumbo Shark 14S5P – Samsung 35E
Compact case with excellent range. Ideal for spirited commuting and mixed terrain.
- Capacity: 17Ah (~884Wh)
- Cells: Samsung 18650-35E
- Use: Long-range street & light off-road
52V Rhino 3P – Samsung 50GB
Rectangle pack with high continuous current and robust mounting options for custom frames.
- Capacity: 15Ah (~780Wh)
- Cells: Samsung 21700-50GB
- Use: High-power mid-drive or hub builds
52V King Shark 14S4P – Samsung 50GB
Larger capacity in a familiar shark-style case for maximum range and strong sustained power.
- Capacity: 20Ah (~1040Wh)
- Cells: Samsung 21700-50GB
- Use: Touring, long-distance trail riding
48V eBike Battery for Everyday Riders
48V is the most popular “all‑rounder” voltage for modern eBike kits. It balances torque, efficiency, and component availability — making it a great match for 500–1000W hub or mid‑drive systems and everyday commuting with occasional hills. If you're searching for a 48 volt ebike battery (also called a 48V electric bike battery), this is the most common upgrade choice for everyday riders because it fits a huge range of motors, controllers, and chargers.
48V King Shark 13S4P – Samsung 50GB
Versatile 20Ah pack with great balance of range, weight and current capability.
- Capacity: 20Ah (~960Wh)
- Best for: daily use, mixed surfaces
48V Super Shark 13S4P – Samsung 35E
Slightly lighter pack for riders who prioritize nimble handling with solid range.
- Capacity: 17Ah (~816Wh)
- Best for: touring, moderate power builds
48V Jumbo Shark 13S5P – Samsung 35E
High-load-capable pack for heavier bikes or cargo builds that demand reliability.
- Capacity: 17Ah (~816Wh)
- Best for: cargo, high-load commuting
36V eBike Battery for Commuters & Regulations
Many regions limit nominal motor power around 250–500W. A 36V eBike battery with the right cell choice is perfect for these legal builds and efficient daily commuting. If you’re looking for an ebike battery 36v (often searched as ebike 36v battery or electric bike battery 36v), choose 36V when your controller and motor are rated for it and you want smooth, efficient assistance.
36V King Shark 10S4P – Samsung 50GB
High-capacity commuter pack for riders who want to charge less and ride more.
- Capacity: 20Ah (~720Wh)
- Use: efficient commuting, flatter terrain
36V Super Shark 10S4P – Samsung 35E
Lighter-weight 13.5Ah pack for shorter commutes and riders who carry their bikes often.
- Capacity: 13.5Ah (~486Wh)
- Use: city, urban mixed transport
36V Super Shark 10S5P – Samsung 35E
17Ah pack that stretches your daily range while staying within typical EU-style limits.
- Capacity: 17Ah (~612Wh)
- Use: utility, city cargo, hilly towns
72V eBike Battery – High Discharge Power Pack
In StockOur 72v ebike battery (also searched as 72 volt ebike battery) is built for extreme high-power builds—CYC X2, Bafang Ultra, and custom high-current controllers. A 72V pack charges to about 84V, so compatibility matters. High-discharge cells, smart BMS protection, and a rugged case help deliver stable voltage under load.
72V eBike Battery 15Ah (1080Wh) – Samsung 21700 High‑Discharge (Bluetooth Smart BMS)
Designed for riders who need maximum power delivery. Confirm controller and motor voltage compatibility before ordering a 72V pack.
- Capacity 15Ah (1080Wh)
- Cells Samsung 21700 (High Discharge)
- BMS Smart BMS + Cell Balancing + Bluetooth
- Discharge 75A max continuous discharge
- Use Case Extreme power builds
Tip: A 72V ebike battery requires compatible controller settings (LVC/over-voltage limits) and the correct charger.
eBike Battery Replacement & Upgrades
Every EM3ev replacement eBike battery uses high-quality lithium cells with a smart BMS for safety and long life. If your original pack is fading, our replacement batteries for electric bikes are designed as high-quality upgrades rather than simple substitutes. Many riders search for a battery for electric bike or ebike battery replacement when their stock pack no longer holds a charge. EM3ev eBike batteries use genuine Samsung cells, smart BMS protection and robust cases for real-world riding.
Drop-in replacement options
Tell us about your existing motor, controller and frame space, and we can suggest a replacement ebike battery that fits as closely as possible while increasing range and performance.
36V, 48V, 52V & 72V electric bike battery
From legal 36V commuter builds to powerful 48V and 52V systems (and 72V for extreme builds), our electric bike battery range covers most common eBike kits and factory electric bicycles.
Upgrade, not just replace
By moving to an EM3ev pack, your electric bicycle battery replacement can mean higher capacity, lower voltage sag and longer life compared with many OEM packs.
Looking for a Custom eBike Battery?
We support custom eBike battery development primarily for business customers and commercial applications. Our engineering team can design, test, and assemble lithium battery solutions tailored to specific frame, motor, voltage, and range requirements.
For individual customers, we typically recommend our existing product range first. If you have a special requirement, our team can review your request based on project scope and feasibility.
eBike Battery Buying Guide
Not sure where to start? This eBike battery buying guide explains the essentials. Voltage controls your speed/torque, while Capacity (Ah/Wh) dictates your range.
Choosing the right replacement battery for your electric bike is crucial. A well-matched pack will optimize your motor's performance and ensure safety.
Frequently Asked Questions
Still have questions about compatibility, charging or lifespan? Expand the FAQs below or contact the EM3ev support team for help with a specific build.