Samsung-cell eBike battery (36V, 48V, 52V)

Built with Genuine Samsung Cells + Smart BMS — Outlasts Your Ride

eBike Batteries for Sale & Replacement

Looking for a reliable eBike battery? Shop EM3ev eBike batteries for sale—high-performance stock & custom replacement packs built with genuine Samsung cells, smart BMS protection, and a 1-year warranty. Choose the right voltage for your ride: 36V commuter, 48V all-rounder, 52V performance, or 72V high power. Engineered to fit a wide range of electric bikes and electric bicycles, delivering safe, reliable power.
Need help choosing? Use the guide below or shop replacement eBike battery packs by voltage.

100% Genuine Samsung Cells Smart BMS with Cell-Level Protection Built for Bafang & CYC Motors Global Riders Since 2011

Choose Your eBike Battery Voltage

Looking for the best ebike battery for sale? Pick the voltage that matches your motor (36V, 48V, 52V or 72V). If you’re searching for a 72V ebike battery, jump to the 72V section below. Detailed specs are inside each category.

Built Around Genuine Samsung Cells

An eBike battery is more than just a box of cells. It’s a system of cell chemistry, current paths, thermal design and protection electronics. EM3ev packs are built with matched Samsung cells, cell-level fusing and a smart BMS tuned for real-world riding.

  • High power discharge: Stable voltage under load for strong acceleration and steep climbs.

  • Long cycle life: 800+ cycles while retaining most of the original capacity when operated correctly.

  • Smart BMS: Continuous monitoring of cell groups for balancing, temperature and fault protection.

  • Cell-level fusing: If a single cell fails abnormally, it’s isolated instead of compromising the whole pack.

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 52V Jumbo Shark eBike battery replacement Samsung 35E

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
$489.00
$589.00
Customer reviews
★★★★★ (142)
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Best Seller
52V Rhino 3P high power electric bike battery Samsung 50G for Bafang

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
$329.00
$459.00
Customer reviews
★★★★★ (186)
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Most popular with performance builds.

52V 52V King Shark 50E electric bike battery long range

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
$399.00
$489.00
Customer reviews
★★★★★ (132)
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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 48V King Shark electric bicycle battery for Bafang BBSHD 50E

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
$379.00
$499.00
Customer reviews
★★★★★ (203)
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48V 48V Super Shark ebike battery replacement Samsung 35E

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
$389.00
$499.00
Customer reviews
★★★★★ (157)
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48V 48V Jumbo Shark ebike battery high capacity Samsung 35E

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
$459.00
$589.00
Customer reviews
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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 36V King Shark electric bicycle battery for legal commuter builds

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
$319.00
$459.00
Customer reviews
★★★★★ (94)
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36V 36V Super Shark lightweight ebike battery Samsung 35E

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
$329.00
$489.00
Customer reviews
★★★★★ (67)
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36V 36V Super Shark 10S5P ebike battery for hilly towns

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
$379.00
$479.00
Customer reviews
★★★★★ (81)
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72V eBike Battery – High Discharge Power Pack

In Stock

Our 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 72v ebike battery high discharge pack

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
$449.00
Price varies by configuration
Customer reviews
★★★★★ (13)

Tip: A 72V ebike battery requires compatible controller settings (LVC/over-voltage limits) and the correct charger.

Replacement & Upgrades

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.

Get a Custom Battery Quote

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.

Rider Stories

“My first cheap pack sagged badly on hills after a few months. The EM3ev 52V pack still hits hard after two seasons, and the smart BMS gives me peace of mind.”

★★★★★

— Alex R., Canada

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