⚡ 52V 20Ah LG GRADE A M50LT E-Bike Downtube Battery

A high-quality and powerful 52V downtube battery manufactured using genuine LG M50LT Grade A 21700 cells. This compact battery definitely packs a punch and provides an excellent combination of power, capacity, quality and value for money.

With a maximum discharge capability of 50A and support for compatible systems peaking at approximately 2,500W, this battery is ideal for riders looking for strong performance from a clean and practical downtube design.

Powerful, compact and dependable:
52V Nominal • 58.8V Fully Charged • LG M50LT Cells • 50A Maximum Discharge • 4A Charger

52V 20Ah 1040Wh LG M50LT Cells Grade A 21700 50A Maximum Discharge Up to 2,500W Peak 58.8V 4A Charger XT60 Discharge Four-Slot Base 12-Month Warranty

💎 High-Quality LG Battery

This is a high-quality downtube battery manufactured using genuine LG M50LT Grade A 21700 lithium-ion cells. It has been designed to provide excellent reliability, strong performance and great value for money.

Despite its compact downtube design, this battery definitely packs a punch. It is capable of providing the discharge required by many powerful e-bike conversion systems while retaining a clean and practical frame-mounted appearance.

Genuine LG M50LT cells
Grade A 21700 cell construction
Strong and durable sealed battery casing
Compact downtube-mounted design
Maximum discharge capability of 50A
Suitable for compatible systems peaking at approximately 2,500W
Excellent quality and value for money
Supplied with a full 12-month warranty

🔋 Battery Specifications

Nominal Voltage: 52V
Fully Charged Voltage: 58.8V
Rated Capacity: 20Ah
Total Energy: Approximately 1040Wh
Cell Manufacturer: LG
Cell Model: LG M50LT
Cell Type: Grade A 21700 lithium-ion cells
Individual Cell Capacity: 5000mAh
Battery Configuration: 14S4P
Total Cell Count: 56 cells
Maximum Discharge: 50A
Supported Peak Power: Approximately 2,500W with a compatible controller
Main Discharge Connector: XT60
Charger: 58.8V 4A FAST charger with UK plug
Approximate Charging Time: 4-5 hours from empty
Dimensions: Approximately 365 × 90 × 125mm
Battery Style: Lockable and removable downtube battery

💪 50A Maximum Discharge

The battery is capable of providing a maximum discharge of 50A, making it suitable for many high-powered e-bike conversion systems.

Maximum discharge capability of 50A
Suitable for compatible high-powered controllers
Supports compatible systems peaking at approximately 2,500W
Provides strong acceleration and dependable power delivery
Excellent balance of power, capacity and compact size

⚠️ Controller Compatibility:

Please confirm that your controller does not require more than the battery’s maximum discharge capability. Compatibility must be determined using the controller’s maximum battery current, voltage and connector type—not motor wattage alone.

🚀 Up to Approximately 2,500W Peak Power

When paired with a suitable controller and motor, the battery can support systems peaking at approximately 2,500W.

Designed for powerful 52V conversion systems
Strong discharge capability for improved acceleration
Suitable for compatible hub-motor and mid-drive systems
Ideal for riders looking for a battery that definitely packs a punch

Actual power depends on the controller current, motor, display settings, battery charge level and riding conditions.

🔌 XT60 Discharge Connection

The battery uses a reliable XT60 main discharge connection for connection to a compatible e-bike controller.

XT60 main discharge connector
Suitable for compatible XT60 controller connections
Secure and dependable electrical connection
Commonly used across many e-bike conversion systems

Always check the connector type and polarity before connecting the battery. Incorrect polarity can cause immediate damage to the battery, controller or electrical system.

🔌 58.8V 4A Fast Charger

A 58.8V 4A charger with a UK plug is included. This provides faster charging than many standard 2A or 3A battery chargers.

Correct 58.8V charging voltage for a 52V lithium-ion battery
Fast 4A charging current
UK mains plug included
Approximate charging time of 5–6 hours from empty
Designed specifically for the supplied 52V battery

🧩 Adjustable Four-Slot Battery Base

The battery is supplied with an improved four-slot mounting base, providing greater adjustment and fitting flexibility than many standard battery bases.

Four adjustable mounting slots
Provides greater movement when aligning the mounting base
Designed to work with a wider range of bottle-cage mounting positions
Suitable for many frames with high or low bottle-cage mounting holes
Helps make installation easier across different bicycle frame designs
Lockable and removable battery system

⚠️ Frame Fitment:

Please check the battery dimensions and available space inside your bicycle frame before ordering. Although the four-slot base provides greater adjustment, we cannot guarantee that the battery will fit every bicycle frame.

🚲 Suitable Applications

This battery is suitable for a wide variety of compatible 52V e-bike conversion kits and custom electric bicycle builds.

Suitable for compatible 52V conversion systems
Supports compatible systems peaking at approximately 2,500W
Suitable for controllers requiring no more than the battery’s maximum discharge capability
Suitable for compatible rear-hub, front-hub and mid-drive systems
Suitable for many mountain bikes, hybrid bikes and custom builds
Compact design suitable for many medium-sized bicycle frames

Please confirm the voltage, controller current, connector type, polarity, battery dimensions and available frame space before ordering.

📦 What’s Included

1 × 52V 20Ah LG M50LT downtube battery
1 × Adjustable four-slot battery mounting base
1 × XT60 discharge connection
1 × 58.8V 4A charger with UK plug
1 × User manual
2 × Battery locking keys

🛡️ Certification & Approval

MSDS certified
EU approved
UKCA approved
Manufactured using Grade A LG cells
Sealed lithium-ion battery pack

💳 Payment Options

Pay securely using PayPal
Klarna interest-free payment options may be available
Secure online checkout

🤝 12-Month Battery Warranty

This battery includes a 12-month warranty for additional peace of mind.

12-month battery warranty included
All approved warranty repairs are handled by us
Warranty does not cover abuse, accidental damage or misuse
Warranty does not cover water ingress
Removing or replacing connectors without authorisation may void the warranty
Removing identification labels may void the warranty
Unauthorised modifications or opening the battery casing will void the warranty
The buyer is responsible for returning the battery for inspection

⚠️ Lithium Battery Safety

Only use the correct 58.8V charger supplied or approved for this battery
Never leave a lithium battery charging unattended
Charge the battery on a stable and non-flammable surface
Do not charge or use a battery that is damaged, swollen or leaking
Do not expose the battery to deep water, pressure washing or prolonged heavy rain
Do not open, puncture, crush or modify the battery casing
Always check connector polarity before installation
Store the battery safely away from extreme heat and direct sunlight

⚡ Legal Information

The purchaser is responsible for ensuring that the battery and completed bicycle are installed, configured and used in accordance with all applicable local e-bike laws and regulations.

🏪 E Bike Power UK®

We stock a wide range of DIY e-bike conversion kits, batteries, displays, controllers, throttles, torque arms, tools and installation accessories.

Please view our other products for compatible conversion components, replacement parts and upgrades.

🚚 Shipping

Fully tested and inspected before dispatch
Orders dispatched Monday to Friday
Tracked delivery service
Carriers may include Royal Mail, DPD, Yodel or FedEx
Lithium batteries are packed and shipped in accordance with carrier requirements

↩️ Returns

30-day return policy
Battery must be unused, complete and in its original condition
All accessories, keys, charger and mounting components must be returned
Returned batteries are inspected before a refund is processed

🤝 Need Help?

If you have any questions about voltage, controller compatibility, connectors, polarity, battery dimensions or frame fitment, please message us before ordering and we will be happy to help.